[Snort-users] Logging Reassembled Packets

Will Metcalf william.metcalf at ...11827...
Fri Mar 14 02:15:49 EDT 2008


If you have a couple of spare cpu's lying around you could always try
out gulp...

http://staff.washington.edu/corey/gulp/

Regards,

Will
On Thu, Mar 13, 2008 at 11:07 PM, Jeremy <cjeremy at ...11827...> wrote:
> Not trying to steal the thread here, but I have to ask since I have
>  never really stress tested damonlogger. Do you all think it performs
>  better than tcpdump at writing packets to disk?  This never crossed my
>  mine to evaluate before now, as I have only used damonlogger to play
>  traffic out another interface....  If yes, any document on this claim
>  out there?  Running to Google now to see if I can't find something on
>  this while I wait for responses ;)
>
>  --jeremy
>
>
>
>  On Thu, Mar 13, 2008 at 8:40 PM, Martin Roesch <roesch at ...1935...> wrote:
>  > -----BEGIN PGP SIGNED MESSAGE-----
>  >  Hash: SHA1
>  >
>  >  Correction.  You should use Daemonlogger!
>  >
>  >  :)
>  >
>  >         -Marty
>  >
>  >
>  >
>  >  On Mar 13, 2008, at 8:20 PM, Jason wrote:
>  >
>  >  > snort is not intended to log full reassembled streams, it is
>  >  > intended to
>  >  > detect intrusion attempts and log the relevant data associated with
>  >  > those attempts. If you want full session logging you should use
>  >  > tcpdump.
>  >  >
>  >  > Kamran Shafi wrote:
>  >  >> I notice that there is a show_rebuilt_packets option in steam5_global
>  >  >> configuration, which I have turned on but don't know if it is
>  >  >> producing
>  >  >> anything. I run snort on some traffic collected on a web/dns/mysql
>  >  >> server
>  >  >> using -r flag. The log shows that snort filters out the server's
>  >  >> response
>  >  >> and keeps only the inbound traffic - I am not sure if this
>  >  >> behaviour is
>  >  >> because of the stream 5 processor or else?
>  >  >>
>  >  >> On Fri, Mar 14, 2008 at 12:56 AM, Joel Esler <joel.esler at ...1935...
>  >  >> >
>  >  >> wrote:
>  >  >>
>  >  >>> Again, a visit to the readme's in the doc/ directory should help
>  >  >>> you.
>  >  >>> Look up "log_flushed_streams" in the stream4 readme.
>  >  >>> Joel
>  >  >>>
>  >  >>>   On Mar 13, 2008, at 2:36 AM, Kamran Shafi wrote:
>  >  >>>
>  >  >>>  Hi All,
>  >  >>>
>  >  >>> Is there a way to log the reassembled (TCP/UDP/ICMP) sessions in
>  >  >>> Snort?
>  >  >>>
>  >  >>> --
>  >  >>> Regards
>  >  >>> Kam
>  >  >>> -------------------------------------------------------------------------
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>  >  >>>
>  >  >>>
>  >  >>> --
>  >  >>> Joel Esler  joel.esler at ...1935...
>  >  >>>
>  >  >>>
>  >  >>>
>  >  >>>
>  >  >>>
>  >  >>
>  >  >>
>  >  >>
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>  >  - --
>  >  Martin Roesch - Founder/CTO, Sourcefire Inc. - +1-410-290-1616
>  >  Sourcefire - Security for the Real World - http://www.sourcefire.com
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