Assuming that 1) you're HOME_NET variable is set correctly, and 2) your sensor is properly placed on a monitoring port on your switch, then snort should detect nmap scans destined for any machine within the HOME_NET scope.

And you can start snort from the command line and see which include files are loading, as well as the total number of rules loaded at initialization.

Cheers

Keith

-----Original Message-----
From: Emanuele Salvador [mailto:leleprofim.florida.it]
Sent: Friday, May 03, 2002 11:25 AM
To: snort-userslists.sourceforge.net
Subject: [Snort-users] As a newbie, two questions

I recently installed on a Linux box (Redhat 7.2) snort and acid, following
the instructions (kindly provided on
http://www.sfhn.net/whites/snort_acid-rpm.html) by Mr. Mark Johnson.

The installation went straightforward and everything seems to work. But...

1) snort seems to detect portscans from nmap only on the host where snort
runs. Is this a normal behaviour? It is not clear for me if snort should
detect portscans on all the net (or if it should not detect portscans at
all).

2) I've not been able to verify if my snort.conf loads correctly. Is there
a way to see what rules are loaded?

Thanks to all,
Emanuele Salvador

"The stars are matter, we're matter. But it doesn't matter."

- Don Van Vliet -

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