[47584] in North American Network Operators' Group

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Re: Effective ways to deal with DDoS attacks?

daemon@ATHENA.MIT.EDU (Valdis.Kletnieks@vt.edu)
Mon May 6 19:37:20 2002

Message-Id: <200205062334.g46NYdQn027813@foo-bar-baz.cc.vt.edu>
To: Ralph Doncaster <ralph@istop.com>
Cc: nanog@merit.edu
In-Reply-To: Your message of "Mon, 06 May 2002 19:04:11 EDT."
             <Pine.LNX.4.21.0205061903001.627-100000@cpu1693.adsl.bellglobal.com> 
From: Valdis.Kletnieks@vt.edu
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Date: Mon, 06 May 2002 19:34:39 -0400
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On Mon, 06 May 2002 19:04:11 EDT, Ralph Doncaster said:

> IP Tunneling - it often makes more sense to send packets out that have a
> source address reachable only through the tunnel.

But aren't those source addresses hidden *inside* the encapsulation, and
what's visible to routers are the source/dest IPs of the tunnel itself?


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