Re: NAT is present?

[Cedric Blancher <blancher () cartel-securite fr>]

Le samedi 10 septembre 2005 à 09:00 +0000, pinoch0 () gmail com a écrit :
> All the host of the subnet seems to have http and https open but when
> i try to connect to it a lot of then donŽt back a response.
> I thing that the .1 (seems to be a router) have NAT and open http and
> https por all the hosts (up or down) .

Try different TCP traceroutes to router and hosts to maybe see some
differences that could indicate a NAT.

See (for what it's worth) end of page 5 and illustration page 6 of what
gives a destination NAT to a TCP traceroute.

        http://sid.rstack.org/articles/0309_MISC_Traceroute_en.pdf


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