[Bro] Quick question on conn tracking

James Lay jlay at slave-tothe-box.net
Thu Sep 29 08:31:58 PDT 2016


On 2016-09-28 20:29, Seth Hall wrote:
>> On Sep 28, 2016, at 3:51 PM, James Lay <jlay at slave-tothe-box.net> 
>> wrote:
>> 
>> 2016-09-28T12:29:39-0600  192.168.1.101   44083   31.13.76.101    443  
>>    tcp     ssl     0.214346        460     170     S1      T       F   
>>     0       ShADad  8 884      7       542     (empty) -
>> 
>> 2016-09-28T12:44:39-0600  192.168.1.101   44083   31.13.76.101    443  
>>    tcp     -       0.016678        31      0       RSTRH   T       F   
>>     0       fDrAr   2 135      3       132     (empty) -
> 
> Wow, you're actually seeing 15 minute where there are no packets seen
> in the connection?  I'm surprised that Facebook has such a long
> timeout on their frontend web servers.  I would expect that a timeout
> that long would actually cause quite a few middle boxes quite a bit of
> consternation as well. :)
> 
>   .Seth
> 
> --
> Seth Hall
> International Computer Science Institute
> (Bro) because everyone has a network
> http://www.bro.org/

Heh....spotify is even worse :P

notice.log:1475161562.899483    CPEyXm4oD4iu0xu4v1      192.168.1.101   
42263   193.235.203.66  4070    -       -       -       tcp     
LongConnection::found    192.168.1.101 -> 193.235.203.66:4070/tcp 
remained alive for longer than 49m42s  2981.66 192.168.1.101   
193.235.203.66  4070    -       bro     Notice::ACTION_LOG       
3600.000000     F       -       -       -       -       -

CRAZYTOWN!

James


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