nmap weirdness?

Net Llama! netllama
Thu Jan 13 22:54:41 PST 2005


On 01/13/2005 07:47 PM, Michael Hipp wrote:
> I'm experimenting with a new firewall setup on one of my machines and 
> trying to check it with nmap.
> 
> When I do 'nmap a.b.c.d' it says everything is closed or filtered which 
> I know is wrong since I can ssh into port 22.
> 
> When I do 'nmap -p 22 a.b.c.d' it says 22 is open. True.
> 
> When I do 'nmap -p 1-100 a.b.c.d.' it says they are all filtered or closed.
> 
> Is this normal behavior for nmap?
> 
> The host doing the scanning is behind a NAT - does that matter?

prolly.

try:
nmap -sT a.b.c.d

-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
L. Friedman                       	       netllama at linux-sxs.org
Linux Step-by-step & TyGeMo: 		    http://netllama.ipfox.com

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