limiting icmp unreach

[admin]

On Sat, 3 May 2003 20:19:26 -0300 (ART), Fernando Gleiser wrote
> On Sat, 3 May 2003, admin wrote:
> 
> >
> >
> > running 4.7 stable
> >
> >  can somebody possibly tell me what would create the following condition in
> > the /var/log/messages
> 
> Someone may be portscaning you, or if the machine is a gateway, it 
> may have some conectivity problems.
> 


is there a good program out there to identify who is portsacnning me?
links for proper configuration would be nice too.

Thanks so much in advance.


=- Noah



> 			Fer


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