diff options
| author |   lteo <lteo@openbsd.org> | 2013-07-10 03:08:58 +0000 |
|---|---|---|
| committer | lteo <lteo@openbsd.org> | 2013-07-10 03:08:58 +0000 |
| commit | 9b75ec8e4f65f3ec0ba8892bc2acee737b991a7f (patch) | |
| tree | f17ab58716d11dc256f78a9a24f5b5b5fe3cb5b8 /usr.sbin/tcpdump/tcpdump.8 | |
| parent | struct bintime is only used inside the kernel, while struct clockinfo is (diff) | |
| download | wireguard-openbsd-9b75ec8e4f65f3ec0ba8892bc2acee737b991a7f.tar.xz wireguard-openbsd-9b75ec8e4f65f3ec0ba8892bc2acee737b991a7f.zip | |
In the EXAMPLES section, it is not very obvious that "localnet" is not a
literal argument name due to lack of formatting, so replace it with an
example network to make it clearer (discussed with and suggested by jmc@).
While here, fix some style nits in a sentence to make it consistent with
the other examples.
ok jmc
Diffstat (limited to 'usr.sbin/tcpdump/tcpdump.8')
| -rw-r--r-- | usr.sbin/tcpdump/tcpdump.8 | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/usr.sbin/tcpdump/tcpdump.8 b/usr.sbin/tcpdump/tcpdump.8 index ee40633afa9..43e9c22be62 100644 --- a/usr.sbin/tcpdump/tcpdump.8 +++ b/usr.sbin/tcpdump/tcpdump.8 @@ -1,4 +1,4 @@ -.\" $OpenBSD: tcpdump.8,v 1.79 2012/09/26 16:19:45 jmc Exp $ +.\" $OpenBSD: tcpdump.8,v 1.80 2013/07/10 03:08:58 lteo Exp $ .\" .\" Copyright (c) 1987, 1988, 1989, 1990, 1991, 1992, 1994, 1995, 1996 .\" The Regents of the University of California. All rights reserved. @@ -19,7 +19,7 @@ .\" WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF .\" MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. .\" -.Dd $Mdocdate: September 26 2012 $ +.Dd $Mdocdate: July 10 2013 $ .Dt TCPDUMP 8 .Os .Sh NAME @@ -1012,20 +1012,21 @@ To print all FTP traffic through internet gateway snup: .Pp .Dl # tcpdump 'gateway snup and (port ftp or ftp-data)' .Pp -To print traffic neither sourced from nor destined for local hosts -(if you gateway to one other net, this stuff should never make it onto -your local net): +To print traffic neither sourced from nor destined for local network +192.168.7.0/24 (if you gateway to one other net, this stuff should +never make it onto your local network): .Pp -.Dl # tcpdump ip and not net localnet +.Dl # tcpdump ip and not net 192.168.7.0/24 .Pp To print the start and end packets .Pq the SYN and FIN packets -of each TCP connection that involves a non-local host: +of each TCP connection that involves a host that is not in local +network 192.168.7.0/24: .Bd -literal -offset indent -# tcpdump 'tcp[13] & 3 != 0 and not src and dst net localnet' +# tcpdump 'tcp[13] & 3 != 0 and not src and dst net 192.168.7.0/24' .Ed .Pp -To print only the SYN packets of http connections +To print only the SYN packets of HTTP connections: .Pp .Dl # tcpdump 'tcp[tcpflags] = tcp-syn and port http' .Pp |