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Hiding information from nmap
Authored by: scaryfish on Mar 18, '03 03:24:22PM
I've found that if you do this, it bypasses your firewall. By default, it's set up to allow loopback connections, which is what you're doing when you use 127.0.0.1 - and if I do this, all my ports show up.

If, however, I get my external ip and try scanning that, I don't get anything - not even the ICMP ping gets through.

Also, Snort tells me someone's trying to portscan me :) (as well as complaining that there are packets going out with the same source and destination)

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