include::../docbook/attributes.adoc[] = tshark(1) :doctype: manpage :stylesheet: ws.css :linkcss: :copycss: ../docbook/{stylesheet} == NAME tshark - Dump and analyze network traffic == SYNOPSIS [manarg] *tshark* [ *-i* |- ] [ *-f* ] [ *-2* ] [ *-r* ] [ *-w* |- ] [ *options* ] [ ] [manarg] *tshark* *-G* [ ] [ --elastic-mapping-filter ] [manarg] *tshark* *-h|--help* [manarg] *tshark* *-v|--version* == DESCRIPTION *TShark* is a network protocol analyzer. It lets you capture packet data from a live network, or read packets from a previously saved capture file, either printing a decoded form of those packets to the standard output or writing the packets to a file. *TShark*'s native capture file format is *pcapng* format, which is also the format used by *Wireshark* and various other tools. Without any options set, *TShark* will work much like *tcpdump*. It will use the pcap library to capture traffic from the first available network interface and displays a summary line on the standard output for each received packet. When run with the *-r* option, specifying a capture file from which to read, *TShark* will again work much like *tcpdump*, reading packets from the file and displaying a summary line on the standard output for each packet read. *TShark* is able to detect, read and write the same capture files that are supported by *Wireshark*. The input file doesn't need a specific filename extension; the file format and an optional gzip, zstd or lz4 compression will be automatically detected. Near the beginning of the DESCRIPTION section of xref:wireshark.html[wireshark](1) or https://www.wireshark.org/docs/man-pages/wireshark.html is a detailed description of the way *Wireshark* handles this, which is the same way *TShark* handles this. Compressed file support uses (and therefore requires) the zlib library. If the zlib library is not present when compiling *TShark*, it will be possible to compile it, but the resulting program will be unable to read compressed files. When displaying packets on the standard output, *TShark* writes, by default, a summary line containing the fields specified by the preferences file (which are also the fields displayed in the packet list pane in *Wireshark*), although if it's writing packets as it captures them, rather than writing packets from a saved capture file, it won't show the "frame number" field. If the *-V* option is specified, it instead writes a view of the details of the packet, showing all the fields of all protocols in the packet. If the *-O* option is specified, it will only show the full details for the protocols specified, and show only the top-level detail line for all other protocols. Use the output of "*tshark -G protocols*" to find the abbreviations of the protocols you can specify. If the *-P* option is specified with either the *-V* or *-O* options, both the summary line for the entire packet and the details will be displayed. Packet capturing is performed with the pcap library. That library supports specifying a filter expression; packets that don't match that filter are discarded. The *-f* option is used to specify a capture filter. The syntax of a capture filter is defined by the pcap library; this syntax is different from the display filter syntax described below, and the filtering mechanism is limited in its abilities. Display filters in *TShark*, which allow you to select which packets are to be decoded or written to a file, are very powerful; more fields are filterable in *TShark* than in other protocol analyzers, and the syntax you can use to create your filters is richer. As *TShark* progresses, expect more and more protocol fields to be allowed in display filters. Display filters use the same syntax as display and color filters in *Wireshark*; a display filter is specified with the *-Y* option. Display filters can be specified when capturing or when reading from a capture file. Note that capture filters are much more efficient than display filters, and it may be more difficult for *TShark* to keep up with a busy network if a display filter is specified for a live capture, so you might be more likely to lose packets if you're using a display filter. A capture or display filter can either be specified with the *-f* or *-Y* option, respectively, in which case the entire filter expression must be specified as a single argument (which means that if it contains spaces, it must be quoted), or can be specified with command-line arguments after the option arguments, in which case all the arguments after the filter arguments are treated as a filter expression. If the filter is specified with command-line arguments after the option arguments, it's a capture filter if a capture is being done (i.e., if no *-r* option was specified) and a display filter if a capture file is being read (i.e., if a *-r* option was specified). If the *-w* option is specified when capturing packets or reading from a capture file, *TShark* does not display packets on the standard output. Instead, it writes the packets to a capture file with the name specified by the *-w* option. Note that display filters are currently not supported when capturing and saving the captured packets. If you want to write the decoded form of packets to a file, run *TShark* without the *-w* option, and redirect its standard output to the file (do __not__ use the *-w* option). If you want the packets to be displayed to the standard output and also saved to a file, specify the *-P* option in addition to the *-w* option to have the summary line displayed, specify the *-V* option in addition to the *-w* option to have the details of the packet displayed, and specify the *-O* option, with a list of protocols, to have the full details of the specified protocols and the top-level detail line for all other protocols to be displayed. If the *-P* option is used together with the *-V* or *-O* option, the summary line will be displayed along with the detail lines. When writing packets to a file, *TShark*, by default, writes the file in *pcapng* format, and writes all of the packets it sees to the output file. The *-F* option can be used to specify the format in which to write the file. This list of available file formats is displayed by the *-F* option without a value. However, you can't specify a file format for a live capture. When capturing packets, *TShark* writes to the standard error an initial line listing the interfaces from which packets are being captured and, if packet information isn't being displayed to the terminal, writes a continuous count of packets captured to the standard output. If the *-q* option is specified, neither the continuous count nor the packet information will be displayed; instead, at the end of the capture, a count of packets captured will be displayed. If the *-Q* option is specified, neither the initial line, nor the packet information, nor any packet counts will be displayed. If the *-q* or *-Q* option is used, the *-P*, *-V*, or *-O* option can be used to cause the corresponding output to be displayed even though other output is suppressed. When reading packets, the *-q* and *-Q* option will suppress the display of the packet summary or details; this would be used if *-z* options are specified in order to display statistics, so that only the statistics, not the packet information, is displayed. The *-G* option is a special mode that simply causes *TShark* to dump one of several types of internal glossaries and then exit. == OPTIONS -2:: + -- Perform a two-pass analysis. This causes *TShark* to buffer output until the entire first pass is done, but allows it to fill in fields that require future knowledge, such as 'response in frame #' fields. Also permits reassembly frame dependencies to be calculated correctly. -- -a|--autostop :: + -- Specify a criterion that specifies when *TShark* is to stop writing to a capture file. The criterion is of the form __test:value__, where __test__ is one of: *duration*:__value__ Stop writing to a capture file after __value__ seconds have elapsed. Floating point values (e.g. 0.5) are allowed. *files*:__value__ Stop writing to capture files after __value__ number of files were written. *filesize*:__value__ Stop writing to a capture file after it reaches a size of __value__ kB. If this option is used together with the *-b* option, *TShark* will stop writing to the current capture file and switch to the next one if filesize is reached. When reading a capture file, *TShark* will stop reading the file after the number of bytes read exceeds this number (the complete packet will be read, so more bytes than this number may be read). Note that the filesize is limited to a maximum value of 2 GiB. *packets*:__value__ switch to the next file after it contains __value__ packets. This does not include any packets that do not pass the display filter, so it may differ from *-c*. -- -A ::: + -- Specify a user and a password when *TShark* captures from a rpcap:// interface where authentication is required. This option is available with libpcap with enabled remote support. -- -b|--ring-buffer :: + -- Cause *TShark* to run in "multiple files" mode. In "multiple files" mode, *TShark* will write to several capture files. When the first capture file fills up, *TShark* will switch writing to the next file and so on. The created filenames are based on the filename given with the *-w* option, the number of the file and on the creation date and time, e.g. outfile_00001_20240714120117.pcap, outfile_00002_20240714120523.pcap, ... With the __files__ option it's also possible to form a "ring buffer". This will fill up new files until the number of files specified, at which point *TShark* will discard the data in the first file and start writing to that file and so on. If the __files__ option is not set, new files filled up until one of the capture stop conditions match (or until the disk is full). The criterion is of the form __key:value__, where __key__ is one of: *duration*:__value__ switch to the next file after __value__ seconds have elapsed, even if the current file is not completely filled up. Floating point values (e.g. 0.5) are allowed. *files*:__value__ begin again with the first file after __value__ number of files were written (form a ring buffer). This value must be less than 100000. Caution should be used when using large numbers of files: some filesystems do not handle many files in a single directory well. The *files* criterion requires either *duration*, *interval* or *filesize* to be specified to control when to go to the next file. It should be noted that each *-b* parameter takes exactly one criterion; to specify two criterion, each must be preceded by the *-b* option. *filesize*:__value__ switch to the next file after it reaches a size of __value__ kB. Note that the filesize is limited to a maximum value of 2 GiB. *interval*:__value__ switch to the next file when the time is an exact multiple of __value__ seconds. For example, use 3600 to switch to a new file every hour on the hour. *packets*:__value__ switch to the next file after it contains __value__ packets. *nametimenum*:__value__ Choose between two save filename templates. If __value__ is 1, make running file number part before start time part; this is the original and default behaviour (e.g. log_00001_20240714164426.pcap). If __value__ is greater than 1, make start time part before running number part (e.g. log_20210828164426_00001.pcap). The latter makes alphabetical sorting order equal to creation time order, and keeps related multiple file sets in same directory close to each other. Example: *tshark -b filesize:1000 -b files:5* results in a ring buffer of five files of size one megabyte each. -- -B|--buffer-size :: + -- Set capture buffer size (in MiB, default is 2 MiB). This is used by the capture driver to buffer packet data until that data can be written to disk. If you encounter packet drops while capturing, try to increase this size. Note that, while *TShark* attempts to set the buffer size to 2 MiB by default, and can be told to set it to a larger value, the system or interface on which you're capturing might silently limit the capture buffer size to a lower value or raise it to a higher value. This is available on UNIX-compatible systems, such as Linux, macOS, \*BSD, Solaris, and AIX, with libpcap 1.0.0 or later, and on Windows. It is not available on UNIX-compatible systems with earlier versions of libpcap. This option can occur multiple times. If used before the first occurrence of the *-i* option, it sets the default capture buffer