[Snort-users] Email

Greg Williams alphawebfx at ...11827...
Wed Aug 29 19:51:31 EDT 2012

If it were me, I would not do a db search, the database is already
processing stuff.  I would have scripts on all your sensors, monitor the
alert log, and clean the alert log every 5 minutes when the grep is
complete. Saves processing power by only searching the last 5 minutes
instead of the entire db.

On Aug 29, 2012, at 5:35 PM, Nicholas Horton <fivetenets at ...14399...> wrote:

Thanks Greg.

I like that plan.

I think I'm going to do the poor man's way.

Now I just have to figure out if the snortbox should email or if I should 5
min cron job of the MySQL db and search for alerts n have that server email
recent alerts and which sensor it came from.


On Aug 29, 2012, at 6:25 PM, Greg Williams <alphawebfx at ...11827...> wrote:

Nick, I use the enterprise version of Splunk for alerting this stuff, plus
a lot of other things, but the older version of free Splunk, ~3.9 I think
allowed for alerting.  The free version of Splunk now doesn't include
alerting unfortunately.  I have unified2 going to BASE and the alert log so
Splunk can read the alert log and based on my searches it alerts me.  You
could also always do a poor man's alerting system by outputting the alerts
to your database and /var/log/snort/alert and grep'ing for your sid every 5
minutes then spit off a sendmail command via a cron job.

On Wed, Aug 29, 2012 at 2:57 PM, Horton, Nicholas A - Merrifield, VA -
Contractor <nicholas.a.horton at ...15788...> wrote:

> Makes sense and honestly now that I think about it I probably won't want
> the remote snortbox to send an email plus the log file is in unified2
> format.
> I have several snortboxes talking to a central location and I have Snorby
> up and running on a central server so I probably just need Snorby to
> somehow send me an alert based on an event into the database.
> Right now Snorby sends past reports but I'm also looking for a feature
> where the notifications can be more immediate.
> I started to think about the snortbox doing this immediate notification in
> email but it is already notifying by entering into the central mysql db.  I
> just need this central db box running Snorby to kick off an email given a
> specific gid or sid.
> If Snorby isn't it for immediate or specific gid notifications i just need
> to find that add-on that can do it.
> Thanks again Joel,
> Nick
> ________________________________________
> From: Joel Esler [jesler at ...1935...]
> Sent: Wednesday, August 29, 2012 4:06 PM
> To: Nicholas Horton
> Cc: snort-users at lists.sourceforge.net
> Subject: Re: [Snort-users] Email
> On Aug 29, 2012, at 3:45 PM, Nicholas Horton <fivetenets at ...14399...<mailto:
> fivetenets at ...14399...>> wrote:
> Is snort capable of sending emails based off of alerts or is that
> something that should be handled by an add-on like swatch?
> If snort is capable where is the config for sending emails?
> It's definitely an add-on.  Snort does not contain this native capability.
>  Snort is an IDS, not an email generation program. :)
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