about NLANR

[Wang Shaofu]

> >    I used the trace file from NLANR to test Bro. But Bro does nothing 
but
> > report
> > bad checksum.
>
>That's because those traces don't have any packet contents.

 But the checksum function seems do not check the checksum of contents, 
just the packet head.

>
> > What should I do , to make trace file available to Bro?
>
>You should first consider whether it will be useful to analyze them with
>Bro, given a lack of contents.

 I see the stepping.bro is using the ON/OFF algorithm, when report "time".
 I have a novel way to detect connection pair! And I want to compare my 
algorithm 
 with the ON/OFF. :)

>
>If so, then "redef ignore_checksums = T" will turn off the checksum tests.

Have nice day!
-- cloud

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