Re: No more DoS

From: David S. Miller (davem@redhat.com)
Date: Thu Dec 21 2000 - 23:53:13 EST


   From: Michael Peddemors <michael@linuxmagic.com>
   Date: Thu, 21 Dec 2000 20:20:06 -0800

> I think not holding onto any state for an incoming SYN is nothing but
> a dream in any serious modern TCP implementation. It can be reduced,
> but not eliminated. The former is what most modern stacks have done
> to fight these problems.

   A dream, maybe .... but hey so were most things that we now take for granted..
   Worth kicking around a bit tho...

At a minimum you have to remember the MSS value given by the remote
host in the initial SYN, it is impossible to avoid this and provide
a TCP implementation of any level of quality.

The foundations of this person's scheme simply cannot work.

Later,
David S. Miller
davem@redhat.com
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