Re: All tcp ports open?

From: dreamwvr@dreamwvr.com
Date: Sun Aug 29 2004 - 11:13:34 EDT


On Sun, Aug 29, 2004 at 02:04:08AM -0500, Ben Timby wrote:
[...]
> 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?
I seem to recall that milky ways FW behaved that way.
It has been a long time so maybe someone else can confirm.
Then there are ways for a make believe windows server
to do that too. Maybe a honeypot or even a portsentry
like software written to listen on all ports in services.
(But not respond per each ports proto requirements.)

HIH
Best Regards,
dreamwvr@dreamwvr.com

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