[syslog-ng] Syslog-NG with MongoDB

jrhendri at roadrunner.com jrhendri at roadrunner.com
Mon May 16 17:43:56 CEST 2016


My 2 cents (what works for you depends on your infrastructure, resources and capabilities)

I like the model where syslog-ng does all the following:

- writes text files of the raw data (that way - whatever your search head is can re-ingest files later using basically the same parsers)

- filters out highly false-positive prone data from being forwarded

- handles parsing of data elements (using patterndb or whatever) and sends specific information to a search engine (like Elasticsearch)

- forwards specific data (based on security use cases) to a SIEM



Whether you use Elasticsearch, mongo, splunk, or whatever is really up to you and your budget.
That said, I find syslog-ng to elasticsearch directly with kibana as the front end is *very* scalable for a search engine.

As far as a SIEM - it's kind of up to you.

Good luck,

Jim


---- Ivan Adji - Krstev <akivanradix at gmail.com> wrote: 
> Hi all,
> 
> What is the best practice for storing all those logs in one central
> environment. I have one Linux Box running Syslog-NG with LogAnalyzer and
> MongoDB ( for now ), and is the best way to configure and use it with
> MongoDB or with MariaDB ( MySQL ) ? I have once install MySQL but it was
> getting very slow as the logs getting bigger and bigger ( for one week ).
> Now i have done with MongoDB ( still testing ) but i have problem as
> LogAnalyzer does not show me the real pictures, i have no Date info, no
> Facility, no serverity, Hosts, syslogtag, i just have ProcessID.
> 
> Any hints on this ?
> 
> I have the following configuration on the syslog-ng.cfg:
> 
> destination d_mongodb {
>     mongodb(
>     servers("localhost:27017")
>         database("logs")
> #    uri('mongodb://localhost/syslog-ng')
>     collection("syslog")
>     value-pairs(
>     scope("selected-macros" "nv-pairs" "sdata")
>         )
>             );
>             };
> 
> Kind regards
> Ivan



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