[Snort-users] Snort 2.6.1 Stops Logging
roesch at ...1935...
Tue Nov 21 21:40:52 EST 2006
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One thing you could do to help us figure out what's going on is to
run gdb and attach it to the Snort process. Once it's attached, run
a backtrace and if the program is stuck in function it should be very
Can you try that and post the backtrace?
On Nov 21, 2006, at 8:57 PM, Eric J. Feldhusen wrote:
> Jason Haar wrote:
>> Colin Grady wrote:
>>> I've migrated one system from Snort 22.214.171.124 <http://126.96.36.199> to
>>> 2.6.1. I've made no configuration file changes and no command-line
>>> changes between the two releases, but after somewhere around 20-30
>>> minutes after being started Snort 2.6.1 seems to stop logging data.
>>> I'm using unified logging, which is being processed through
>>> The Snort process continues to run and the processor time
>>> continues to
>>> climb, but the unified logs stop growing -- so it's not related to
>>> Barnyard as best as I can tell.
>>> Anyone else seen anything like this?
>> I think this is a "me too". I've just noticed that 2.6.1RC1
>> appears to
>> work initially, but stops logging at some later time. I am just
>> upgrading to 2.6.1 to see if that fixes it - but your report
>> implies it
>> won't. We're using both syslog and mysql output modules - and both
>> reporting - so that (plus your barnyard report) implies the
>> problem is
>> occurring somewhere earlier on.
>> This is snort-2.6.1RC1 under CentOS4.4
> I've got a RHEL4u4 server with dual xeons with hyperthreading on, with
> snort-2.6.1 with mysql logging only and using Base 1.2.7 , and I've
> similar problems, the snortd process will run for about 20-120 minutes
> at a using 5-8% of the cpu, and then I'll check back later in the day
> and snortd process load is at 100%. I've been shutting of more and
> included rule sets to see if it's a particular rule causing the
> I'll have to try and see if I shut off all rules if it happens.
> Eric Feldhusen
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Martin Roesch - Founder/CTO, Sourcefire Inc. - +1-410-290-1616
Sourcefire - Security for the Real World - http://www.sourcefire.com
Snort: Open Source IDP - http://www.snort.org
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