full-disclosure - Does anyone know about TCP-Replay attacks?

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Message-ID: <D269C7CBDF116A48982D4DC51F111BE384397C@nsezhpmail01.india.ipolicynet.com>
From: rakumar at ipolicynetworks.com (Kumar,Ratna)
Subject: Does anyone know about TCP-Replay attacks?

there are many ways for ids evasion.

first of all,on what IDS system you are work????ing

-----Original Message-----
From: full-disclosure-bounces@...ts.grok.org.uk
[mailto:full-disclosure-bounces@...ts.grok.org.uk]On Behalf Of Vladamir
Sent: Tuesday, March 22, 2005 10:25 AM
To: ADT
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: [Full-disclosure] Does anyone know about TCP-Replay
attacks?


Actually I was wondering about the process of a TCP replay attack, I am 
aware of the program "TCP replay" I was hoping for information on IDS 
evasion techniques.

Sorry for the vagueness

ADT wrote:
> Hey Vladamir,
> 
> You're being a bit vague regarding your question.  When people talk
> about "tcp replay" attacks and testing an IDS they're usually asking
> about one of two things:
> 
> 1) how to use tcpreplay to test an IDS's detection abilities
> 
> or
> 
> 2) About breaking the tcp stream by injecting old/out of order/broken
> packets to try to evade an IDS
> 
> Perhaps you could give some context and better explain what you're
> trying to do?  Btw, if you want to learn about how to use tcpreplay,
> there is extensive documentation on the tcpreplay website.
> 
> -ADT
> 
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