full-disclosure - Re: Crafted SYN Packets...

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Message-ID: <473A276F.10000@snosoft.com>
Date: Tue, 13 Nov 2007 17:38:39 -0500
From: Simon Smith <simon@...soft.com>
To: Kelly Robinson <caliana1989@...il.com>
Cc: full-disclosure@...ts.grok.org.uk
Subject: Re: Crafted SYN Packets...

Kelly,
	SYN packets and ports do not correlate. And yes, SYN is TCP. You should
read up on TCP/IP etc so that you understand protocols before posting to
mailing lists.

Kelly Robinson wrote:
> Looking at some suspicious behaviour in our logs...
>  
> If someone sends a packet with the SYN bit set to a host, typically what
> is the client's source port? Or is that crafted too?
>  
> And additionally, when a client does sent a packet of this type, am I
> right in assuming its generally TCP only? Can you have a UDP SYN packet?
> I assume because its connectionless, no???
> 
> 
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-- 

- simon

----------------------
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