google up arp-sk, use it to modify the arp tables in switch and play with him a bit :)
-Joshua > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:owner-freebsd- > [EMAIL PROTECTED] On Behalf Of Mike Hernandez > Sent: Wednesday, September 07, 2005 10:26 AM > To: [EMAIL PROTECTED] > Subject: Re: port scanning and hidden servers > > If you ask him not to do so, then you know who he is, correct? The > best way to prevent him from continuing is to deny him access to the > network. AFAIK there is no way to block a scan, though you could > close ports and otherwise secure your systems so that the scans won't > produce any helpful information? Hiding a server wont help much, nmap > can scan blocks of IP's. If the servers aren't on the same network as > your users they can't be scanned easily, but that might complicate > your setup. > > IMHO, revoke the user's permission to access the network, or bring up > the issue with someone who has the authority to do so. > > Mike > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" _______________________________________________ freebsd-questions@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"