Other possible protection against RST/SYN attacks (was Re: TCP RST attack

E.B. Dreger eddy+public+spam at noc.everquick.net
Wed Apr 21 15:03:30 PDT 2004


GC> Date: Wed, 21 Apr 2004 17:59:51 -0400
GC> From: Gary Corcoran


GC> In any event, it still seems like 255 is overkill for this
GC> application...

It isn't.  Say you assumed TTL 128 instead of 255; received
packets should have a TTL of 127.  If I'm eleven hops away
instead of one, I'll select a TTL of 138 to have the desired
effect.


Eddy
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