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Date:      Mon, 22 Feb 1999 22:46:55 -0800 (PST)
From:      Archie Cobbs <archie@whistle.com>
To:        jonny@jonny.eng.br (Joao Carlos Mendes Luis)
Cc:        wes@softweyr.com, net@FreeBSD.ORG
Subject:   Re: IP frags from wcarchive ???
Message-ID:  <199902230646.WAA53266@bubba.whistle.com>
In-Reply-To: <199902230128.WAA12363@roma.coe.ufrj.br> from Joao Carlos Mendes Luis at "Feb 22, 99 10:28:33 pm"

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Joao Carlos Mendes Luis writes:
> What would you suggest to my firewall, then ?  Allow TCP fragment
> packets, even without knowing its port endpoints ?  Is this completely
> safe ?

It's always safe to allow fragments, as long as you properly
filter the first fragment, assuming the target machine doesn't
contain som inane bug. Any packet that arrives missing its
first fragment will eventually get dropped.

-Archie

___________________________________________________________________________
Archie Cobbs   *   Whistle Communications, Inc.  *   http://www.whistle.com


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