size. If used after an *-i* option, it sets the capture buffer size for the interface specified by the last *-i* option occurring before this option. If the capture buffer size is not set specifically, the default capture buffer size is used instead. -- -c :: + -- Set the maximum number of packets to read when capturing live data. If reading a capture file, set the maximum number of packets to read. This includes any packets that do not pass the display filter, so it may differ from *-a packets:*. -- -C :: + -- Run with the given configuration profile. -- -D|--list-interfaces:: + -- Print a list of the interfaces on which *TShark* can capture, and exit. For each network interface, a number and an interface name, possibly followed by a text description of the interface, is printed. The interface name or the number can be supplied to the *-i* flag to specify an interface on which to capture. The number can be useful on Windows systems, where the interfaces have long names that usually contain a GUID. -- -e :: + -- Add a field to the list of fields to display if *-T ek|fields|json|pdml* is selected. This option can be used multiple times on the command line. At least one field must be provided if the *-T fields* option is selected. Column types may be used prefixed with "_ws.col." Example: *tshark -e frame.number -e ip.addr -e udp -e _ws.col.info* Fields are separated by tab characters by default. *-E* controls the format of the printed fields. Giving a protocol rather than a single field will print the protocol summary (subtree label) from the packet details as a single field. If the protocol summary contains only the protocol name (e.g. "Hypertext Transfer Protocol") then the protocol filter name ("http") will be printed. -- -E :: + -- Set an option controlling the printing of fields when *-T fields* is selected. Options are: *bom=y|n* If *y*, prepend output with the UTF-8 byte order mark (hexadecimal ef, bb, bf). Defaults to *n*. *header=y|n* If *y*, print a list of the field names given using *-e* as the first line of the output; the field name will be separated using the same character as the field values. Defaults to *n*. *separator=/t|/s|* Set the separator character to use for fields. If */t* tab will be used (this is the default), if */s*, a single space will be used. Otherwise any character that can be accepted by the command line as part of the option may be used. *occurrence=f|l|a* Select which occurrence to use for fields that have multiple occurrences. If *f* the first occurrence will be used, if *l* the last occurrence will be used and if *a* all occurrences will be used (this is the default). *aggregator=,|/s|* Set the aggregator character to use for fields that have multiple occurrences. If *,* a comma will be used (this is the default), if */s*, a single space will be used. Otherwise any character that can be accepted by the command line as part of the option may be used. *quote=d|s|n* Set the quote character to use to surround fields. *d* uses double-quotes, *s* single-quotes, *n* no quotes (the default). *escape=y|n* If *y*, the whitespace control characters (tab, line feed, carriage return, form feed, and vertical tab) and backspace will be replaced in field values by C-style escapes, e.g. "\n" for line feed. If *n*, field value strings will be printed as-is. Defaults to *y*. -- -f :: + -- Set the capture filter expression. This option can occur multiple times. If used before the first occurrence of the *-i* option, it sets the default capture filter expression. If used after an *-i* option, it sets the capture filter expression for the interface specified by the last *-i* option occurring before this option. If the capture filter expression is not set specifically, the default capture filter expression is used if provided. Pre-defined capture filter names, as shown in the GUI menu item Capture->Capture Filters, can be used by prefixing the argument with "predef:". Example: *tshark -f "predef:MyPredefinedHostOnlyFilter"* -- -F :: Set the file format of the output capture file written using the *-w* option. The output written with the *-w* option is raw packet data, not text, so there is no *-F* option to request text output. The option *-F* without a value will list the available formats. -g:: This option causes the output file(s) to be created with group-read permission (meaning that the output file(s) can be read by other members of the calling user's group). -G [ ]:: + -- The *-G* option will cause *TShark* to dump one of several types of glossaries and then exit. If no specific glossary type is specified, then the *fields* report will be generated by default. Using the report type of *help* lists all the current report types. The available report types include: *column-formats* Dumps the column formats understood by *TShark*. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: format string (e.g. "%rD") Field 2:: text description of format string (e.g. "Dest port (resolved)") *currentprefs* Dumps a copy of the current preferences file to stdout. *decodes* Dumps the "layer type"/"decode as" associations to stdout. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: layer type, e.g. "tcp.port" Field 2:: selector in decimal Field 3:: "decode as" name, e.g. "http" *defaultprefs* Dumps a default preferences file to stdout. *dissectors* Dumps a list of registered dissectors to stdout. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: dissector name Field 2:: dissector description *dissector-tables* Dumps a list of dissector tables to stdout. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: dissector table name, e.g. "tcp.port" Field 2:: name used for the dissector table in the GUI Field 3:: type (textual representation of the ftenum type) Field 4:: base for display (for integer types) Field 5:: protocol name Field 6:: "decode as" support *elastic-mapping* Dumps the ElasticSearch mapping file to stdout. Fields falling in the default case (string) won't be mapped. *enterprises* Dumps the IANA Private Enterprise Number (PEN) table. *fieldcount* Dumps the number of header fields to stdout. *fields* Dumps the contents of the registration database to stdout. An independent program can take this output and format it into nice tables or HTML or whatever. There is one record per line. Each record is either a protocol or a header field, differentiated by the first field. The fields are tab-delimited. .Protocols [horizontal] Field 1:: 'P' Field 2:: descriptive protocol name Field 3:: protocol abbreviation .Header Fields [horizontal] Field 1:: 'F' Field 2:: descriptive field name Field 3:: field abbreviation Field 4:: type (textual representation of the ftenum type) Field 5:: parent protocol abbreviation Field 6:: base for display (for integer types); "parent bitfield width" for FT_BOOLEAN Field 7:: bitmask: format: hex: 0x.... Field 8:: blurb describing field An optional search prefix argument can be given to *fields*, in which case the output is limited to protocols and fields whose abbreviation starts with the search prefix. .Search Output [horizontal] Field 1:: protocol or field abbreviation Field 2:: descriptive protocol or field name *folders* Dumps various folders used by *TShark*. This is essentially the same data reported in Wireshark's About | Folders tab. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: Folder type (e.g "Personal configuration:") Field 2:: Folder location (e.g. "/home/vagrant/.config/wireshark/") *ftypes* Dumps the "ftypes" (fundamental types) understood by *TShark*. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: FTYPE (e.g "FT_IPv6") Field 2:: text description of type (e.g. "IPv6 address") *heuristic-decodes* Dumps the heuristic decodes currently installed. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: underlying dissector (e.g. "tcp") Field 2:: name of heuristic decoder (e.g. "ucp") Field 3:: heuristic enabled (e.g. "T" or "F") Field 4:: heuristic enabled by default (e.g. "T" or "F") Field 5:: heuristic short name (e.g. "ucp_tcp") Field 6:: heuristic display name (e.g. "UCP over TCP") *help* Displays the available report types. *manuf* Dumps the MAC address lookup table in `manuf` format. *plugins* Dumps the plugins currently installed. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: plugin library/Lua script/extcap executable (e.g. "gryphon.so") Field 2:: plugin version (e.g. 0.0.4) Field 3:: plugin type ("dissector", "tap", "file type", etc.) Field 4:: full path to plugin file *protocols* Dumps the protocols in the registration database to stdout. An independent program can take this output and format it into nice tables or HTML or whatever. There is one record per line. The fields are tab-delimited. [horizontal] Field 1:: protocol name Field 2:: protocol short name Field 3:: protocol filter name Field 4:: protocol enabled (e.g. "T" or "F") Field 5:: protocol enabled by default (e.g. "T" or "F") Field 6:: protocol can toggle (e.g. "T" or "F") *services* Dumps the TCP, UDP, and SCTP transport service (port) table. *values* Dumps the value_strings, range_strings or true/false strings for fields that have them. There is one record per line. Fields are tab-delimited. There are three types of records: Value String, Range String and True/False String. The first field, 'V', 'R' or 'T', indicates the type of record. .Value Strings [horizontal] Field 1:: 'V' Field 2:: field abbreviation to which this value string corresponds Field 3:: Integer value Field 4:: String .Range Strings [horizontal] Field 1:: 'R' Field 2:: field abbreviation to which this range string corresponds Field 3:: Integer value: lower bound Field 4:: Integer value: upper bound Field 5:: String .True/False Strings [horizontal] Field 1:: 'T' Field 2:: field abbreviation to which this true/false string corresponds Field 3:: True String Field 4:: False String -- -h|--help:: Print the version number and options and exit. -H :: + -- Read a list of entries from a "hosts" file, which will then be written to a capture file. Implies *-W n*. Can be called multiple times. The "hosts" file format is documented at https://en.wikipedia.org/wiki/Hosts_(file). -- -i|--interface | -:: + -- Set the name of the network interface or pipe to use for live packet capture. Network interface names should match one of the names listed in "*tshark -D*" (described above); a number, as reported by "*tshark -D*", can also be used. If no interface is specified, *TShark* searches the list of interfaces, choosing the first non-loopback interface if there are any non-loopback interfaces, and choosing the first loopback interface if there are no non-loopback interfaces. If there are no interfaces at all, *TShark* reports an error and doesn't start the capture. Pipe names should be either the name of a FIFO (named pipe) or "-" to read data from the standard input. On Windows systems, pipe names must be of the form +"\\.