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Re: snort not catching any packets
From: "Michael Steele" <michaels () winsnort com>
Date: Fri, 26 Apr 2013 12:04:34 -0400

This could pose a massive problem enabling all those rules. You might want
to take a look at PulledPork for your rule processing.

 

Best regards,

Michael...

 

WINSNORT.com Management Team Member

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From: Robert W [mailto:rwawrig () yahoo com] 
Sent: Friday, April 26, 2013 10:47 AM
To: snort-users () lists sourceforge net
Subject: Re: [Snort-users] snort not catching any packets

 

I've found the issue, if anyone is wondering why snort is not capturing
anything even when are no errors and all looks ok.

The rules which I've downloaded from snort.org have most of the alerts
commented within the rule files. After I've enabled all the alerts from
scan.rules, my scans started to get logged by snort.

 

cheers

Robert

 

  _____  

From: Robert W <rwawrig () yahoo com <mailto:rwawrig () yahoo com> >
To: "snort-users () lists sourceforge net
<mailto:snort-users () lists sourceforge net> "
<snort-users () lists sourceforge net
<mailto:snort-users () lists sourceforge net> > 
Sent: Friday, April 26, 2013 10:31 AM
Subject: [Snort-users] snort not catching any packets

 

Hi,

 

I'm new to snort, so probably I'm missing something obvious..

I'm running snort with output unified2 and barnyard2 which is saving to
mysql, and snorby as front-end.
Snort is not catching anything with only the rules enabled (snort.conf ->
Step #7: Customize your rule set). The "merged.log" unified2 file stays at 0
bytes.
If I enable decoder and preprocessor event rules (#Step 8) then it starts
catching events, but are coming up as Snort Alert [xxx:y:z]. The alerts are
not mapped to names.

 

Also barnyard is giving this message:

[Event: 1] with [gid: 120] [sid: 3] [rev: 1] [classification: 2] [priority:
3]    was not found in barnyard2 signature cache, this could lead to display
inconsistency. To prevent this warning, make sure that your sid-msg.map and
gen-msg.map file are up to date with the snort process logging to the spool
file.

 

I've checked again and again all the conf files and the variables, all point
to the correct sid-msg.map and gen-msg.map. 

 

Any idea what may be wrong?

 

Thanks

Robert


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