RE: All tcp ports open?

From: Massimo Cetra (mcetra@navynet.it)
Date: Sun Aug 29 2004 - 10:10:08 EDT


> I am not sure what is doing this, but I assume it is a
> software (or some
> kind of) firewall/hids, can anybody point me in the right direction?
>
> I am pen-testing a Windows webserver, and a port scan reveals ALL tcp
> ports open. hping also confirms that a SA is returned for any
> S packets
> sent to any port I try. I can connect via netcat any of the
> ports, and
> send data, but nothing is returned. In order to verify services, I am
> required to connect and check for a banner or send
> appropriate protocol
> commands to elicit a response.
>
> Has anyone seen this, or have any idea of what this is?

http://www.iptables.org/patch-o-matic/pom-extra.html#pom-extra-TARPIT

This is for Linux but may help you finding more informations.

Max

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