\pipe\+*pipename*". Data read from pipes must be in standard pcapng or pcap format. Pcapng data must have the same endianness as the capturing host. "TCP@:" causes *TShark* to attempt to connect to the specified port on the specified host and read pcapng or pcap data. This option can occur multiple times. When capturing from multiple interfaces, the capture file will be saved in pcapng format. -- -I|--monitor-mode:: + -- Put the interface in "monitor mode"; this is supported only on IEEE 802.11 Wi-Fi interfaces, and supported only on some operating systems. Note that in monitor mode the adapter might disassociate from the network with which it's associated, so that you will not be able to use any wireless networks with that adapter. This could prevent accessing files on a network server, or resolving host names or network addresses, if you are capturing in monitor mode and are not connected to another network with another adapter. This option can occur multiple times. If used before the first occurrence of the *-i* option, it enables the monitor mode for all interfaces. If used after an *-i* option, it enables the monitor mode for the interface specified by the last *-i* option occurring before this option. -- -j :: + -- Protocol match filter used for ek|json|jsonraw|pdml output file types. Only the protocol's parent node is included. Child nodes are only included if explicitly specified in the filter. Example: *tshark -j "ip ip.flags http"* -- -J :: + -- Protocol top level filter used for ek|json|jsonraw|pdml output file types. The protocol's parent node and all child nodes are included. Lower-level protocols must be explicitly specified in the filter. Example: *tshark -J "tcp http"* -- -l:: + -- Flush the standard output after the information for each packet is printed. (This is not, strictly speaking, line-buffered if *-V* was specified; however, it is the same as line-buffered if *-V* wasn't specified, as only one line is printed for each packet, and, as *-l* is normally used when piping a live capture to a program or script, so that output for a packet shows up as soon as the packet is seen and dissected, it should work just as well as true line-buffering. We do this as a workaround for a deficiency in the Microsoft Visual C++ C library.) This may be useful when piping the output of *TShark* to another program, as it means that the program to which the output is piped will see the dissected data for a packet as soon as *TShark* sees the packet and generates that output, rather than seeing it only when the standard output buffer containing that data fills up. -- -L|--list-data-link-types:: List the data link types supported by the interface and exit. The reported link types can be used for the *-y* option. -o ::: + -- Set a preference value, overriding the default value and any value read from a preference file. The argument to the option is a string of the form __prefname:value__, where __prefname__ is the name of the preference (which is the same name that would appear in the preference file), and __value__ is the value to which it should be set. -- -O :: + -- Similar to the *-V* option, but causes *TShark* to only show a detailed view of the comma-separated list of __protocols__ specified, and show only the top-level detail line for all other protocols, rather than a detailed view of all protocols. Use the output of "*tshark -G protocols*" to find the abbreviations of the protocols you can specify. -- -p|--no-promiscuous-mode:: + -- __Don't__ put the interface into promiscuous mode. Note that the interface might be in promiscuous mode for some other reason; hence, *-p* cannot be used to ensure that the only traffic that is captured is traffic sent to or from the machine on which *TShark* is running, broadcast traffic, and multicast traffic to addresses received by that machine. This option can occur multiple times. If used before the first occurrence of the *-i* option, no interface will be put into the promiscuous mode. If used after an *-i* option, the interface specified by the last *-i* option occurring before this option will not be put into the promiscuous mode. -- -P|--print:: + -- Decode and display the packet summary or details, even if writing raw packet data using the *-w* option, and even if packet output is otherwise suppressed with *-Q*. -- -q:: + -- When capturing packets, don't display the continuous count of packets captured that is normally shown when saving a capture to a file; instead, just display, at the end of the capture, a count of packets captured. On systems that support the SIGINFO signal, such as various BSDs, you can cause the current count to be displayed by typing your "status" character (typically control-T, although it might be set to "disabled" by default on at least some BSDs, so you'd have to explicitly set it to use it). When reading a capture file, or when capturing and not saving to a file, don't print packet information; this is useful if you're using a *-z* option to calculate statistics and don't want the packet information printed, just the statistics. -- -Q:: + -- When capturing packets, don't display, on the standard error, the initial message indicating on which interfaces the capture is being done, the continuous count of packets captured shown when saving a capture to a file, and the final message giving the count of packets captured. Only true errors are displayed on the standard error. This outputs less than the *-q* option, so the interface name and total packet count and the end of a capture are not sent to stderr. When reading a capture file, or when capturing and not saving to a file, don't print packet information; this is useful if you're using a *-z* option to calculate statistics and don't want the packet information printed, just the statistics. -- -r|--read-file :: + -- Read packet data from __infile__, can be any supported capture file format (including gzipped files). It is possible to use named pipes or stdin (-) here but only with certain (not compressed) capture file formats (in particular: those that can be read without seeking backwards). -- -R|--read-filter :: + -- Cause the specified filter (which uses the syntax of read/display filters, rather than that of capture filters) to be applied during the first pass of analysis. Packets not matching the filter are not considered for future passes. Only makes sense with multiple passes, see *-2*. For regular filtering on single-pass dissect see *-Y* instead. Note that forward-looking fields such as 'response in frame #' cannot be used with this filter, since they will not have been calculated when this filter is applied. -- -s|--snapshot-length :: + -- Set the default snapshot length to use when capturing live data. No more than __snaplen__ bytes of each network packet will be read into memory, or saved to disk. A value of 0 specifies a snapshot length of 262144, so that the full packet is captured; this is the default. This option can occur multiple times. If used before the first occurrence of the *-i* option, it sets the default snapshot length. If used after an *-i* option, it sets the snapshot length for the interface specified by the last *-i* option occurring before this option. If the snapshot length is not set specifically, the default snapshot length is used if provided. -- -S :: Set the line separator to be printed between packets. -T ek|fields|json|jsonraw|pdml|ps|psml|tabs|text:: + -- Set the format of the output when viewing decoded packet data. The options are one of: *ek* Newline delimited JSON format for bulk import into Elasticsearch. It can be used with *-j* or *-J* to specify which protocols to include or with *-x* to include raw hex-encoded packet data. If *-P* is specified it will print the packet summary only, with both *-P* and *-V* it will print the packet summary and packet details. If neither *-P* or *-V* are used it will print the packet details only. Example of usage to import data into Elasticsearch: tshark -T ek -j "http tcp ip" -P -V -x -r file.pcap > file.json curl -H "Content-Type: application/x-ndjson" -XPOST http://elasticsearch:9200/_bulk --data-binary "@file.json" Elastic requires a mapping file to be loaded as template for packets-* index in order to convert Wireshark types to elastic types. This file can be auto-generated with the command "tshark -G elastic-mapping". Since the mapping file can be huge, protocols can be selected by using the option --elastic-mapping-filter: tshark -G elastic-mapping --elastic-mapping-filter ip,udp,dns *fields* The values of fields specified with the *-e* option, in a form specified by the *-E* option. For example, tshark -T fields -E separator=, -E quote=d would generate comma-separated values (CSV) output suitable for importing into your favorite spreadsheet program. *json* JSON file format. It can be used with *-j* or *-J* to specify which protocols to include or with *-x* option to include raw hex-encoded packet data. Example of usage: tshark -T json -r file.pcap tshark -T json -j "http tcp ip" -x -r file.pcap *jsonraw* JSON file format including only raw hex-encoded packet data. It can be used with *-j* or *-J* to specify which protocols to include. Example of usage: tshark -T jsonraw -r file.pcap tshark -T jsonraw -j "http tcp ip" -x -r file.pcap *pdml* Packet Details Markup Language, an XML-based format for the details of a decoded packet. This information is equivalent to the packet details printed with the *-V* option. Using the *--color* option will add color attributes to *pdml* output. These attributes are nonstandard. *ps* PostScript for a human-readable one-line summary of each of the packets, or a multi-line view of the details of each of the packets, depending on whether the *-V* option was specified. *psml* Packet Summary Markup Language, an XML-based format for the summary information of a decoded packet. This information is equivalent to the information shown in the one-line summary printed by default. Using the *--color* option will add color attributes to *pdml* output. These attributes are nonstandard. *tabs* Similar to the default *text* report except the human-readable one-line summary of each packet will include an ASCII horizontal tab (0x09) character as a delimiter between each column. *text* Text of a human-readable one-line summary of each of the packets, or a multi-line view of the details of each of the packets, depending on whether the *-V* option was specified. This is the default. -- --temp-dir :: + -- Specifies the directory into which temporary files (including capture files) are to be written. The default behavior on UNIX-compatible systems, such as Linux, macOS, \*BSD, Solaris, and AIX, is to use the environment variable __$TMPDIR__ if set, and the system default, typically __/tmp__, if it is not. On Windows, the __%TEMP%__ environment variable is used, which typically defaults to __%USERPROFILE%\AppData\Local\Temp__. -- -U :: + -- PDUs export, exports PDUs from infile to outfile according to the tap name given. Use *-Y* to filter. Enter an empty tap name "" or a tap name of ? to get a list of available names. -- -v|--version:: Print the full version information and exit. -V:: Cause *TShark* to print a view of the packet details. -w | -:: + -- Write raw packet data to __outfile__ or to the standard output if __outfile__ is '-'. NOTE: *-w* provides raw packet data, not text. If you want text output you need to redirect stdout (e.g. using '>'), don't use the *-w* option for this. -- -W :: + -- Save extra information in the file if the format supports it. For example, tshark -F pcapng -W n will save host name resolution records along with captured packets. Future versions of *TShark* may automatically change the capture format to *pcapng* as needed. The argument is a string that may contain the following letter: *n* write network address resolution information (pcapng only) -- -x:: Cause *TShark* to print a hex and ASCII dump of the packet data after printing the summary and/or details, if either are also being displayed. --hexdump :: + -- Cause *TShark* to print a hex and ASCII dump of the packet data with the ability to select which data sources to dump and how to format or exclude the ASCII dump text. This option can be used multiple times where the data source ** is *all* or *frames* and the ASCII dump text ** is *ascii*, *delimit*, *noascii*. Example: tshark ... --hexdump frames --hexdump delimit ... *all*:: Enable hexdump, generate hexdump blocks for all data sources associated with each frame. Used to negate earlier use of `--hexdump frames`. The *-x* option displays all data sources by default. *frames*:: Enable hexdump, generate hexdump blocks only for the frame data. Use this option to exclude, from hexdump output, any hexdump blocks for secondary data sources such as 'Bitstring tvb', 'Reassembled TCP', 'De-chunked entity body', etc. *ascii*:: Enable hexdump, with undelimited ASCII dump text. Used to negate earlier use of `--hexdump delimit` or `--hexdump noascii`. The *-x* option displays undelimited ASCII dump text by default. *delimit*:: Enable hexdump with the ASCII dump text delimited with '|' characters. This is useful to unambiguously determine the last of the hex byte text and start of the ASCII dump text. *noascii*:: Enable hexdump without printing any ASCII dump text. *help*:: Display *--hexdump* specific help then exit. The use of *--hexdump * is particularly useful to generate output that can be used to create a pcap or pcapng file from a capture file type such as Microsoft NetMon 2.x which *TShark* and *Wireshark* can read but can not directly do a "Save as" nor export packets from. Examples: Generate hexdump output, with only the frame data source, with delimited ASCII dump text, with each frame hex block preceded by a human readable timestamp that is directly usable by the *text2pcap* utility: tshark ... --hexdump frames --hexdump delimit \ -P -t ad -o gui.column.format:"Time","%t" \ | text2pcap -n -t '%F %T.%f' - MYNEWPCAPNG Generate hexdump output, with only the frame data source, with no ASCII dump text, with each frame hex block preceded by an epoch timestamp that is directly usable by the *text2pcap* utility: tshark ... --hexdump frames --hexdump noascii \ -P -t e -o gui.column.format:"Time","%t" \ | text2pcap -n -t %s.