Snort mailing list archives

Re: Error running snort


From: AllowOverride <allowoverride () gmail com>
Date: Thu, 11 Oct 2012 00:40:44 -0700

my so_rules complained. they are not in the config. i can see there is a
reason for them. in the past is not today, and there is no 10.04
so_rules i can see/find/gather.

ill read in time, just got stuck with a bunch of little things, some my
fault. i fixed most of it. its working, still trying to figure out base
issue, i hesitate to say bug now.

im looking at vbox guest iso of seconion, seems pretty bloated, runs
slow even set with 3.5 gigs of mem on the host dedicated to it.
however, i plan to look more into /etc/nsm.

thats all for now... thanks every for your help. i muddle through some
docs in my spare time.

l8

On Wed, 2012-10-10 at 16:08 -0600, Jefferson, Shawn wrote:
Hi,

Compiled rules (so_rules) are covered in the manuals and blogs in some depth, however, since I know you don't like to 
RTFM ;) (actually I *do* suggest you go to the snort blog and VRT blog and lookup posts about so_rules and read them 
in your spare time...), basically they are pre-compiled rules that either require more processing than text rules 
require, or there is some reason to obscure what the rule is looking for (due to NDAs that SourceFire has with 
vendors, or hide things from badguys, etc...)  That's my understanding of so_rules.

I would suggest that you get snort and the rest of the tool chain working first before diving into so_rules.  Pulled 
pork will handle so_rules as well... you just need to specify the right distro/bit-ness.  In the past I've had 
success using Ubuntu so_rules for not *quite* the same revision, but you'd need to test that.

It's easy to tell if it's not working, since snort segfaults (or complains at startup sometimes) if you have the 
wrong so_rules.  Sometimes (I've seen this in the past, maybe it doesn't do this anymore) it doesn't segfault until 
you get a packet that tries to hit the so_rule... but the rest of the time it runs happily.



-----Original Message-----
From: AllowOverride [mailto:allowoverride () gmail com] 
Sent: Wednesday, October 10, 2012 2:58 PM
To: Jefferson, Shawn
Cc: 'fashman2k1 () yahoo com'; 'snort-users () lists sourceforge net'
Subject: Re: [Snort-users] Error running snort

this leads to another issue, so_rules, i did not see ubuntu 12.04 listed, only up to 12.04. is there a updated 
precompiled rule set for
12.04 coming soon, not that i know what they are for, i figure packets being analyzed should matter what distro it is 
coming for?

i assume the precompiled rules are for base services included in each linux different distro, thus the need to 
specify them in the first place. 

dont answer that, i will figure it out, just thinking out loud..


On Wed, 2012-10-10 at 14:27 -0600, Jefferson, Shawn wrote:
You have the wrong version of so rules for your distro/os.



----- Original Message -----
From: Akinwale Fasuru <fashman2k1 () yahoo com>
To: snort-users () lists sourceforge net 
<snort-users () lists sourceforge net>
Sent: Wed Oct 10 12:47:43 2012
Subject: [Snort-users] Error running snort

Pls i encountered this erro when tring to run snort # snort -c 
/etc/snort/snort.conf
 
ERROR: Failed to load /usr/local/lib/snort_dynamicrules/netbios.so: 
/usr/local/lib/snort_dynamicrules/netbios.so: wrong ELF class: 
ELFCLASS32

What can i do?

Wale

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Deploy New Relic app performance management and know exactly
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Try New Relic at no cost today and get our sweet Data Nerd shirt too!
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