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From: "Taylor, Grant" <gtaylor@riverviewtech.net>
To: netfilter@lists.netfilter.org
Subject: Re: Prevent traceroutes
Date: Fri, 20 May 2005 14:03:47 -0500	[thread overview]
Message-ID: <428E3493.4040505@riverviewtech.net> (raw)
In-Reply-To: <Pine.LNX.4.61.0505201443170.8116@e-smith.charlieb.ott.istop.com>

> Why is filtering in -t mangle not also poor form?

I believe that you are really suppose to do the filtering in the filter table.  But seeing as how the kernel will respond to the traceroute packet that comes in before the rules in the filter table could DROP the packet we have to do this filtering elsewhere to beat the kernel to the punch.  Jason, do you have any additional comments / corrections?



Grant. . . .


  reply	other threads:[~2005-05-20 19:03 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2005-05-19 22:07 Prevent traceroutes Kenneth Kalmer
2005-05-19 23:23 ` Jason Opperisano
2005-05-19 23:33   ` Jason Opperisano
2005-05-20  6:39     ` Taylor, Grant
2005-05-20  7:44       ` Taylor, Grant
2005-05-20 15:20         ` Jason Opperisano
2005-05-20 15:34           ` Taylor, Grant
2005-05-20 18:44           ` Charlie Brady
2005-05-20 19:03             ` Taylor, Grant [this message]
2005-05-20 19:37               ` Jason Opperisano
2005-05-23  7:01                 ` Jozsef Kadlecsik
2005-05-20  8:01       ` Kenneth Kalmer
2005-05-20  1:12 ` Sertys
2005-05-20 19:17 ` Sebastian Siewior

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