test firewall with nmap

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On Wednesday 30 October 2002 11:38, Ben Tan wrote:
> hi,
>     I used nmap -v -sS -O xxx.xxx.xxx.xxx to check for any open ports, =
it
> it enough?
>
>     Any tool to recommend?

that only scans for open TCP ports
you should probably do -sU (udp), -sA (ack) scans (to bypass some bad=20
filters), and perhaps -sO (protocol scans)

--=20
Roy Sigurd Karlsbakk, Datavaktmester
ProntoTV AS - http://www.pronto.tv/
Tel: +47 9801 3356

Computers are like air conditioners.
They stop working when you open Windows.




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