Date: Mon, 07 Feb 2005 12:09:08 +0000 From: David Malone <dwmalone@maths.tcd.ie> To: Emil Cazamir <emil.cazamir@galati.rdsnet.ro> Cc: freebsd-bugs@FreeBSD.org Subject: Re: kern/76966: udp/520 reply packets when routed is not running Message-ID: <200502071209.aa89005@salmon.maths.tcd.ie> In-Reply-To: Your message of "Mon, 07 Feb 2005 12:54:47 %2B0200." <20050207105106.5D610B538F@main.galati.rdsnet.ro>
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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.
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