port scanning and hidden servers
Denny Jodeit
denny at jodeit.com
Wed Sep 7 08:31:03 PDT 2005
>
> Hello:
>
> I have a user on my network with a Linux box that is
> performing a port scan on all the computers in my network
> manually. He's doing this 'because he can'. Although I've
> asked him not to, he continues to do so.
>
> 1) How can I block or inhibit port scans launched against my
> freeBSD servers from within my network?
>
> 2) How can I 'hide' my freeBSD servers from users on the
> network? (If they can't see them, then they don't know to
> scan them.)
>
> Thanks in advance.
>
> Harold
Try portsentry in conjunction with logcheck, both are in the ports.
D.
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