[Bro-Dev] Find filtered traces?

Seth Hall seth at icir.org
Mon Jun 22 13:50:13 PDT 2015

I’ve been noticing this message...

1232039469.548925 warning in ~/bro/scripts/base/misc/find-filtered-trace.bro, line 48: The analyzed trace file was determined to contain only TCP control packets, which may indicate it's been pre-filtered.  By default, Bro reports the missing segments for this type of trace, but the 'detect_filtered_trace' option may be toggled if that's not desired.

I have looked at the script yet, but I’ve seen it often enough with traces that I generally think of as “normal” that I suspect there is something buggy in the script.  Anyone have any ideas?


Seth Hall
International Computer Science Institute
(Bro) because everyone has a network

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