%f - MYNEWPCAPNG -- -X :: + -- Specify an option to be passed to a *TShark* module. The eXtension option is in the form __extension_key:value__, where __extension_key__ can be: *lua_script*:__lua_script_filename__ tells *TShark* to load the given script in addition to the default Lua scripts. **lua_script**__num__:__argument__ tells *TShark* to pass the given argument to the lua script identified by 'num', which is the number indexed order of the 'lua_script' command. For example, if only one script was loaded with '-X lua_script:my.lua', then '-X lua_script1:foo' will pass the string 'foo' to the 'my.lua' script. If two scripts were loaded, such as '-X lua_script:my.lua' and '-X lua_script:other.lua' in that order, then a '-X lua_script2:bar' would pass the string 'bar' to the second lua script, namely 'other.lua'. *read_format*:__file_format__ tells *TShark* to use the given file format to read in the file (the file given in the *-r* command option). Providing no __file_format__ argument, or an invalid one, will produce a list of available file formats to use. For example, tshark -r rtcp_broken.pcapng -X read_format:"MIME Files Format" -V will display the internal file structure and allow access to the `file-pcapng` fields. -- -y|--linktype :: + -- Set the data link type to use while capturing packets. The values reported by *-L* are the values that can be used. This option can occur multiple times. If used before the first occurrence of the *-i* option, it sets the default capture link type. If used after an *-i* option, it sets the capture link type for the interface specified by the last *-i* option occurring before this option. If the capture link type is not set specifically, the default capture link type is used if provided. -- -Y|--display-filter :: + -- Cause the specified filter (which uses the syntax of read/display filters, rather than that of capture filters) to be applied before printing a decoded form of packets or writing packets to a file. Packets matching the filter are printed or written to file; packets that the matching packets depend upon (e.g., fragments), are not printed but are written to file; packets not matching the filter nor depended upon are discarded rather than being printed or written. Use this instead of *-R* for filtering using single-pass analysis. If doing two-pass analysis (see *-2*) then only packets matching the read filter (if there is one) will be checked against this filter. -- -M :: + -- Automatically reset internal session when reached to specified number of packets. For example, tshark -M 100000 will reset session every 100000 packets. This feature does not support *-2* two-pass analysis -- -z :: + -- Get *TShark* to collect various types of statistics and display the result after finishing reading the capture file. Use the *-q* option if you're reading a capture file and only want the statistics printed, not any per-packet information. Statistics are calculated independently of the normal per-packet output, unaffected by the main display filter. However, most have their own optional __filter__ parameter, and only packets that match that filter (and any capture filter or read filter) will be used in the calculations. Note that the *-z proto* option is different - it doesn't cause statistics to be gathered and printed when the capture is complete, it modifies the regular packet summary output to include the values of fields specified with the option. Therefore you must not use the *-q* option, as that option would suppress the printing of the regular packet summary output, and must also not use the *-V* option, as that would cause packet detail information rather than packet summary information to be printed. Some of the currently implemented statistics are: -- *-z help*:: Display all possible values for *-z*. *-z* afp,srt[,__filter__]:: Show Apple Filing Protocol service response time statistics. *-z* ancp,tree[,__filter__]:: Calculate statistics on Access Node Control Protocol message types and adjacency packet codes. *-z* ansi_a,bsmap[,__filter__]:: Count the number of ANSI A-I/F BSMAP messages of each type. *-z* ansi_a,dtap[,__filter__]:: Count the number of ANSI A-I/F DTAP messages of each type. *-z* ansi_map[,__filter__]:: Count the number of ANSI MAP messages of each type, and calculate the total number of bytes and average bytes of each message type. *-z* asap,stat[,__filter__]:: Calculate statistics on Aggregate Service Access Protocol (ASAP). For each ASAP message type, displays the number, rate, and share among all ASAP message types of both packets and bytes, and the first and last time that it is seen. *-z* bacapp_instanceid,tree[,__filter__]:: Calculate statistics on BACnet APDUs, collated by instance ID. Displayed information includes source and destination address and service type. *-z* bacapp_ip,tree[,__filter__]:: Calculate statistics on BACnet APDUs, collated by source and destination address. Displayed information includes service type, object ID, and instance ID. *-z* bacapp_objectid,tree[,__filter__]:: Calculate statistics on BACnet APDUs, collated by object ID. Displayed information includes source and destination address, service type, and instance ID. *-z* bacapp_service,tree[,__filter__]:: Calculate statistics on BACnet APDUs, collated by service type. Displayed information includes source and destination address, object ID, and instance ID. *-z* calcappprotocol,stat[,__filter__]:: Calculate statistics on the Calculation Application Protocol of Reliable Server Pooling. For each message type, displays the number, rate, and share among all message types of both packets and bytes, and the first and last time that it is seen. *-z* camel,counter[,__filter__]:: Count the number of CAMEL messages for each opcode. *-z* camel,srt[,__filter__]:: Collect requests/response SRT (Service Response Time) data for CAMEL. Data collected is number of request messages with corresponding response of each CAMEL message type, along with the minimum, maximum, and average response time. *-z* collectd,tree[,__filter__]:: Calculate statistics for collectd. The gathered statistics are the number of collectd packets and the total number of value segments, along with the host, plugin, and type of the values. *-z* componentstatusprotocol,stat[,__filter__]:: Calculate statistics on the Calculation Status Protocol of Reliable Server Pooling. For each message type, displays the number, rate and share among all message types of both packets and bytes, and the first and last time that it is seen. *-z* conv,__type__[,__filter__]:: + -- Create a table that lists all conversations that could be seen in the capture. __type__ specifies the conversation endpoint type for which we want to generate the statistics; currently the supported ones are: "bluetooth" Bluetooth addresses "dccp" DCCP/IP socket pairs Both IPv4 and IPv6 are supported "eth" Ethernet addresses "fc" Fibre Channel addresses "fddi" FDDI addresses "ip" IPv4 addresses "ipv6" IPv6 addresses "ipx" IPX addresses "jxta" JXTA message addresses "mptcp" Multipath TCP connections "ncp" NCP connections "rsvp" RSVP connections "sctp" SCTP/IP socket pairs Both IPv4 and IPv6 are supported "sll" Linux "cooked mode" capture addresses "tcp" TCP/IP socket pairs Both IPv4 and IPv6 are supported "tr" Token Ring addresses "udp" UDP/IP socket pairs Both IPv4 and IPv6 are supported "usb" USB addresses "wlan" IEEE 802.11 addresses "wpan" IEEE 802.15.4 addresses "zbee_nwk" ZigBee Network Layer addresses The table is presented with one line for each conversation which displays the number of frames/bytes in each direction, the total number of frames/bytes, relative start time and duration. The table is sorted according to the total number of frames. -- *-z* credentials:: Collect credentials (username/passwords) from packets. The report includes the packet number, the protocol that had that credential, the username and the password. For protocols just using one single field as authentication, this is provided as a password and a placeholder in place of the user. Currently implemented protocols include FTP, HTTP, IMAP, POP, and SMTP. *-z* dcerpc,srt,__uuid__,__major__.__minor__[,__filter__]:: + -- Collect call/reply SRT (Service Response Time) data for DCERPC interface __uuid__, version __major__.__minor__. Data collected is the number of calls for each procedure, MinSRT, MaxSRT and AvgSRT. Example: [.nowrap]#*-z dcerpc,srt,12345778-1234-abcd-ef00-0123456789ac,1.0*# will collect data for the CIFS SAMR Interface. This option can be used multiple times on the command line. Example: [.nowrap]#*-z dcerpc,srt,12345778-1234-abcd-ef00-0123456789ac,1.0,ip.addr==1.2.3.4*# will collect SAMR SRT statistics for a specific host. -- *-z* dests,tree[,__filter__]:: Calculate statistics on IPv4 destination addresses and the protocols and ports appearing on each address. *-z* dhcp,stat[,__filter__]:: Show DHCP (BOOTP) statistics. *-z* diameter,avp[,__cmd.code__,__field__,__field__,__...__]:: + -- This option enables extraction of most important diameter fields from large capture files. Exactly one text line for each diameter message with matched *diameter.cmd.code* will be printed. Empty diameter command code or +'*'+ can be specified to match any *diameter.cmd.code* Example: *-z diameter,avp* extract default field set from diameter messages. Example: *-z diameter,avp,280* extract default field set from diameter DWR messages. Example: *-z diameter,avp,272* extract default field set from diameter CC messages. Extract most important fields from diameter CC messages: *tshark -r file.cap.gz -q -z diameter,avp,272,CC-Request-Type,CC-Request-Number,Session-Id,Subscription-Id-Data,Rating-Group,Result-Code* Following fields will be printed out for each diameter message: "frame" Frame number. "time" Unix time of the frame arrival. "src" Source address. "srcport" Source port. "dst" Destination address. "dstport" Destination port. "proto" Constant string 'diameter', which can be used for post processing of tshark output. E.g. grep/sed/awk. "msgnr" seq. number of diameter message within the frame. E.g. '2' for the third diameter message in the same frame. "is_request" '0' if message is a request, '1' if message is an answer. "cmd" diameter.cmd_code, E.g. '272' for credit control messages. "req_frame" Number of frame where matched request was found or '0'. "ans_frame" Number of frame where matched answer was found or '0'. "resp_time" response time in seconds, '0' in case if matched Request/Answer is not found in trace. E.g. in the begin or end of capture. *-z diameter,avp* option is much faster than *-V -T text* or *-T pdml* options. *-z diameter,avp* option is more powerful than *-T field* and *-z proto,colinfo* options. Multiple diameter messages in one frame are supported. Several fields with same name within one diameter message are supported, e.g. __diameter.Subscription-Id-Data__ or __diameter.Rating-Group__. Note: *tshark -q* option is recommended to suppress default *TShark* output. -- *-z* diameter,srt[,__filter__]:: Collect requests/response SRT (Service Response Time) data for Diameter. Data collected is number of request and response pairs of each Diameter command code, Minimum SRT, Maximum SRT, Average SRT, and Sum SRT. Currently no statistics are gathered on unpaired messages. *-z* dns,tree[,__filter__]:: Create a summary of the captured DNS packets. General information are collected such as qtype and qclass distribution. For some data (as qname length or DNS payload) max, min and average values are also displayed. *-z* endpoints,__type__[,__filter__]:: + -- Create a table that lists all endpoints that could be seen in the capture. __type__ specifies the endpoint type for which we want to generate the statistics; currently the supported ones are: "bluetooth" Bluetooth addresses "dccp" DCCP/IP socket pairs Both IPv4 and IPv6 are supported "eth" Ethernet addresses "fc" Fibre Channel addresses "fddi" FDDI addresses "ip" IPv4 addresses "ipv6" IPv6 addresses "ipx" IPX addresses "jxta" JXTA message addresses "mptcp" Multipath TCP connections "ncp" NCP connections "rsvp" RSVP connections "sctp" SCTP/IP socket pairs Both IPv4 and IPv6 are supported "sll" Linux "cooked mode" capture addresses "tcp" TCP/IP socket pairs Both IPv4 and IPv6 are supported "tr" Token Ring addresses "udp" UDP/IP socket pairs Both IPv4 and IPv6 are supported "usb" USB addresses "wlan" IEEE 802.11 addresses "wpan" IEEE 802.15.4 