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

Azoff, Justin S jazoff at illinois.edu
Mon Jul 3 12:32:16 PDT 2017

> On Jul 3, 2017, at 6:51 AM, Marcin Nawrocki <marcin.nawrocki at fu-berlin.de> wrote:
> 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 steps.
> 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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