* test firewall with nmap
@ 2002-10-30 10:38 Ben Tan
2002-10-30 13:53 ` Roy Sigurd Karlsbakk
0 siblings, 1 reply; 2+ messages in thread
From: Ben Tan @ 2002-10-30 10:38 UTC (permalink / raw)
To: netfilter
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hi,
I used nmap -v -sS -O xxx.xxx.xxx.xxx to check for any open ports, it it enough?
Any tool to recommend?
cheers
ben
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^ permalink raw reply [flat|nested] 2+ messages in thread* Re: test firewall with nmap
2002-10-30 10:38 test firewall with nmap Ben Tan
@ 2002-10-30 13:53 ` Roy Sigurd Karlsbakk
0 siblings, 0 replies; 2+ messages in thread
From: Roy Sigurd Karlsbakk @ 2002-10-30 13:53 UTC (permalink / raw)
To: Ben Tan, netfilter
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
filters), and perhaps -sO (protocol scans)
--
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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