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Re: ipfilter in openbsd 2.4

To: Tomaz Borstnar <tomaz.borstnar@over.net>, tech@openbsd.org
Subject: Re: ipfilter in openbsd 2.4
From: Kjell Wooding <kwooding@codetalker.com>
Date: Mon, 15 Mar 1999 16:58:05 -0700
Cc: avalon@coombs.anu.edu.au
References: <87ogluya9t.fsf@bofh.ucs.ualberta.ca>

>	I have OpenBSD -current from end of October 98 and kernel from 9.12.1998
>running on sparc 20. I was wondering how it is possible for tcpdump to
>still see icmp messages if they're blocked:

I presume bpf hands the packets off to tcpdump before they are processed by any other part of the stack, ipfilter included.

>p.s.
>Which version of ipfilter is in latest sources of OpenBSD?

3.2.9 is in 2.4
3.2.10p1 is in current (will be in 2.5)

References:
- mac68k snapshot
  - From: Bob Beck <beck@bofh.ucs.ualberta.ca>
- ipfilter in openbsd 2.4
  - From: Tomaz Borstnar <tomaz.borstnar@over.net>

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