addresses "zbee_nwk" ZigBee Network Layer addresses The table is presented with one line for each endpoint which displays the total number of packets/bytes and the number of packets/bytes in each direction. The table is sorted according to the total number of packets. -- *-z* enrp,stat[,__filter__]:: Calculate statistics on Endpoint Handlespace Redundancy Protocol (ENRP). For each message type, displays the number, rate, and share among all message types of both packets and bytes, and the first and last time that it is seen. *-z* expert[__,error|,warn|,note|,chat|,comment__][,__filter__]:: + -- Collects information about all expert info, and will display them in order, grouped by severity. Example: *-z expert,sip* will show expert items of all severity for frames that match the sip protocol. This option can be used multiple times on the command line. Example: *-z "expert,note,tcp"* will only collect expert items for frames that include the tcp protocol, with a severity of note or higher. -- *-z* f1ap,tree[,__filter__]:: Calculate the distribution of F1AP packets, grouped by packet types. *-z* f5_tmm_dist,tree[,__filter__]:: Calculate the F5 Ethernet trailer Traffic Management Microkernel distribution. Displayed information is the number of packets and bytes, grouped by the TMM slot and number, whether packets are ingress or egress, and whether there is a flow ID and virtual server name, a flow ID without virtual server name, or no flow ID, along with total for all packets with F5 trailers. *-z* f5_virt_dist,tree[,__filter__]:: Calculate F5 Ethernet trailer Virtual Server distribution. Displayed information is the number of packets and bytes, grouped by the virtual server name if it exists, or by whether there is a flow ID or not if there is no virtual server name, as well as totals for all packets with F5 trailers. *-z* fc,srt[,__filter__]:: Collect requests/response SRT (Service Response Time) data for GTP. Data collected is the number of request/response pairs, minimum SRT, maximum SRT, average SRT, and sum SRT for each value of the Type field (next protocol). No statistics are gathered on unpaired messages. *-z* flow,__name__,__mode__[,__filter__]:: + -- Displays the flow of data between two nodes. Output is the same as ASCII format saved from GUI. __name__ specifies the flow name. It can be one of: any All frames icmp ICMP icmpv6 ICMPv6 lbm_uim UIM tcp TCP __mode__ specifies the address type. It can be one of: standard Any address network Network address Example: *-z flow,tcp,network* will show data flow for all TCP frames -- *-z* follow,__prot__,__mode__,__filter__[,__range__]:: + -- Displays the contents of a TCP or UDP stream between two nodes. The data sent by the second node is prefixed with a tab to differentiate it from the data sent by the first node. __prot__ specifies the transport protocol. It can be one of: tcp TCP udp UDP dccp DCCP tls TLS or SSL http HTTP streams http2 HTTP/2 streams quic QUIC streams NOTE: While the usage help presents sip as an option, the proper stream filters are not implemented so SIP calls cannot be followed in *TShark*, only in *Wireshark*. __mode__ specifies the output mode. It can be one of: ascii ASCII output with dots for non-printable characters ebcdic EBCDIC output with dots for non-printable characters hex Hexadecimal and ASCII data with offsets raw Hexadecimal data utf-8 UTF-8 output with REPLACEMENT CHARACTERs for invalid sequences yaml YAML format Since the output in *ascii*, *ebcdic*, or *utf-8* mode may contain newlines, each section of output is preceded by its length in bytes plus a newline. (Note that for *utf-8* this is not UTF-8 characters, and may be different than the length as transmitted due to the substitution of replacement characters for invalid sequences.) __filter__ specifies the stream to be displayed. There are three formats: ip-addr0:port0,ip-addr1:port1 stream-index stream-index,substream-index The first format specifies IP addresses and TCP, UDP, or DCCP port pairs. (TCP ports are used for TLS, HTTP, and HTTP2; QUIC does not support address and port matching because of connection migration.) The second format specifies stream indices, and is used for TCP, UDP, DCCP, TLS, and HTTP. (TLS and HTTP use TCP stream indices.) The third format, specifying streams and substreams, is used for HTTP/2 and QUIC due to their use of multiplexing. (TCP stream and HTTP/2 stream indices for HTTP/2, QUIC connection number and stream ID for QUIC.) __range__ optionally specifies which "chunks" of the stream should be displayed. Example: *-z "follow,tcp,hex,1"* will display the contents of the second TCP stream (the first is stream 0) in "hex" format. =================================================================== Follow: tcp,hex Filter: tcp.stream eq 1 Node 0: 200.57.7.197:32891 Node 1: 200.57.7.198:2906 00000000 00 00 00 22 00 00 00 07 00 0a 85 02 07 e9 00 02 ...".... ........ 00000010 07 e9 06 0f 00 0d 00 04 00 00 00 01 00 03 00 06 ........ ........ 00000020 1f 00 06 04 00 00 ...... 00000000 00 01 00 00 .... 00000026 00 02 00 00 Example: *-z "follow,tcp,ascii,200.57.7.197:32891,200.57.7.198:2906"* will display the contents of a TCP stream between 200.57.7.197 port 32891 and 200.57.7.98 port 2906. =================================================================== Follow: tcp,ascii Filter: (omitted for readability) Node 0: 200.57.7.197:32891 Node 1: 200.57.7.198:2906 38 ..."..... ................ 4 .... Example: *-z "follow,http2,hex,0,1"* will display the contents of a HTTP/2 stream on the first TCP session (index 0) with HTTP/2 Stream ID 1. =================================================================== Follow: http2,hex Filter: tcp.stream eq 0 and http2.streamid eq 1 Node 0: 172.16.5.1:49178 Node 1: 172.16.5.10:8443 00000000 00 00 2c 01 05 00 00 00 01 82 04 8b 63 c1 ac 2a ..,..... ....c..* 00000010 27 1d 9d 57 ae a9 bf 87 41 8c 0b a2 5c 2e 2e da '..W.... A...\... 00000020 e1 05 c7 9a 69 9f 7a 88 25 b6 50 c3 ab b6 25 c3 ....i.z. %.P...%. 00000030 53 03 2a 2f 2a S.*/* 00000000 00 00 22 01 04 00 00 00 01 88 5f 87 35 23 98 ac .."..... .._.5#.. 00000010 57 54 df 61 96 c3 61 be 94 03 8a 61 2c 6a 08 2f WT.a..a. ...a,j./ 00000020 34 a0 5b b8 21 5c 0b ea 62 d1 bf 4.[.!\.. b.. 0000002B 00 40 00 00 00 00 00 00 01 89 50 4e 47 0d 0a 1a .@...... ..PNG... -- *-z* fractalgeneratorprotocol,stat[,__filter__]:: + -- Calculate statistics on the Fractal Generator Protocol of Reliable Server Pooling. For each message type, displays the number, rate and share among all message types of both packets and bytes, and the first and last time that it is seen. -- *-z* gsm_a:: + -- Count the number of GSM A-I/F messages of each type within the following categories: BSSMAP, DTAP Mobility Management, DTAP Radio Resource Management, DTAP Call Control, DTAP GPRS Mobility Management, DTAP SMS messages, DTAP GPRS Session Management, DTAP Supplementary Services, DTAP Special Conformance Testing Functions, and SACCH Radio Resource Management. Unlike the individual statistics for each category that follow, this only prints a line for each message type that appears, instead of including lines for message types with a count of zero. -- *-z* gsm_a,__category__[,__filter__]:: + -- Count the number of messages of each type in GSM A-I/F __category__, which can be one of: bssmap BSSMAP dtap_cc DTAP Call Control dtap_gmm DTAP GPRS Mobility Management dtap_mm DTAP Mobility Management dtap_rr DTAP Radio Resource Management dtap_sacch SACCH Radio Resource Management dtap_sm DTAP GPRS Session Management dtap_sms DTAP Short Message Service dtap_ss DTAP Supplementary Services dtap_tp DTAP Special Conformance Testing Functions -- *-z* gsm_map,operation[,__filter__]:: Calculate statistics on GSM MAP. For each op code, the total number of invokes and results, along with the average and total bytes for invokes and results separately and combined is displayed. *-z* gtp,srt[,__filter__]:: Collect requests/response SRT (Service Response Time) data for GTP. Data collected is the number of calls, minimum SRT, maximum SRT, average SRT, and sum SRT for certain commands. Currently no statistics are gathered on unpaired messages. *-z* gtpv2,srt[,__filter__]:: Collect requests/response SRT (Service Response Time) data for GTP. Data collected is the number of calls, minimum SRT, maximum SRT, average SRT, and sum SRT for certain commands. Currently no statistics are gathered on unpaired messages. *-z* h225,counter[,__filter__]:: + -- Count ITU-T H.225 messages and their reasons. In the first column you get a list of H.225 messages and H.225 message reasons, which occur in the current capture file. The number of occurrences of each message or reason is displayed in the second column. Example: *-z h225,counter*. Example: use *-z "h225,counter,ip.addr==1.2.3.4"* to only collect stats for H.225 packets exchanged by the host at IP address 1.2.3.4 . This option can be used multiple times on the command line. -- *-z* h225_ras,rtd[,__filter__]:: + -- Collect requests/response RTD (Response Time Delay) data for ITU-T H.225 RAS. Data collected is number of calls of each ITU-T H.225 RAS Message Type, Minimum RTD, Maximum RTD, Average RTD, Minimum in Frame, and Maximum in Frame. You will also get the number of Open Requests (Unresponded Requests), Discarded Responses (Responses without matching request) and Duplicate Messages. Example: *tshark -z h225_ras,rtd* This option can be used multiple times on the command line. Example: *-z "h225_ras,rtd,ip.addr==1.2.3.4"* will only collect stats for ITU-T H.225 RAS packets exchanged by the host at IP address 1.2.3.4 . -- *-z* hart_ip,tree[,__filter__]:: Calculate statistics on HART-IP packets, grouping by message types and message IDs within types. *-z* hosts[,ip][,ipv4][,ipv6]:: + -- Dump any collected resolved IPv4 and/or IPv6 addresses in "hosts" format. Both IPv4 and IPv6 addresses are dumped by default. "ip" argument will dump only IPv4 addresses. Addresses are collected from a number of sources, including standard "hosts" files and captured traffic. Resolution must be enabled, e.g. through the *-n* option. -- *-z* hpfeeds,tree[,__filter__]:: Calculate statistics for HPFEEDS traffic such as publish per channel, and opcode distribution. *-z* http,stat[,__filter__]:: Count the HTTP response status codes and the HTTP request methods. *-z* http,tree[,__filter__]:: Calculate the HTTP packet distribution. Displayed values are the response status codes and request methods. *-z* http_req,tree[,__filter__]:: Calculate the HTTP requests by server. Displayed values are the server name and the URI path. *-z* http_seq,tree[,__filter__]:: Calculate the HTTP request sequence statistics, which correlate referring URIs with request URIs. *-z* http_srv,tree[,__filter__]:: Calculate the HTTP requests and responses by server. For the HTTP requests, displayed values are the server IP address and server hostname. For the HTTP responses, displayed values are the server IP address and status. *-z* http2,tree[,__filter__]:: Calculate the HTTP/2 packet distribution. Displayed values are the frame types. *-z* icmp,srt[,__filter__]:: + -- Compute total ICMP echo requests, replies, loss, and percent loss, as well as minimum, maximum, mean, median and sample standard deviation SRT statistics typical of what ping provides. Example: [.nowrap]#*-z icmp,srt,ip.src==1.2.3.4*# will collect ICMP SRT statistics for ICMP echo request packets originating from a specific host. This option can be used multiple times on the command line. -- *-z* icmpv6,srt[,__filter__]:: + -- Compute total ICMPv6 echo requests, replies, loss, and percent loss, as well as minimum, maximum, mean, median and sample standard deviation SRT statistics typical of what ping provides. Example: [.nowrap]#*-z icmpv6,srt,ipv6.src==fe80::1*# will collect ICMPv6 SRT statistics for ICMPv6 echo request packets originating from a specific host. This option can be used multiple times on the command line. -- *-z* io,phs[,__filter__]:: + -- Create Protocol Hierarchy Statistics listing both number of packets and bytes. This option can be used multiple times on the command line. -- *-z* io,stat,__interval__[,__filter__][,__filter__][,__filter__]...:: + -- Collect packet/bytes statistics for the capture in intervals of __interval__ seconds. __Interval__ can be specified either as a whole or fractional second and can be specified with microsecond (us) resolution. If __interval__ is 0, the statistics will be calculated over all packets. If one or more __filters__ are specified statistics will be calculated for all filters and presented with one column of statistics for each filter. This option can be used multiple times on the command line. Example: *-z io,stat,1,ip.addr==1.2.3.4* will generate 1 second statistics for all traffic to/from host 1.2.3.4. Example: *-z "io,stat,0.001,smb&&ip.addr==1.2.3.4"* will generate 1ms statistics for all SMB packets to/from host 1.2.3.4. The examples above all use the standard syntax for generating statistics which only calculates the number of packets and bytes in each interval. *io,stat* can also do much more statistics and calculate COUNT(), SUM(), MIN(), MAX(), AVG() and LOAD() using a slightly different filter syntax: -- -z io,stat,__interval__,"COUNT|SUM|MIN|MAX|AVG|LOAD(__field__)__filter__":: + -- NOTE: One important thing to note here is that the filter is not optional and that the field that the calculation is based on MUST be part of the filter string or the calculation will fail. So: *-z io,stat,0.010,AVG(smb.time)* does not work. Use *-z io,stat,0.010,AVG(smb.time)smb.time* instead. Also be aware that a field can exist multiple times inside the same packet and will then be counted multiple times in those packets. NOTE: A second important thing to note is that the system setting for decimal separator must be set to "."