Snort mailing list archives

Re: v2.8.4 incorrect logging to MySQL


From: Jason Brvenik <jasonb () sourcefire com>
Date: Tue, 14 Apr 2009 14:03:33 -0400

It sounds to me like some general education is needed. The latency
between unified to DB is nothing that can be perceived by humans, if
it is then the latency between engine and DB is going to be critical
to performance of the engine itself.

What is a use case that even a second delay (not the typical Milli
Second) would have an impact?

On Tue, Apr 14, 2009 at 1:37 PM, Jack Pepper
<pepperjack () afferentsecurity com> wrote:
I disagree vehemently.  I like the flexibility (warts and all) that
comes with the current model.  It's true that high flexibility leads
to high complexity which invariably leads to maintenance challenges.
No argument there.

but to take away the flexibility and adaptability would damage the
snort product.

Unified is good enough for reporting and charts, and all that blah
blah blah.  but if you really want to build a security device around
the snort detect engine, unified is too weak for real time response
and analysis.  the unified model carries too much latency for real
time processing.

the alternative to complexity is to choose either a limited, dumbed
down product or a closed source product.  Both models (static
deployability model and closed source model) have demonstrably failed
to keep pace with the ingenuity and skill of our common adversary.
simple tools suck.

jp

Quoting JJ Cummings <cummingsj () gmail com>:

/me raises hand.. "I"

On Tue, Apr 14, 2009 at 9:56 AM, Joel Esler <jesler () sourcefire com> wrote:

Seconded.


On Tue, Apr 14, 2009 at 11:38 AM, Jason Brvenik
<jasonb () sourcefire com>wrote:

Here is my vote to remove all output methods from the engine except
unified, to remove the code complexity. People are much better off
having two dedicated processes achieving a common goal than they are
with the code complexity and issues in the one code base.

On Tue, Apr 14, 2009 at 8:31 AM, James Lay <jlay () slave-tothe-box net>
wrote:



________________________________
From: Ron Jenkins <rjenkins () rmjcs net>
Date: Mon, 13 Apr 2009 09:21:09 -0500
To: 'Joel Esler' <jesler () sourcefire com>
Cc: James Lay <jlay () slave-tothe-box net>, Snort
<snort-users () lists sourceforge net>
Subject: RE: [Snort-users] v2.8.4 incorrect logging to MySQL

We are backing down from v2.8.4 until the new version can successfully
write
to the sensor and signature tables correctly.

Until Soucrefire truly removes writing to the MySQL database and forces
unified logging we see no reason to change at this time.  Yes the new
rule
changes are much wanted, but after reading on the mass issues on the
snort
forums with the new version we are holding off on the update.

Thanks




I have to chime in and second this.  Though Unified might be best, for
smaller shops, my perception is that barnyard is an added layer of
complexity.  I run snort at the house on OS X...pretty much to catch the
obvious dumb crap coming in from the outside world and to catch if the
kids
machines get something naughty.  Again, larger shops where IDS is
mission
critical should take the extra step, but small ones..eh...I?ve found
that
logging direct to mysql works well enough.  My 0.02 I guess.

James


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