[Bro] conn.log history has letter 'Q'?

김희철 hckim at narusec.com
Tue Aug 25 02:57:47 PDT 2015


>> I     inconsistent packet (e.g. SYN+RST bits both set)

>I don’t actually know what ‘I’ stands for, but it’s for fin/rst packets,
not syn/rst (although that would also be viable as long as fin is also set)

I got 'I' from bro document
https://www.bro.org/sphinx/scripts/base/protocols/conn/main.bro.html



>> L     a  fin/rst

>I don’t believe that ‘L' is a valid flag for the history field.  Where did
you find this?

Sorry I got mix up with capital 'I' and lower case 'L'


On Fri, Aug 21, 2015 at 10:49 PM, Seth Hall <seth at icir.org> wrote:

>
> > On Aug 21, 2015, at 2:20 AM, 김희철 <hckim at narusec.com> wrote:
> >
> > I     inconsistent packet (e.g. SYN+RST bits both set)
>
> I don’t actually know what ‘I’ stands for, but it’s for fin/rst packets,
> not syn/rst (although that would also be viable as long as fin is also set)
>
> > L     a  fin/rst
>
> I don’t believe that ‘L' is a valid flag for the history field.  Where did
> you find this?
>
>   .Seth
>
> --
> Seth Hall
> International Computer Science Institute
> (Bro) because everyone has a network
> http://www.bro.org/
>
>
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