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Date:      Fri, 4 Sep 1998 15:00:05 +0200
From:      Jos Backus <Jos.Backus@nl.origin-it.com>
To:        freebsd-current@FreeBSD.ORG
Subject:   Re: Should FreeBSD-3.0 ship with RFC 1644 (T/TCP) turned off by default?
Message-ID:  <19980904150005.A20876@hal.mpn.cp.philips.com>
In-Reply-To: <22672.904908183@verdi.nethelp.no>; from sthaug@nethelp.no on Fri, Sep 04, 1998 at 01:23:03PM %2B0200
References:  <22672.904908183@verdi.nethelp.no>

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> Date: Fri, 4 Sep 1998 07:04:33 -0400 (EDT)
> Message-Id: <199809041104.HAA10917@lunacity.ne.mediaone.net>
> From: "Charles M. Hannum" <mycroft@mit.edu>
> To: "W. Richard Stevens" <rstevens@kohala.com>
> Cc: perry@piermont.com, Mohit Aron <aron@cs.rice.edu>,
>         tcp-impl@cthulhu.engr.sgi.com (TCP Implementor's List)
> Subject: Re: status of T/TCP

> The problems related to SYN flooding and sequence number attacks have
> never been addressed
[massive snippage]

How about using syncookies?

(See ftp://koobera.math.uic.edu/pub/docs/syncookies-archive for a discussion.)

-- 
Jos Backus                          _/  _/_/_/    "Reliability means never
                                   _/  _/   _/     having to say you're sorry."
                                  _/  _/_/_/               -- D. J. Bernstein
                             _/  _/  _/    _/
Jos.Backus@nl.origin-it.com  _/_/   _/_/_/        use Std::Disclaimer;

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