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Vulnerability Development: Re: Firewall bypassing tool

Re: Firewall bypassing tool

From: Frank Knobbe <fknobbe_at_knobbeits.com>
Date: 03 Nov 2002 17:02:49 -0600

On Fri, 2002-11-01 at 13:38, Michael Katz wrote:
> At 11/1/2002 03:28 AM, d_fence wrote:
> This seems too obvious, but....
>
> How about Fyodor's nmap? You can obtain it from http://www.insecure.org/nmap.
>
> One of the options for scanning is -sF, which will send SYN-FIN
> packets. You can also use -sA, which will send SYN-ACK packets.

I was about to post the same, but thought I validate first. To me it
seemed that nmap sends a packet with the FIN flag set. I did not see the
SYN flag set in addition to FIN, so nmap is not an answer to his
question.

Regards,
Frank

Received on Nov 04 2002
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