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Re: Snort 2.9, barnyard2, and unknown record types
From: Bhagya Bantwal <bbantwal () sourcefire com>
Date: Wed, 3 Nov 2010 14:33:18 -0400

This is a new event type we added for writing gzip decompressed data and XFF
ip with snort events. You might want to refer to the function
_AlertExtraData in src/output-plugins/spo_unified2.c or Unified2ExtraDataHdr
and SerialUnified2ExtraData in src/sfutil/Unified2_common.h

We have also added the u2spewfoo which reads all the snort event types (from
unified2) to the tools directory of snort.

-B
On Tue, Nov 2, 2010 at 3:10 PM, Rich Graves <rcgraves () gmail com> wrote:

I can't keep barnyard2 running on unified2 files generated by snort 2.9.0.1
(64-bit RHEL5). A couple times a day, it chokes on a bad record. This never
happened with 2.8.6.

I got things to "work" for a while by hacking barnyard2-1.9-beta1 to ignore
(return 0) record type 110, but now I'm seeing record type 4, which doesn't
even appear in sfutil/Unified2_common.h.

What should I be looking at to figure this out?

I've reverted production to 2.8.6. Still have a test running 2.9.

barnyard2[10254]: Opened spool file
'/var/log/snort/snort-unified2.log.1288720898'
barnyard2[10254]: WARNING: Unhandled UNIFIED2_EXTRA_DATA record type 110
barnyard2[10254]: FATAL ERROR: Unknown record type read: 4


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