Snort mailing list archives

Re: FATAL ERROR - Preproc Rule Help - rule duplicates


From: Matthew White <on3moda () gmail com>
Date: Wed, 25 May 2016 12:56:13 -0500

Looks like pulledpork is pulling their own. So there is two places this can
be set. Going to try and comment out and edit disablesid.conf.

On Wed, May 25, 2016 at 12:50 PM, Al Lewis (allewi) <allewi () cisco com>
wrote:

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

SOURCE*fire*, 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>
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

SOURCE*fire*, 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 12:18 PM
*To:* 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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