From owner-freebsd-hackers  Tue Dec  1 10:28:17 1998
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From: Luigi Rizzo <luigi@labinfo.iet.unipi.it>
Message-Id: <199812011619.RAA02622@labinfo.iet.unipi.it>
Subject: Re: TCP bug
To: nate@mt.sri.com (Nate Williams)
Date: Tue, 1 Dec 1998 17:19:23 +0100 (MET)
Cc: hackers@FreeBSD.ORG
In-Reply-To: <199812011811.LAA00104@mt.sri.com> from "Nate Williams" at Dec 1, 98 11:11:16 am
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> In trying to track down why some boxes in my network can't connect to
> certain WWW hosts, I determined that my FreeBSD is not routing the
> packets for some reason.  It's receiving them, and the firewall code
> *thinks* it's passing them on, but tcpdump doesn't see these packets go
> out on the wire.

just to understand, what is the problem related to ?
TCP as you say in the Subject, or IP (routing), or firewall ?
Have you tried what happens by opening the firewall ?

> Any clues?  A number of FreeBSD boxes in my net have this problem, so it
> would be nice to get this resolved.  Note, I have Route-discovery ICMP

btw: do the offending packets carry IP/TCP options by chance ? Just to
have an idea what to look at in the code.

	luigi

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