Nmap Development: Re: Feature request : Nmap host and service mapping through a NAT router

From: R Anderson <listbox_at_pole-position.org>
Date: Sat, 09 Nov 2002 09:43:24 +0100

Mark Smith wrote:

> I would like to suggest an option in NMAP to detect when the payload IP
> header and outer IP headers don't match in the returned ICMP message,
> and then display the payload IP address in addition to the outer IP
> address.

This has similarities with my wish to detect when ICMP unreachables is
sent from intermediate routers and not the target. It has been discussed
a couple of times. Some reasons it isn't implemented:

a) My programming skills is just enough to make a PoC and I haven't
convinced anybody else to do it :)

b) We aren't sure how to put the info in the output. The human readable
that is. XML output is no problem.

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Received on Nov 09 2002