diff options
Diffstat (limited to 'src/dnscap.1.in')
| -rw-r--r-- | src/dnscap.1.in | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/src/dnscap.1.in b/src/dnscap.1.in index 82a44fd..f33fcfc 100644 --- a/src/dnscap.1.in +++ b/src/dnscap.1.in @@ -1,4 +1,4 @@ -.\" Copyright (c) 2016-2021, OARC, Inc. +.\" Copyright (c) 2016-2022, OARC, Inc. .\" All rights reserved. .\" .\" Redistribution and use in source and binary forms, with or without @@ -212,9 +212,17 @@ Can be given as "\-" to indicate standard input. .TP .BI "\-i " if Select an interface to be monitored. + On BSD systems, the default is the first interface that was configured at system boot time. -On Linux systems, the default is to monitor all interfaces. + +On Linux systems, the default might be to monitor all interfaces but most +commonly it will also capture on the first interface. +This depends on the libpcap version. + +If you want to make sure you're capturing on all interfaces then use the +special "any" or "all" (depends on system). + More than one interface may be selected which will cause output to be interleaved from all selected interfaces. .TP |