! If it is set to "," the statistics will not be displayed per filter. **COUNT** - Calculates the number of times that the field __name__ (not its value) appears per interval in the filtered packet list. ''__field__'' can be any display filter name. Example: *-z io,stat,0.010,"COUNT(smb.sid)smb.sid"* This will count the total number of SIDs seen in each 10ms interval. **SUM** - Unlike COUNT, the __values__ of the specified field are summed per time interval. ''__field__'' can only be a named integer, float, double or relative time field. Example: *tshark -z io,stat,0.010,"SUM(frame.len)frame.len"* Reports the total number of bytes that were transmitted bidirectionally in all the packets within a 10 millisecond interval. **MIN/MAX/AVG** - The minimum, maximum, or average field value in each interval is calculated. The specified field must be a named integer, float, double or relative time field. For relative time fields, the output is presented in seconds with six decimal digits of precision rounded to the nearest microsecond. In the following example, the time of the first Read_AndX call, the last Read_AndX response values are displayed and the minimum, maximum, and average Read response times (SRTs) are calculated. NOTE: If the DOS command shell line continuation character, ''^'' is used, each line cannot end in a comma so it is placed at the beginning of each continuation line: tshark -o tcp.desegment_tcp_streams:FALSE -n -q -r smb_reads.cap -z io,stat,0, "MIN(frame.time_relative)frame.time_relative and smb.cmd==0x2e and smb.flags.response==0", "MAX(frame.time_relative)frame.time_relative and smb.cmd==0x2e and smb.flags.response==1", "MIN(smb.time)smb.time and smb.cmd==0x2e", "MAX(smb.time)smb.time and smb.cmd==0x2e", "AVG(smb.time)smb.time and smb.cmd==0x2e" ====================================================================================================== IO Statistics Column #0: MIN(frame.time_relative)frame.time_relative and smb.cmd==0x2e and smb.flags.response==0 Column #1: MAX(frame.time_relative)frame.time_relative and smb.cmd==0x2e and smb.flags.response==1 Column #2: MIN(smb.time)smb.time and smb.cmd==0x2e Column #3: MAX(smb.time)smb.time and smb.cmd==0x2e Column #4: AVG(smb.time)smb.time and smb.cmd==0x2e | Column #0 | Column #1 | Column #2 | Column #3 | Column #4 | Time | MIN | MAX | MIN | MAX | AVG | 000.000- 0.000000 7.704054 0.000072 0.005539 0.000295 ====================================================================================================== The following command displays the average SMB Read response PDU size, the total number of read PDU bytes, the average SMB Write request PDU size, and the total number of bytes transferred in SMB Write PDUs: tshark -n -q -r smb_reads_writes.cap -z io,stat,0, "AVG(smb.file.rw.length)smb.file.rw.length and smb.cmd==0x2e and smb.response_to", "SUM(smb.file.rw.length)smb.file.rw.length and smb.cmd==0x2e and smb.response_to", "AVG(smb.file.rw.length)smb.file.rw.length and smb.cmd==0x2f and not smb.response_to", "SUM(smb.file.rw.length)smb.file.rw.length and smb.cmd==0x2f and not smb.response_to" ===================================================================================== IO Statistics Column #0: AVG(smb.file.rw.length)smb.file.rw.length and smb.cmd==0x2e and smb.response_to Column #1: SUM(smb.file.rw.length)smb.file.rw.length and smb.cmd==0x2e and smb.response_to Column #2: AVG(smb.file.rw.length)smb.file.rw.length and smb.cmd==0x2f and not smb.response_to Column #3: SUM(smb.file.rw.length)smb.file.rw.length and smb.cmd==0x2f and not smb.response_to | Column #0 | Column #1 | Column #2 | Column #3 | Time | AVG | SUM | AVG | SUM | 000.000- 30018 28067522 72 3240 ===================================================================================== **LOAD** - The LOAD/Queue-Depth in each interval is calculated. The specified field must be a relative time field that represents a response time. For example smb.time. For each interval the Queue-Depth for the specified protocol is calculated. The following command displays the average SMB LOAD. A value of 1.0 represents one I/O in flight. tshark -n -q -r smb_reads_writes.cap -z "io,stat,0.001,LOAD(smb.time)smb.time" ============================================================================ IO Statistics Interval: 0.001000 secs Column #0: LOAD(smb.time)smb.time | Column #0 | Time | LOAD | 0000.000000-0000.001000 1.000000 0000.001000-0000.002000 0.741000 0000.002000-0000.003000 0.000000 0000.003000-0000.004000 1.000000 **FRAMES | BYTES**[()__filter__] - Displays the total number of frames or bytes. The filter field is optional but if included it must be prepended with ''()''. The following command displays five columns: the total number of frames and bytes (transferred bidirectionally) using a single comma, the same two stats using the FRAMES and BYTES subcommands, the total number of frames containing at least one SMB Read response, and the total number of bytes transmitted to the client (unidirectionally) at IP address 10.1.0.64. tshark -o tcp.desegment_tcp_streams:FALSE -n -q -r smb_reads.cap -z io,stat,0,,FRAMES,BYTES, "FRAMES()smb.cmd==0x2e and smb.response_to","BYTES()ip.dst==10.1.0.64" ======================================================================================================================= IO Statistics Column #0: Column #1: FRAMES Column #2: BYTES Column #3: FRAMES()smb.cmd==0x2e and smb.response_to Column #4: BYTES()ip.dst==10.1.0.64 | Column #0 | Column #1 | Column #2 | Column #3 | Column #4 | Time | Frames | Bytes | FRAMES | BYTES | FRAMES | BYTES | 000.000- 33576 29721685 33576 29721685 870 29004801 ======================================================================================================================= -- *-z* ip_hosts,tree[,__filter__]:: Calculate statistics on IPv4 addresses, with source and destination addresses all grouped together. *-z* ip_srcdst,tree[,__filter__]:: Calculate statistics on IPv4 addresses, with source and destination addresses separated into separate categories. *-z* ip_ttl,tree[,__filter__]:: Calculate statistics on the time to live (TTL) values that occur for each IPv4 source address. *-z* ip6_dests,tree[,__filter__]:: Calculate statistics on IPv6 destination addresses and the protocols and ports appearing on each address. *-z* ip6_hosts,tree[,__filter__]:: Calculate statistics on IPv6 addresses, with source and destination addresses all grouped together. *-z* ip6_ptype,tree[,__filter__]:: Calculate statistics on port types that occur on IPv6 packets. *-z* ip6_srcdst,tree[,__filter__]:: Calculate statistics on IPv6 addresses, with source and destination addresses separated into separate categories. *-z* ip6_hop,tree[,__filter__]:: Calculate statistics on the hop limits that occur for each IPv6 source address. *-z* isup_msg,tree[,__filter__]:: Calculate statistics on ISUP messages. Displayed information is message types and direction (originating point code and destination point code.) *-z* lbmr_queue_ads_queue,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays queue advertisements collated by queue name and then source addresses and port. *-z* lbmr_queue_ads_source,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays queue advertisements collated by source address and then queue and port. *-z* lbmr_queue_queries_queue,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays queue queries collated by queue name and then receiver addresses. *-z* lbmr_queue_queries_receiver,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays queue queries collated by receiver address and then queue. *-z* lbmr_topic_ads_source,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays topic advertisements collated by source address and then topic name and source string. *-z* lbmr_topic_ads_topic,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays topic advertisements collated by topic name and then source address and source string. *-z* lbmr_topic_ads_transport,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays topic advertisements collated by source string and then topic name. *-z* lbmr_topic_queries_pattern,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays topic queries collated by pattern and then receiver address. *-z* lbmr_topic_queries_pattern_receiver,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays topic queries collated by receiver address and then pattern. *-z* lbmr_topic_queries_receiver,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays topic queries collated by receiver address and then topic name. *-z* lbmr_topic_queries_topic,tree[,__filter__]:: Calculate statistics on LBM Topic Resolution Packets. Displays topic queries collated by topic name and then receiver address. *-z* mac-lte,stat[,__filter__]:: + -- This option will activate a counter for LTE MAC messages. You will get information about the maximum number of UEs/TTI, common messages and various counters for each UE that appears in the log. Example: *tshark -z mac-lte,stat*. This option can be used multiple times on the command line. Example: *-z "mac-lte,stat,mac-lte.rnti>3000"* will only collect stats for UEs with an assigned RNTI whose value is more than 3000. -- *-z* megaco,rtd[,__filter__]:: + -- Collect requests/response RTD (Response Time Delay) data for MEGACO. (This is similar to *-z smb,srt*). Data collected is the number of calls for each known MEGACO Type, MinRTD, MaxRTD and AvgRTD. Additionally you get the number of duplicate requests/responses, unresponded requests, responses, which don't match with any request. Example: *-z megaco,rtd*. Example: *-z "megaco,rtd,ip.addr==1.2.3.4"* will only collect stats for MEGACO packets exchanged by the host at IP address 1.2.3.4 . This option can be used multiple times on the command line. -- *-z* mgcp,rtd[,__filter__]:: + -- Collect requests/response RTD (Response Time Delay) data for MGCP. (This is similar to *-z smb,srt*). Data collected is the number of calls for each known MGCP Type, MinRTD, MaxRTD and AvgRTD. Additionally you get the number of duplicate requests/responses, unresponded requests, responses, which don't match with any request. Example: *-z mgcp,rtd*. This option can be used multiple times on the command line. Example: *-z "mgcp,rtd,ip.addr==1.2.3.4"* will only collect stats for MGCP packets exchanged by the host at IP address 1.2.3.4 . -- *-z* mtp3,msus[,__filter__]:: Calculate statistics on MTP3 MSUs. For each combination of originating point code, destination point code, and service indicator, calculates the total number of MSUs, the total bytes, and the average bytes per MSU. *-z* ncp,srt[,__filter__]:: Collect requests/response SRT (Service Response Time) data for Netware Core Protocol. Minimum SRT, maximum SRT, average SRT, and sum SRT is displayed for request/response pairs, organized by group, function and subfunction, and verb. No statistics are gathered on unpaired messages. *-z* osmux,tree[,__filter__]:: Calculate statistics for the OSmux voice/signaling multiplex protocol. Displays the total number of OSmux packets, and displays for each stream the number of packets, number of packets with the RTP market bit set, number of AMR frames, jitter analysis, and sequence number analysis. *-z* pingpongprotocol,stat[,__filter__]:: Calculate