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caveat: tcp[0] does not match IPv6 packets.

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itojun 2000-01-29 16:39:27 +00:00
parent 2eddbbb58b
commit 8cf2e80eed
1 changed files with 5 additions and 1 deletions
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tcpdump.1
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@ -1,4 +1,4 @@
.\" @(#) $Header: /tcpdump/master/tcpdump/Attic/tcpdump.1,v 1.74 2000-01-27 23:53:50 fenner Exp $ (LBL)
.\" @(#) $Header: /tcpdump/master/tcpdump/Attic/tcpdump.1,v 1.75 2000-01-29 16:39:27 itojun Exp $ (LBL)
.\"
.\" Copyright (c) 1987, 1988, 1989, 1990, 1991, 1992, 1994, 1995, 1996, 1997
.\" The Regents of the University of California. All rights reserved.
@ -1395,3 +1395,7 @@ do not properly match the filter expression.
should chase header chain, but at this moment it does not.
.BR "ip6 protochain"
is supplied for this behavior.
.LP
Arithmetic expression against transport layer headers, like \fBtcp[0]\fP,
does not work against IPv6 packets.
It only looks at IPv4 packets.