Re: TCP/IP offload: security implications

From: Barry Margolin (barmar@genuity.net)
Date: 02/28/02


From: Barry Margolin <barmar@genuity.net>
Date: Thu, 28 Feb 2002 19:25:52 GMT

In article <a5luea$hil$1@sapa.inka.de>,
Bernd Eckenfels <ecki-news2002-02@lina.inka.de> wrote:
>In comp.security.misc Richard Masoner <nospam@masoner.net> wrote:
>> I did receive one response from a developer familiar with these
>> devices saying that if the state machines get stuck, then it's a
>> simple matter to just reset everything and go on your way. I didn't
>> ask if you lose your TCP session when that happens.
>
>You do not lose TCP Sessions if IP Packets gets dropped. Or do you think those
>cards do TCP Sockets, too?

One of his messges said that it does "TCP segmentation and reassembly", so
it sure sounds like the card handles part of the TCP layer.

-- 
Barry Margolin, barmar@genuity.net
Genuity, Woburn, MA
*** DON'T SEND TECHNICAL QUESTIONS DIRECTLY TO ME, post them to newsgroups.
Please DON'T copy followups to me -- I'll assume it wasn't posted to the group.



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