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Diffstat (limited to 'man5/protocols.5')
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diff --git a/man5/protocols.5 b/man5/protocols.5 new file mode 100644 index 0000000..7939407 --- /dev/null +++ b/man5/protocols.5 @@ -0,0 +1,66 @@ +.\" Copyright (c) 1995 Martin Schulze <joey@infodrom.north.de> +.\" +.\" SPDX-License-Identifier: GPL-2.0-or-later +.\" +.\" 1995-10-18 Martin Schulze <joey@infodrom.north.de> +.\" * first released +.\" 2002-09-22 Seth W. Klein <sk@sethwklein.net> +.\" * protocol numbers are now assigned by the IANA +.\" +.TH protocols 5 2022-10-30 "Linux man-pages 6.05.01" +.SH NAME +protocols \- protocols definition file +.SH DESCRIPTION +This file is a plain ASCII file, describing the various DARPA internet +protocols that are available from the TCP/IP subsystem. +It should be +consulted instead of using the numbers in the ARPA include files, or, +even worse, just guessing them. +These numbers will occur in the +protocol field of any IP header. +.PP +Keep this file untouched since changes would result in incorrect IP +packages. +Protocol numbers and names are specified by the IANA +(Internet Assigned Numbers Authority). +.\" .. by the DDN Network Information Center. +.PP +Each line is of the following format: +.PP +.RS +.I protocol number aliases ... +.RE +.PP +where the fields are delimited by spaces or tabs. +Empty lines are ignored. +If a line contains a hash mark (#), the hash mark and the part +of the line following it are ignored. +.PP +The field descriptions are: +.TP +.I protocol +the native name for the protocol. +For example +.IR ip , +.IR tcp , +or +.IR udp . +.TP +.I number +the official number for this protocol as it will appear within the IP +header. +.TP +.I aliases +optional aliases for the protocol. +.PP +This file might be distributed over a network using a network-wide +naming service like Yellow Pages/NIS or BIND/Hesiod. +.SH FILES +.TP +.I /etc/protocols +The protocols definition file. +.SH SEE ALSO +.BR getprotoent (3) +.PP +.UR http://www.iana.org\:/assignments\:/protocol\-numbers +.UE |