Hello,
thanks for Your answer.
So here are some more information:
I'am trying to scan the firewall (Watchguard X700) of my company from home for
securityreasons. So I know which ports are open, because I'am administering the
firewall.
I use the BackTrack 3.0 (remote-exploit.org) live linux cd. This is based on
slackware. Kernel 2.6.156. with Nmap 4.03.
On the Watchguard X700 all intrusion prevention features are disabled. So
"Block SYN Flod Attacks" is also disabled. The firewall is not blocking me
because I can do normal Connect() scans after a SYN-Scan and with the Connect()
scan the open ports 80 and 443 are correctly found.
Maybe VM-Ware (Windows) is the reason? I've run BackTrack in a vm (direckt
access to nic) under Windows. What I will try this evening is to boot the
notebook directly with the BackTrack-CD and connecting directly with my ISP.
Then performing a SYN-Scan again. Maybe then I will get better results.
I will then post my result here.
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