From: Michael Burns (burnsey@sp-uk.com)
Date: Wed Feb 04 2004 - 06:43:10 EST
Sorry for the confusion, I was meaning the IP header and not TCP header
as we are working with the ESP protocol type.
Regards
Mike
-----Original Message-----
From: ucanBbreached [mailto:ucanbbreached@cox.net]
Sent: 04 February 2004 04:24
To: Michael Burns; pen-test@securityfocus.com
Subject: RE: TCP Header manipulation of the protocol field
Don't know what you are really doing with TCP and ESP. If ESP you are
using
is a proprietary protocol then disregard following.
ESP is used for encryption in the IPSec stack. IPSec does not utilize
TCP,
it uses the IP protocol and the UDP protocol if using IKE (ISAKMP). you
might want to know something different for a reason I am not aware of,
so
smack me if above was common knowledge for you.
James
-----Original Message-----
From: Michael Burns [mailto:mburns@sp-uk.com]
Sent: Friday, January 30, 2004 11:09 AM
To: pen-test@securityfocus.com
Subject: TCP Header manipulation of the protocol field
Hi Guys,
Sorry for this kind of request (well not really, not if I get the
answer). I need to manipulate the protocol field of a TCP session to
test for IP protocol filtering across a non-managed link. This is
predominantly to help test/prove filtering in place when running ESP.
I simply need to get a pointer to somewhere to look up as I've hit a
brick wall at the minute.
Predominantly the test environment will be from Windows platforms but
can also be from Linux.
Cheers,
Mike
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