Net filtering puzzle

Dennis Kaarsemaker dennis at
Thu Jun 9 14:17:19 UTC 2005

On do, 2005-06-09 at 16:01 +0200, Dennis Kaarsemaker wrote:
> * Even nmap shows these ports as filtered

nmap $ip from another machine show filtered
nmap $ip from the machine itself shows open.

This indicates to me that the filtering is done outside the machien
self, is this correct?
Dennis K.
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