[Snort-users] Portscan preprocessors

James Nonya slave_tothe_box at ...131...
Wed Jul 2 09:00:08 EDT 2003


On Tue, 1 Jul 2003 14:45:24 -0400
"Mike Feetham" <mike.feetham at ...9502...> wrote:

> I've been running Snort with Acid for awhile now,
and everything seems
> to be working properly, except detection of
portscans.  I'm using Snort
> 2.0 on RH8, and I'm logging to a MySQL database.  I
tried enabling the
> portscan preprocessor in the snort.conf file: 
"preprocessor portscan:
> $HOME_NET 4 3 /var/log/portscan.log".  I ran a few
portscans to test the
> preprocessor, but I didn't see anything happening in
the ACID console,
> though the scans appear in the /var/log/portscan.log
file.
> 
>  
> 
>   Next I tried disabling this preprocessor, and
enabling the
> conversation preprocessor: "preprocessor
conversation:
> allowed_ip_protocols all, timeout 60,
max_conversations 3000", as well
> as the portscan2 preprocessor: "preprocessor
portscan2: scanners_max
> 256, targets_max 1024, target_limit 5, port_limit
20, timeout 60".
> After restarting snort, and running a few portscans,
I'm still not
> seeing anything in the ACID console.  Is there a
parameter I'm missing
> to get snort to log these portscans into the MySQL
database?
> 
>  
> 
> Any help is appreciated,
> 
>  
> 
> Mike F.
> 
Mike,

http://www.andrew.cmu.edu/~rdanyliw/snort/acid_faq.html#faq_b7

I had the same issue ;-)

James




__________________________________
Do you Yahoo!?
SBC Yahoo! DSL - Now only $29.95 per month!
http://sbc.yahoo.com




More information about the Snort-users mailing list