[Snort-users] Snort 2.9.0 DCE RPC error [SOLVED] and more

Nigel Houghton nhoughton at ...1935...
Tue Oct 5 11:11:11 EDT 2010

The 2.9 rules are available for registered users already. See 

Great URI I know, did I mention we don't run the infrastructure 

On Tue, 5 Oct 2010 08:41:38 -0600, James Lay wrote:
> Hey All,
> Did an upgrade from to 2.9.0 from source on Slackware 12.1.  Below
> is the error I saw:
> ERROR: Failed to initialize dynamic preprocessor: SF_DCERPC version 1.1.5
> (-1)
> After checking /usr/local/lib/snort_dynamicpreprocessor, lo and behold,
> old libs.  Nuked those out, but then I got:
> ERROR: /usr/local/etc/snort/rules/web-client.rules(357) byte_test option
> has bad comparison value: 186a0.
> ERROR: /usr/local/etc/snort/rules/web-client.rules(359) byte_test option
> has bad comparison value: 186a0.
> Which leads me to a question and feature request.  Can snort include
> something in the future to detect old libs?  I've seen ntop do this, so I
> think it's possible.  And in regards to the rules, what do shmoes like me
> do when we upgrade, but aren't using VRT rules?  I'm now running 2.9.0 on
> rules, and as seen above, that's not always a pretty scene as I've
> had to comment out the above rules.  However, as I understand it, I won't
> have access to 2.9.0 rules for another month, yes?  What's the best course
> of action?  Wait a month to upgrade when the new rulesets mesh with the
> new version of snort?  Or plod ahead in hopes that old version rules work
> with new version snort?  Is there no way to do a new snort release coupled
> with, if not a complete initial new ruleset, at least certain sets
> (web-clients.rules) that fix surprises like the above?
> Danke, thanks, and all that stuff.
> James
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Nigel Houghton
Head Mentalist
SF VRT Department of Intelligence Excellence
http://vrt-sourcefire.blogspot.com && http://labs.snort.org/

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