XMAS packets are definet as packets having all the flags set.

SYN FIN ACK URG RST PSH 

This is not a valid packet. Therefore it should be dropped. It's mainly
used by nmap to penetrate fw rules and scan TCP port.

        



        Martin Motycka
        IT manager
        Movys a.s.
        
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED]] On Behalf Of Carlos Alberto
Pelaez
Sent: Thursday, October 11, 2001 6:21 PM
To: [EMAIL PROTECTED]
Subject: Help


Hello my friends,
I need to have a list of all companies and Universitys of the world that
uses iptables for a security solution of firewall.
Actually, my company search a comercial solution for the security, but
my
wish is to use iptables. Please help me with this dear friends, and
sorry by
my english.
What is XMAS packets ???


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