Snort mailing list archives

Re: Threshold Suppression Not Working


From: "Alex Butcher, ISC/ISYS" <Alex.Butcher () bristol ac uk>
Date: Tue, 01 Feb 2005 08:45:29 +0000



--On 31 January 2005 11:11 -0600 Ron Jenkins <rjenkins () dibr net> wrote:

I am trying to suppress the below portscan alerts due to high volumes of
alerts:
  * (portscan) Open Port
  * (portscan) TCP Portscan
  * (portscan) UDP Portscan
  * (portscan) TCP Portsweep
  * (portscan) UDP Portsweep



I have added it to the threshold.conf file along with my other working
alert suppressions.  Below is the format for the above:

·          suppress gen_id 122, sig_id 3

·          suppress gen_id 122, sig_id 19
  * suppress gen_id 122, sig_id 27



Thess lines are not working, so I had to disable the preprocessor within
snort.conf.

I don't think sfportscan-generated alerts can have threshold rules applied in 2.3.0. I'm going to try fixing this and I'll let the list know how I get on.

Ron Jenkins (MCNE, CNE6, MCP, CCNA, CCEA)

Best Regards,
Alex.
--
Alex Butcher: Security & Integrity, Personal Computer Systems Group
Information Systems and Computing             GPG Key ID: F9B27DC9
GPG Fingerprint: D62A DD83 A0B8 D174 49C4 2849 832D 6C72 F9B2 7DC9




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