[Snort-users] "Saving State" in Snort (Absent jusqu'au 29/07/2002)

Pascal Painparay pascal.painparay at ...8874...
Mon Apr 21 08:23:08 EDT 2003


Je suis absent jusqu'au 21/04/03 inclus. 
En cas d'urgence, Vous pouvez contacter :
  Christophe Savin au 01 49 15 32 75.

Cdt
Pascal Painparay

>>> snort-users 04/21/03 17:04 >>>

"Michael L. Artz" <dragon at ...8731...> writes:

> Chris Green wrote:
>
>>Finally a use for reading in off stdin
>>
>>(for i in *.cap.gz| do gzip -dc $i; done) | snort -r -  <args>
>>
>
> This seems to fail for me on the "breaks" between files with the error:
>
> pcap_loop:  truncated dump file
>
> I assume that this has to do with the little header that tcpdump adds
> to the beginning of each file, i.e. I can mergecap them and run them
> through just fine.  Is there something that I am missing beyond 'cat
> *.pcap | snort -r -'?  Would a newer libpcap solve the problem?

Nah, I just saw a mailing list reply from Guy Harris over on the
tcpdump works mailing list that uses something more akin to

(COUNTER=0;
 for i in *.cap.gz;
 do
    if [ COUNTER -eq 0 ];
        gzip -dc $i
        COUNTER=1;
    else
        gzip -dc $i | dd bs=24 count=0 skip=1
    fi
 done) | snort -r -

>
>
> Snort 1.9.1, fairly stock RH8.0.
>
> -Mike
>
>
>
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-- 
Chris Green <cmg at ...1935...>
Laugh and the world laughs with you, snore and you sleep alone.


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