ICMP records of an unusual size

Carter Bullard carter at qosient.com
Sat Mar 29 14:51:07 EDT 2014


Hey Jesse,
What was the duration of these flows ??  If zero, we had a bug a while back where splitting records used an uninitialed chunk of memory.
If the duration is zero (only one packet) I'm thinking this maybe the result of that bug  ??

Carter



> On Mar 29, 2014, at 1:12 PM, Jesse Bowling <jessebowling at gmail.com> wrote:
> 
> I noticed a few odd records in our argus data the other day, and I'm a bit stumped as to how they might have gotten there...I see these:
> 
>                      StartTime                 LastTime  Proto  Sport   Dir  Dport              TotPkts             TotBytes 
>       03/25/14 11:09:49.473637 03/25/14 11:09:49.501733      1 0x0303   <-  0x60ea     2182690890685501     2495973268128260
>       03/25/14 11:11:26.413780 03/25/14 11:11:26.445918      1 0x0303   <-  0x68ea     1910394259086494     1915658761929220
>       03/25/14 11:11:26.427968 03/25/14 11:11:26.434707      1 0x0303   <-  0x6aea     2019091291413663      612496964846084
>       03/25/14 11:12:46.878386 03/25/14 11:12:46.890172      1 0x0303   <-  0x76ea     3837314156567791      167070201545220
> 
> These records all had the same source and destination address. Does anyone have a theory? My guess is either corruption of the data (seems unlikely in this case) or perhaps something had issue parsing these particular records (racluster, rasplit)?
> 
> Any suggestions from the list on how I might figure out more about these records or how they might have been generated?
> 
> Cheers,
> 
> Jesse
> -- 
> Jesse Bowling
> 



More information about the argus mailing list