Hi Alexey.
Are you running Nmap from a machine inside your firewall? Perhaps the
same machine which is running the services?
Very few firewall implementations block localhost.
-Jay Stapleton.
-----Original Message-----
From: Alexey Eremenko [mailto:al4321@gmail.com]
Sent: Wednesday, April 12, 2006 2:24 PM
To: security-basics@securityfocus.com
Subject: how nmap can know my firewalled servers ?
Hi all !
I know that "nmap" can show open ports. But nmap also shows my
firewalled ports !
How?
Since some servers (like apache) are firewalled with iptables, how can
nmap know wherever
my system run the service with open port, filtered port or doesn't run
it at all ?
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