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To: Emil Cazamir <emil.cazamir@galati.rdsnet.ro>
In-reply-to: Your message of "Mon, 07 Feb 2005 12:54:47 +0200."
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Date: Mon, 07 Feb 2005 12:09:08 +0000
From: David Malone <dwmalone@maths.tcd.ie>
Message-ID: <200502071209.aa89005@salmon.maths.tcd.ie>
cc: freebsd-bugs@FreeBSD.org
Subject: Re: kern/76966: udp/520 reply packets when routed is not running 
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> There is no problem with the netmask, there are several subnets sharing the
> same wire. I lokked into few kernel config files and I didn't found anything
> specific. I think that the cause of what's happening is somewhere in
> natd/libalias, all the machines which respond to [or  forward] udp/520
> packets are running natd. I will make available kernel config files, process
> listings, etc if it is required.

OK - that probably explains how the source address of the packet
was changed. I can suggest two things that might be useful. First,
if you could check with tcpdump -X that the payloads of the packets
look identical. Second, it might be worth posting your natd/libalias
config.

	David.