[Bro] troubleshooting bro memory usage?

aaron gee-clough lists at g-clef.net
Fri Aug 2 11:33:03 PDT 2013


I've just put in two sensors running bro (with security onion), and am 
having trouble with the bro processes progressively growing in RAM 
usage, until they crash or become unresponsive. For example, I have one 
bro worker process right now that's reached 2.8 GB in 2 hours while 
watching a < 100MB link. None of the other processes 
(manager/proxy/other workers) are anywhere near that...it's just this 
one worker.

Are there any config options I can enable to attempt to find the cause 
of the memory leak? Also, since I'm confident the link I'm watching is 
missing some traffic (the span it's on is slightly mis-configured at the 
moment), where can I configure protocol timeouts?



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