Re: All tcp ports open?
From: Bill Burge (bill_at_burge.com)
Date: 08/29/04
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Date: Sun, 29 Aug 2004 10:10:09 -0700 To: "Ben Timby" <asp@webexc.com>, pen-test@securityfocus.com
I have seen this strange behavior from an Alteon loadbalancer...
bb
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On 8/29/2004 at 2:04 AM Ben Timby wrote:
>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?
>
>Thanks.
>
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guaranteed to be 12 students or less to facilitate one-on-one interaction
with one of our expert instructors. Check out our Advanced Hacking course,
learn to write exploits and attack security infrastructure. Attend a course
taught by an expert instructor with years of in-the-field pen testing
experience in our state of the art hacking lab. Master the skills of an
Ethical Hacker to better assess the security of your organization.
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