ICMP records of an unusual size
Michael Sanderson
sanders at cs.ubc.ca
Mon Mar 31 02:42:59 EDT 2014
Jesse/Carter, I also see something similar after an update to argus 3.0.7.5 last week. It is being collected via a radium from clients 3.0.7.6. ra from 3.0.7.6 and from 3.0.7.18 reads the file, displaying the apparently bogus pkts/bytes. The ra from 3.0.7.19 through 3.0.7.23 displays everything up to the record with the bogus pkts/bytes. Perhaps this is the issue Scott McIntyre raised about argus-clients stopping, as he also had a 3.0.7.5 argus running.
I have put a 110K anonymized file called data.anon in ftp.qosient.com:/incoming .
Michael Sanderson
On Mar 30, 2014, at 10:06 AM, Carter Bullard <carter at qosient.com> wrote:
> Well, these are weird. Any chance I can get a file with these records in them ??
> So, any sense as to how these are generated, are they coming right off of argus ??
> Carter
>
> On Mar 29, 2014, at 8:44 PM, Jesse Bowling <jessebowling at gmail.com> wrote:
>
>> I have some flows with duration zero, but they don't seem to match up with the R.U.S:
>> StartTime Proto Sport Dir Dport TotPkts TotBytes Dur
>> 03/25/14 11:09:49.460105 1 0x0303 <-> 0x62ea 2 61 0.069073
>> 03/25/14 11:09:49.473637 1 0x0303 <- 0x60ea 2182690890685501 2495973268128260 0.028096
>> 03/25/14 11:11:26.413780 1 0x0303 <- 0x68ea 1910394259086494 1915658761929220 0.032138
>> 03/25/14 11:11:26.427968 1 0x0303 <- 0x6aea 2019091291413663 612496964846084 0.006739
>> 03/25/14 11:11:52.824234 1 0x0303 -> 0x72ea 1 70 0.000000
>> 03/25/14 11:11:52.832111 1 0x0303 -> 0x70ea 1 70 0.000000
>> 03/25/14 11:12:46.868043 1 0x0303 -> 0x78ea 1280 34305 0.010306
>> 03/25/14 11:12:46.878386 1 0x0303 <- 0x76ea 3837314156567791 167070201545220 0.011786
>> 03/25/14 11:13:02.693644 1 0x0303 -> 0x62ea 1 70 0.000000
>> 03/25/14 11:13:02.693721 1 0x0303 -> 0x64ea 1 70 0.000000
>>
>>
>> Cheers,
>>
>> Jesse
>>
>>
>> On Sat, Mar 29, 2014 at 2:51 PM, Carter Bullard <carter at qosient.com> wrote:
>> 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
>> >
>>
>>
>>
>> --
>> Jesse Bowling
>>
>
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