full-disclosure - defense against session hijacking

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From: dave at 0dayspray.com (David Maynor)
Subject: defense against session hijacking

On Mon, Nov 17, 2003 at 05:44:24PM -0500, Damian Gerow wrote:
> Thus spake David Maynor (dave@...yspray.com) [17/11/03 17:30]:
> > This would break things like NATed machines and such.
> 
> Could you explain how, please?
> 
> If machine A gets NATed to firewall B, and webserver C gets the session...
> It's going to record the address of firewall B, not machine A.  I fail to
> see how using the connection source's IP address would break NAT.*  And I
> don't know what you mean by 'and such'.
> 
You assume a straight 1 to 1 natting, that is not always the case.