Snort mailing list archives

Re: Snort logs different than the stuff I see in BASE.


From: Joel Esler <eslerj () gmail com>
Date: Fri, 27 Feb 2009 10:13:10 -0500

That's fine, let us know what you can.
Incidentally, -b and log_tcpdump are the same thing.

J

On Fri, Feb 27, 2009 at 10:09 AM, Bruno G. San Alejo <bgonzalez () polar es>wrote:

   Hi, I had already done something like that with the -b option, but
since I'm a newbie with this stuff so I went into the snort.conf and
commented out the DB output and uncommented the option for the
log_tcpdump option. I don't know if it will work differently.

   In my time zone my job time ends in minutes and my parental duties
take over, so I don't think I'll be sending anything new till Monday
morning. :)

   Thanks.







Joel Esler wrote:
Try this, don't output to database.  Try having Snort just output
directly to pcap format, then we can try and figure out where the
problem may lie.

J

On Fri, Feb 27, 2009 at 7:35 AM, Bruno G. San Alejo
<bgonzalez () polar es <mailto:bgonzalez () polar es>> wrote:


       Hello, I'm missing out something here because I have produced some
    log files from snort and when I check them out with wireshark I
cannot
    find some alert packets that I see at BASE.

       In detail, I see some ICMPs redirect messages in the logs (through
    wireshark, they are in tcpdump format), but BASE shows just one.
Also,
    the mac addresses involved are not the same (I have just one sensor),
    though the IPs are. I know this because the packet saved as pcap from
    BASE and opened with Wireshark has plain wrong mac addresses.

       I thought that some packets could get lost due to heavy load
    (actually this is a live network, but I'm running snort non
    promiscous).
    But the discrepancies between what BASE shows me and what snort logs
    makes me believe I'm doing something wrong.

       Thanks.


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--
Joel Esler
T: 302-223-5974 (-) Gtalk: jesler () sourcefire com
<mailto:jesler () sourcefire com>
[m]




-- 
Joel Esler
T: 302-223-5974 (-) Gtalk: jesler () sourcefire com
[m]
------------------------------------------------------------------------------
Open Source Business Conference (OSBC), March 24-25, 2009, San Francisco, CA
-OSBC tackles the biggest issue in open source: Open Sourcing the Enterprise
-Strategies to boost innovation and cut costs with open source participation
-Receive a $600 discount off the registration fee with the source code: SFAD
http://p.sf.net/sfu/XcvMzF8H
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