statistics on the Ping Pong Protocol of Reliable Server Pooling. For each message type, displays the number, rate and share among all message types of both packets and bytes, and the first and last time that it is seen. *-z* plen,tree[,__filter__]:: Calculate statistics on packet lengths. Packets are grouped into buckets that grow exponentially with powers of two. *-z* proto,colinfo,__filter__,__field__:: + -- Append all __field__ values for the packet to the Info column of the one-line summary output. This feature can be used to append arbitrary fields to the Info column in addition to the normal content of that column. __field__ is the display-filter name of a field which value should be placed in the Info column. __filter__ is a filter string that controls for which packets the field value will be presented in the info column. __field__ will only be presented in the Info column for the packets which match __filter__. NOTE: In order for *TShark* to be able to extract the __field__ value from the packet, __field__ MUST be part of the __filter__ string. If not, *TShark* will not be able to extract its value. For a simple example to add the "nfs.fh.hash" field to the Info column for all packets containing the "nfs.fh.hash" field, use *-z proto,colinfo,nfs.fh.hash,nfs.fh.hash* To put "nfs.fh.hash" in the Info column but only for packets coming from host 1.2.3.4 use: *-z "proto,colinfo,nfs.fh.hash && ip.src==1.2.3.4,nfs.fh.hash"* This option can be used multiple times on the command line. -- *-z* ptype,tree[,__filter__]:: Calculate statistics on port types that occur on IPv4 packets. *-z* radius,rtd[,__filter__]:: Collect requests/response RTD (Response Time Delay) data for RADIUS. The data collected for each RADIUS code is the number of calls, Minimum RTD, Maximum RTD, Average RTD, Minimum in Frame, and Maximum in Frame, along with the number of Open Requests (Unresponded Requests), Discarded Responses (Responses without matching request) and Duplicate Messages. *-z* rlc-lte,stat[,__filter__]:: + -- This option will activate a counter for LTE RLC messages. You will get information about common messages and various counters for each UE that appears in the log. Example: *tshark -z rlc-lte,stat*. This option can be used multiple times on the command line. Example: *-z "rlc-lte,stat,rlc-lte.ueid>3000"* will only collect stats for UEs with a UEId of more than 3000. -- *-z* rpc,programs:: + -- Collect call/reply SRT data for all known ONC-RPC programs/versions. Data collected is number of calls for each protocol/version, MinSRT, MaxSRT and AvgSRT. This option can only be used once on the command line. -- *-z* rpc,srt,__program__,__version__[,__filter__]:: + -- Collect call/reply SRT (Service Response Time) data for __program__/__version__. Data collected is the number of calls for each procedure, MinSRT, MaxSRT, AvgSRT, and the total time taken for each procedure. Example: *tshark -z rpc,srt,100003,3* will collect data for NFS v3. This option can be used multiple times on the command line. Example: *-z rpc,srt,100003,3,nfs.fh.hash==0x12345678* will collect NFS v3 SRT statistics for a specific file. -- *-z* rtp,streams:: Collect statistics for all RTP streams and calculate max. delta, max. and mean jitter and packet loss percentages. *-z* rtsp,stat[,__filter__]:: Count the RTSP response status codes and the RSTP request methods. *-z* rtsp,tree[,__filter__]:: Calculate the RTSP packet distribution. Displayed values are the response status codes and request methods. *-z* sametime,tree[,__filter__]:: Calculate statistics on SAMETIME messages. Displayed values are the messages type, send type, and user status. *-z* scsi,srt,__cmdset__[,__filter__]:: + -- Collect call/reply SRT (Service Response Time) data for SCSI commandset __cmdset__. Commandsets are 0:SBC 1:SSC 5:MMC Data collected is the number of calls for each procedure, MinSRT, MaxSRT and AvgSRT. Example: *-z scsi,srt,0* will collect data for SCSI BLOCK COMMANDS (SBC). This option can be used multiple times on the command line. Example: *-z scsi,srt,0,ip.addr==1.2.3.4* will collect SCSI SBC SRT statistics for a specific iscsi/ifcp/fcip host. -- *-z* sctp,stat:: Activate a counter for SCTP chunks. In addition to the total number of SCTP packets, for each source and destination address and port combination the number of chunks of the most common types (DATA, SACK, HEARTBEAT, HEARTBEAT ACK, INIT, INIT ACK, COOKIE ECHO, COOKIE ACK, ABORT, and ERROR) are displayed. *-z* sip,stat[,__filter__]:: + -- This option will activate a counter for SIP messages. You will get the number of occurrences of each SIP Method and of each SIP Status-Code. Additionally you also get the number of resent SIP Messages (only for SIP over UDP). Example: *-z sip,stat*. This option can be used multiple times on the command line. Example: *-z "sip,stat,ip.addr==1.2.3.4"* will only collect stats for SIP packets exchanged by the host at IP address 1.2.3.4 . -- *-z* smb,sids:: + -- When this feature is used *TShark* will print a report with all the discovered SID and account name mappings. Only those SIDs where the account name is known will be presented in the table. For this feature to work you will need to either to enable "Edit/Preferences/Protocols/SMB/Snoop SID to name mappings" in the preferences or you can override the preferences by specifying [.nowrap]#*-o "smb.sid_name_snooping:TRUE"*# on the *TShark* command line. The current method used by *TShark* to find the SID->name mapping is relatively restricted with a hope of future expansion. -- *-z* smb,srt[,__filter__]:: + -- Collect call/reply SRT (Service Response Time) data for SMB. Data collected is number of calls for each SMB command, MinSRT, MaxSRT and AvgSRT. Example: *-z smb,srt* The data will be presented as separate tables for all normal SMB commands, all Transaction2 commands and all NT Transaction commands. Only those commands that are seen in the capture will have its stats displayed. Only the first command in a xAndX command chain will be used in the calculation. So for common SessionSetupAndX + TreeConnectAndX chains, only the SessionSetupAndX call will be used in the statistics. This is a flaw that might be fixed in the future. This option can be used multiple times on the command line. Example: *-z "smb,srt,ip.addr==1.2.3.4"* will only collect stats for SMB packets exchanged by the host at IP address 1.2.3.4 . -- *-z* smb2,srt[,__filter__]:: Collect call/reply SRT (Service Response Time) data for SMB versions 2 and 3. The data collected for each normal command type is the number of calls, MinSRT, MaxSRT, AvgSRT, and SumSRT. No data is collected on cancel or oplock break requests, or on unpaired commands. Only the first response to a given request is used; retransmissions are not included in the calculation. *-z* smpp_commands,tree[,__filter__]:: Calculate the SMPP command distribution. Displayed values are command IDs for both requests and responses, and status for responses. *-z* snmp,srt[,__filter__]:: Collect call/reply SRT (Service Response Time) data for SNMP. The data collected for each PDU type is the number of request/response pairs, MinSRT, MaxSRT, AvgSRT, and SumSRT. No data is collected on unpaired messages. *-z* someip_messages,tree[,__filter__]:: Create statistic of SOME/IP messages. Messages are counted and displayed as Messages grouped by sender/receiver. *-z* someipsd_entries,tree[,__filter__]:: Create statistic of SOME/IP-SD entries. Entries are counted and displayed as Entries grouped by sender/receiver. *-z* sv:: Print out the time since the start of the capture and sample count for each IEC 61850 Sampled Values packet. *-z* ucp_messages,tree[,__filter__]:: Calculate the message distribution of UCP packets. Displayed values are operation types for both operations and results, and whether results are positive or negative, with error codes displayed for negative results. *-z* wsp,stat[,__filter__]:: Count the PDU types and the status codes of reply packets for WSP packets. --capture-comment :: + -- Add a capture comment to the output file, if supported by the output file format. This option may be specified multiple times. Note that Wireshark currently only displays the first comment of a capture file. -- --list-time-stamp-types:: List time stamp types supported for the interface. If no time stamp type can be set, no time stamp types are listed. --time-stamp-type :: Change the interface's timestamp method. --update-interval :: Set the length of time in milliseconds between new packet reports during a capture. Also sets the granularity of file duration conditions. The default value is 100ms. --color:: Enable coloring of packets according to standard Wireshark color filters. On Windows colors are limited to the standard console character attribute colors. Other platforms require a terminal that handles 24-bit "true color" terminal escape sequences. See https://gitlab.com/wireshark/wireshark/-/wikis/ColoringRules for more information on configuring color filters. --no-duplicate-keys:: If a key appears multiple times in an object, only write it a single time with as value a json array containing all the separate values. (Only works with *-T json*) --elastic-mapping-filter ,,...:: + -- When generating the ElasticSearch mapping file, only put the specified protocols in it, to avoid a huge mapping file that can choke some software (such as Kibana). The option takes a list of wanted protocol abbreviations, separated by comma. Example: ip,udp,dns puts only those three protocols in the mapping file. -- --export-objects ,:: + -- Export all objects within a protocol into directory *destdir*. The available values for *protocol* can be listed with *--export-objects help*. The objects are directly saved in the given directory. Filenames are dependent on the dissector, but typically it is named after the basename of a file. Duplicate files are not overwritten, instead an increasing number is appended before the file extension. This interface is subject to change, adding the possibility to filter on files. -- --print-timers:: Output JSON containing elapsed times for each pass tshark does to process a capture file and the sum elapsed time for all passes. The per-pass output contains the total elapsed time and aggregate counters for per-packet operations (dissection and filtering). include::dissection-options.adoc[tags=**;!not_tshark] include::diagnostic-options.adoc[] == CAPTURE FILTER SYNTAX See the manual page of xref:https://www.tcpdump.org/manpages/pcap-filter.7.html[pcap-filter](7) or, if that doesn't exist, xref:https://www.tcpdump.org/manpages/tcpdump.1.html[tcpdump](8), or, if that doesn't exist, https://gitlab.com/wireshark/wireshark/-/wikis/CaptureFilters. == READ FILTER SYNTAX For a complete table of protocol and protocol fields that are filterable in *TShark* see the xref:wireshark-filter.html[wireshark-filter](4) manual page. == FILES These files contains various *Wireshark* configuration values. Preferences:: + -- The __preferences__ files contain global (system-wide) and personal preference settings. If the system-wide preference file exists, it is read first, overriding the default settings. If the personal preferences file exists, it is read next, overriding any previous values. Note: If the command line option *-o* is used (possibly more than once), it will in turn override values from the preferences files. The preferences settings are in the form __prefname:value__, one per line, where __prefname__ is the name of the preference and __value__ is the value to which it should be set; white space is allowed between *:* and __value__. A preference setting can be continued on subsequent lines by indenting the continuation lines with white space. A *#* character starts a comment that runs to the end of the line: # Capture in promiscuous mode? # TRUE or FALSE (case-insensitive). capture.prom_mode: TRUE The global preferences file is looked for in the __wireshark__ directory under the __share__ subdirectory of the main installation directory. On macOS, this would typically be __/Application/Wireshark.app/Contents/Resources/share__; on other UNIX-compatible systems, such as Linux, \*BSD, Solaris, and AIX, this would typically be __/usr/share/wireshark/preferences__ for system-installed packages and __/usr/local/share/wireshark/preferences__ for locally-installed packages; on Windows, this would typically be __C:\Program Files\Wireshark\preferences__. On UNIX-compatible systems, the personal preferences file is looked for in __$XDG_CONFIG_HOME/wireshark/preferences__, (or, if __$XDG_CONFIG_HOME/wireshark__ does not exist while __$HOME/.wireshark__ does exist, __$HOME/.wireshark/preferences__); this is typically __$HOME/.config/wireshark/preferences__. On Windows, the personal preferences file is looked for in __%APPDATA%\Wireshark\preferences__ (or, if %APPDATA% isn't defined, __%USERPROFILE%\Application Data\Wireshark\preferences__). -- Disabled (Enabled) Protocols:: + -- The __disabled_protos__ files contain system-wide and personal lists of protocols that have been disabled, so that their dissectors are never called. The files contain protocol names, one per line, where the protocol name is the same name that would be used in a display filter for the protocol: http tcp # a comment The global __disabled_protos__ file uses the same directory as the global preferences file. The personal __disabled_protos__ file uses the same directory as the personal preferences file. -- Name Resolution (hosts):: + -- If the personal __hosts__ file exists, it is used to resolve IPv4 and IPv6 addresses before any other attempts are made to resolve them. The file has the standard __hosts__ file syntax; each line contains one IP address and name, separated by whitespace. The same directory as for the personal preferences file is used. Capture filter name resolution is handled by libpcap on UNIX-compatible systems, such as Linux, macOS, \*BSD, Solaris, and AIX, and by Npcap or WinPcap on Windows. As such the Wireshark personal __hosts__ file will not be consulted for capture filter name resolution. -- Name Resolution (subnets):: + -- If an IPv4 address cannot be translated via name resolution (no exact match is found) then a partial match is attempted via the __subnets__ file. Each line of this file consists of an IPv4 address, a subnet mask length separated only by a / and a name separated by whitespace. While the address must be a full IPv4 address, any values beyond the mask length are subsequently ignored. An example is: # Comments must be prepended by the # sign! 192.168.0.0/24 ws_test_network A partially matched name will be printed as "subnet-name.remaining-address". For example, "192.168.0.1" under the subnet above would be printed as "ws_test_network.1"; if the mask length above had been 16 rather than 24, the printed address would be ``ws_test_network.0.1". -- Name Resolution (ethers):: + -- The __ethers__ files are consulted to correlate 6-byte hardware addresses to names. First the personal __ethers__ file is tried and if an address is not found there the global __ethers__ file is tried next. Each line contains one hardware address and name, separated by whitespace. The digits of the hardware address are separated by colons (:), dashes (-) or periods (.). The same separator character must be used consistently in an address. The following three lines are valid lines of an __ethers__ file: ff:ff:ff:ff:ff:ff Broadcast c0-00-ff-ff-ff-ff TR_broadcast 00.00.00.00.00.00 Zero_broadcast The global __ethers__ file is looked for in the __/etc__ directory on UNIX-compatible systems, such as Linux, macOS, \*BSD, Solaris, and AIX, and in the main installation directory (for example, __C:\Program Files\Wireshark__) on Windows systems. The personal __ethers__ file is looked for in the same directory as the personal preferences file. Capture filter name resolution is handled by libpcap on UNIX-compatible systems and Npcap or WinPcap on Windows. As such the Wireshark personal __ethers__ file will not be consulted for capture filter name resolution. -- Name Resolution (manuf):: + -- The __manuf__ file is used to match the 3-byte vendor portion of a 6-byte hardware address with the manufacturer's name; it can also contain well-known MAC addresses and address ranges specified with a netmask. The format of the file is the same as the __ethers__ files, except that entries of the form: 00:00:0C Cisco can be provided, with the 3-byte OUI and the name for a vendor, and entries such as: 00-00-0C-07-AC/40 All-HSRP-routers can be specified, with a MAC address and a mask indicating how many bits of the address must match. The above entry, for example, has 40 significant bits, or 5 bytes, and would match addresses from 00-00-0C-07-AC-00 through 00-00-0C-07-AC-FF. The mask need not be a multiple of 8. The __manuf__ file is looked for in the same directory as the global preferences file. -- Name Resolution (services):: + -- The __services__ file is used to translate port numbers into names. The file has the standard __services__ file syntax; each line contains one (service) name and one transport identifier separated by white space. The transport identifier includes one port number and one transport protocol name (typically tcp, udp, or sctp) separated by a /. An example is: mydns 5045/udp # My own Domain Name Server mydns 5045/tcp # My own Domain Name Server -- Name Resolution (ipxnets):: + -- The __ipxnets__ files are used to correlate 4-byte IPX network numbers to names. First the global __ipxnets__ file is tried and if that address is not found there the personal one is tried next. The format is the same as the __ethers__ file, except that each address is four bytes instead of six. Additionally, the address can be represented as a single hexadecimal number, as is more common in the IPX world, rather than four hex octets. For example, these four lines are valid lines of an __ipxnets__ file: C0.A8.2C.00 HR c0-a8-1c-00 CEO 00:00:BE:EF IT_Server1 110f FileServer3 The global __ipxnets__ file is looked for in the __/etc__ directory on UNIX-compatible systems, such as Linux, macOS, \*BSD, Solaris, and AIX, and in the main installation directory (for example, __C:\Program Files\Wireshark__) on Windows systems. The personal __ipxnets__ file is looked for in the same directory as the personal preferences file. -- == OUTPUT *TShark* uses UTF-8 to represent strings internally. In some cases the output might not be valid. For example, a dissector might generate invalid UTF-8 character sequences. Programs reading *TShark* output should expect UTF-8 and be prepared for invalid output. If *TShark* detects that it is writing to a TTY on a UNIX-compatible system, such as Linux, macOS, \*BSD, Solaris, and AIX, and the locale does not support UTF-8, output will be re-encoded to match the current locale. If *TShark* detects that it is writing to the console on Windows, dissection output will be encoded as UTF-16LE. Other output will be UTF-8. If extended characters don't display properly in your terminal you might try setting your console code page to UTF-8 (*chcp 65001*) and using a modern terminal application if possible. == ENVIRONMENT VARIABLES // Should this be moved to an include file? WIRESHARK_CONFIG_DIR:: This environment variable overrides the location of personal configuration files. On UNIX-compatible systems, such as Linux, macOS, \*BSD, Solaris, and AIX, it defaults to __$XDG_CONFIG_HOME/wireshark__ (or, if that directory doesn't exist but __$HOME/.wireshark__ does exist, __$HOME/.wireshark__); this is typically __$HOME/.config/wireshark__. On Windows, it defaults to __%APPDATA%\Wireshark__ (or, if %APPDATA% isn't defined, __%USERPROFILE%\Application Data\Wireshark__). Available since Wireshark 3.0. WIRESHARK_DEBUG_WMEM_OVERRIDE:: Setting this environment variable forces the wmem framework to use the specified allocator backend for *all* allocations, regardless of which backend is normally specified by the code. This is mainly useful to developers when testing or debugging. See __README.wmem__ in the source distribution for details. WIRESHARK_RUN_FROM_BUILD_DIRECTORY:: This environment variable causes the plugins and other data files to be loaded from the build directory (where the program was compiled) rather than from the standard locations. It has no effect when the program in question is running with root (or setuid) permissions on UNIX-compatible systems, such as Linux, macOS, \*BSD, Solaris, and AIX. WIRESHARK_DATA_DIR:: This environment variable causes the various data files to be loaded from a directory other than the standard locations. It has no effect when the program in question is running with root (or setuid) permissions on UNIX-compatible systems. WIRESHARK_EXTCAP_DIR:: This environment variable causes the various extcap programs and scripts to be run from a directory other than the standard locations. It has no effect when the program in question is running with root (or setuid) permissions on UNIX-compatible systems. WIRESHARK_PLUGIN_DIR:: This environment variable causes the various plugins to be loaded from a directory other than the standard locations. It has no effect when the program in question is running with root (or setuid) permissions on UNIX-compatible systems. ERF_RECORDS_TO_CHECK:: This environment variable controls the number of ERF records checked when deciding if a file really is in the ERF format. Setting this environment variable a number higher than the default (20) would make false positives less likely. IPFIX_RECORDS_TO_CHECK:: This environment variable controls the number of IPFIX records checked when deciding if a file really is in the IPFIX format. Setting this environment variable a number higher than the default (20) would make false positives less likely. WIRESHARK_ABORT_ON_DISSECTOR_BUG:: If this environment variable is set, *TShark* will call abort(3) when a dissector bug is encountered. abort(3) will cause the program to exit abnormally; if you are running *TShark* in a debugger, it should halt in the debugger and allow inspection of the process, and, if you are not running it in a debugger, it will, on some OSes, assuming your environment is configured correctly, generate a core dump file. This can be useful to developers attempting to troubleshoot a problem with a protocol dissector. WIRESHARK_ABORT_ON_TOO_MANY_ITEMS:: If this environment variable is set, *TShark* will call abort(3) if a dissector tries to add too many items to a tree (generally this is an indication of the dissector not breaking out of a loop soon enough). abort(3) will cause the program to exit abnormally; if you are running *TShark* in a debugger, it should halt in the debugger and allow inspection of the process, and, if you are not running it in a debugger, it will, on some OSes, assuming your environment is configured correctly, generate a core dump file. This can be useful to developers attempting to troubleshoot a problem with a protocol dissector. WIRESHARK_LOG_LEVEL:: This environment variable controls the verbosity of diagnostic messages to the console. From less verbose to most verbose levels can be `critical`, `warning`, `message`, `info`, `debug` or `noisy`. Levels above the current level are also active. Levels `critical` and `error` are always active. WIRESHARK_LOG_FATAL:: Sets the fatal log level. Fatal log levels cause the program to abort. This level can be set to `Error`, `critical` or `warning`. `Error` is always fatal and is the default. WIRESHARK_LOG_DOMAINS:: This environment variable selects which log domains are active. The filter is given as a case-insensitive comma separated list. If set only the included domains will be enabled. The default domain is always considered to be enabled. Domain filter lists can be preceded by '!' to invert the sense of the match. WIRESHARK_LOG_DEBUG:: List of domains with `debug` log level. This sets the level of the provided log domains and takes precedence over the active domains filter. If preceded by '!' this disables the `debug` level instead. WIRESHARK_LOG_NOISY:: Same as above but for `noisy` log level instead. == SEE ALSO xref:wireshark-filter.html[wireshark-filter](4), xref:wireshark.html[wireshark](1), xref:editcap.html[editcap](1), xref:https://www.tcpdump.org/manpages/pcap.3pcap.html[pcap](3), xref:dumpcap.html[dumpcap](1), xref:text2pcap.html[text2pcap](1), xref:mergecap.html[mergecap](1), xref:https://www.tcpdump.org/manpages/pcap-filter.7.html[pcap-filter](7) or xref:https://www.tcpdump.org/manpages/tcpdump.1.html[tcpdump](8) == NOTES This is the manual page for *TShark* {wireshark-version}. *TShark* is part of the *Wireshark* distribution. The latest version of *Wireshark* can be found at https://www.wireshark.org. HTML versions of the Wireshark project man pages are available at https://www.wireshark.org/docs/man-pages. == AUTHORS *TShark* uses the same packet dissection code that *Wireshark* does, as well as using many other modules from *Wireshark*; see the list of authors in the *Wireshark* man page for a list of authors of that code.