Re: Snort output plugins using Barnyard.

["Joel Esler (jesler)" <jesler () cisco com>]

Any reason why you didn’t move directly to the most updated version of Snort, first of all?  Since all but, 2.9.7.6 is 
EOL?

--
Joel Esler
Manager
Talos Group
http://www.talosintelligence.com


On Sep 20, 2016, at 2:55 PM, fatema bannatwala <fatema.bannatwala () gmail com<mailto:fatema.bannatwala () gmail com>> 
wrote:

Hi,

We have snort 2.9.7 up and running, with unified2 format output setup in snort.conf.
We also have barnyard2 configured to log the snort unified2 output in different formats.
We have two output plugins enabled in barnyard, one is to syslog to local1 facility  (output alert_syslog: LOG_INFO 
LOG_LOCAL1) and another one to log the alerts into a postgres DB (output database: log, postgresql, user=db_user 
password=some_password dbname=snorby host=host123.somedomain).

Recently we ran into an issue where snort stopped sending the syslog messages to local facility, when the other 
barnyard plugin ,i.e, database connection failed.
Hence my question is, does snort stop processing other output plugins as well, if any one of them fails in barnyard?
or is there any way to make sure the other output plugins still get processed if one of them fails?

Also, the order of the output plugins definition in barnyard2.conf is, first the syslog output is defined and at the 
end of the file database output plugin is defined.
Hence I was thinking that snort should have processed the syslog plugin and have sent the syslogs to local1, before 
processing the database plugin and finding out that it is not able to connect to the database.

Any suggestion/comment appreciated.

Thanks,
Fatema.
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