[Bro] Real-time reporting from multiple sensors to multiple analysis points

Osama Elnaggar oelnaggar04 at gmail.com
Mon Jul 3 22:29:52 PDT 2017

You can also have a look at lsyncd (https://github.com/axkibe/lsyncd) which
is a synching daemon that uses rsync in the background.  By default, lsyncd
triggers copying when the file is closed but you can change this behavior
by modifying the inotifyMode option -

Osama Elnaggar

On July 4, 2017 at 5:35:34 AM, Azoff, Justin S (jazoff at illinois.edu) wrote:

> On Jul 3, 2017, at 6:51 AM, Marcin Nawrocki <marcin.nawrocki at fu-berlin.de>
> Dear bro mailing list,
> I have a question regarding the configuration of bro and its real-time
> reporting features.
> Right now, I have two sensors (s1, s2), each running one bro node with
> log files rotating every hour. After the rotation, I send the files from
> each sensor to an analysis point (a1) via scp and perform my analysis
> My requirements changed now: I want to know what happens on the sensors
> in almost real-time. How do I send reports from (s1,s2) with a max.
> delay of 10 seconds to another analysis point (a2)? The reports can
> still reach (a1) every hour to keep the load low. My intuition tells me,
> that a very low rotation interval and scp are not the best practice here.

Based on your requirements you probably want to use something like the bro
kafka log writer, or a process running on each system like logstash that
can forward logs.

- Justin Azoff

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