Re: FATAL ERROR - Preproc Rule Help - rule duplicates

["Al Lewis (allewi)" <allewi () cisco com>]

The Snorby UI is outside our scope so maybe someone else can chime in.

Putting the # in front of the rule disables it. Snort will have to be restarted for the changes to take effect.

Good luck.

Albert Lewis
QA SNORT/Sourcefire
SOURCEfire, Inc. now part of Cisco
9780 Patuxent Woods Drive
Columbia, MD 21046
Phone: (office) 443.430.7112
Email: allewi () cisco com

From: Matthew White [mailto:on3moda () gmail com]
Sent: Wednesday, May 25, 2016 1:27 PM
To: Al Lewis (allewi)
Cc: snort-users () lists sourceforge net
Subject: Re: [Snort-users] FATAL ERROR - Preproc Rule Help - rule duplicates

Line 29
pass ( msg: "HI_CLIENT_OVERSIZE_DIR"; sid: 15; gid: 119; rev: 1; metadata: rule-type preproc, service http ; 
classtype:bad-unknown; reference:cve,2007-0774; reference:bugtraq,22791; reference:cve,2010-3281; 
reference:bugtraq,43338; reference:cve,2011-5007; )

When I put # in front of it. It was still showing in Snorby.

On Wed, May 25, 2016 at 11:24 AM, Al Lewis (allewi) <allewi () cisco com<mailto:allewi () cisco com>> wrote:
What does line 29 in your preprocessor.rules file look like?

To disable the rule you need to put a ‘#’ in front of the line.



Albert Lewis
QA SNORT/Sourcefire
SOURCEfire, Inc. now part of Cisco
9780 Patuxent Woods Drive
Columbia, MD 21046
Phone: (office) 443.430.7112<tel:443.430.7112>
Email: allewi () cisco com<mailto:allewi () cisco com>

From: Matthew White [mailto:on3moda () gmail com<mailto:on3moda () gmail com>]
Sent: Wednesday, May 25, 2016 12:18 PM
To: snort-users () lists sourceforge net<mailto:snort-users () lists sourceforge net>
Subject: [Snort-users] FATAL ERROR - Preproc Rule Help - rule duplicates

I am trying to tune Snort at the processor level in the flow before info is processed to lighten the CPU usage.

Steps I have tried to no avail
1. Commenting the rule out using #.
2. Changing alert to pass instead of alert to get the following error.

FATAL ERROR: /etc/snort/preproc_rules/preprocessor.rules(29) GID 119 SID 15 in rule duplicates previous rule, with 
different type.

Instructions I am following

https://www.snort.org/faq/readme-decoder_preproc_rules

Is there something else I am missing?

Thanks,

Matthew




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