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Date:      Tue, 21 May 1996 16:53:47 -0400
From:      Garrett Wollman <wollman@lcs.mit.edu>
To:        Poul-Henning Kamp <phk@critter.tfs.com>
Cc:        current@freebsd.org
Subject:   Re: freebsd + synfloods + ip spoofing 
Message-ID:  <9605212053.AA01868@halloran-eldar.lcs.mit.edu>
In-Reply-To: <207.832711909@critter.tfs.com>
References:  <9605211527.AA32609@halloran-eldar.lcs.mit.edu> <207.832711909@critter.tfs.com>

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<<On Tue, 21 May 1996 20:51:49 +0000, Poul-Henning Kamp <phk@critter.tfs.com> said:

>> > For kicks some time ago I built a spoofer and I can tell you this much,
>> > creating at least a pseudo-random number generator for sequencing will stop
>> > a large # of the spoofers.
>> 
>> Which is why this was introduced in FreeBSD many months ago.

> Well, we don't use it for TCP yet do we ?

What do you think I just said?  Take a moment to examine tcp_iss in
the debugger...

-GAWollman

--
Garrett A. Wollman   | Shashish is simple, it's discreet, it's brief. ... 
wollman@lcs.mit.edu  | Shashish is the bonding of hearts in spite of distance.
Opinions not those of| It is a bond more powerful than absence.  We like people
MIT, LCS, ANA, or NSA| who like Shashish.  - Claude McKenzie + Florent Vollant



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