issues with Snort report 1.3&VRT rules&ET rules&threshold.conf

[Jun Wan]

Hi,

 

BASE is not maintained, as well as it's lack of docs, so I choose Snort Report (SR).  I have got lots of help from David Gullett, David has done a wonderful job,  thanks David.

 

Two issues on Snort2.8.6.0 with SR 1.3 are very strange, I thought you guys may be interested to know, please see the followings:

 

1.) If I do following commands:

 

sudo /usr/local/snort/bin/snort -D -u snort -g snort -c /usr/local/snort/etc/snort.conf -i eth0
sudo /usr/local/bin/barnyard2 -c /usr/local/snort/etc/barnyard2.conf -G /usr/local/snort/etc/gen-msg.map -S /usr/local/snort/etc/sid-msg.map -d /var/log/snort -f snort.u2 -w /var/log/snort/barnyard2.waldo

 

The results: the activated rules on emerging.conf and settings on threshold.conf are not working, but the SR is working, snort is running with VRT rules only (not running ET rules&threshold.conf )

 

2.) or If I do the following command:

 

 sudo /usr/local/snort/bin/snort -u snort -g snort -c /usr/local/snort/etc/snort.conf -i eth1 -A console

 

The results: the activated rules on emerging.conf and settings on threshold.conf are working, but the SR is not working (no data), and snort is running with VRT rules and ET rules and threshold.conf .

 

Same issues happen to Snort 2.9.0 with SR1.3.

 

I would like to solve these issues before I put Snort 2.8.6 &2.9.0 with SR 1.3 into our live network.

 

Any information/idea/direction would be highly appreciated.

 

Regards

 

John 

[Joel Esler]

Is it because with the #2 line, your output is to console? "-A console", remember command line overrides the snort.conf output lines.

J

--
Joel Esler

http://blog.joelesler.net

[Jun Wan]

Hi Joel,
 
It makes no difference by removing "-A console", I did the following and I got SR with 'No data" :
 
 sudo /usr/local/snort/bin/snort -u snort -g snort -c /usr/local/snort/etc/snort.conf -i eth0
 
ps: eth1 shoud be eth0 in previous email.
 
Does anyone have any idea/direction? It would be highly appreciated. 
 
Thanks
 
Regards
 
John
 
 

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Date: Tue, 30 Nov 2010 19:21:54 -0500
From: joel....@me.com
To: snortrep...@googlegroups.com
CC: snort...@lists.sourceforge.net
Subject: Re: [Snort-users] issues with Snort report 1.3&VRT rules&ET rules&threshold.conf

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[Joel Esler]

My only suggestion is, take everything out (VRT rules, ET rules, etc) and add things in, one at a time, see if Snort starts, stays running, and which step breaks the process.

Joel

[Jun Wan]

Hi Joel,
 
The Snort is running fine (I can see lots of traffic by using -A console) , the problem is the Snort Report 1.3, that is unable to display any data when I  do the following:

 
sudo /usr/local/snort/bin/snort -u snort -g snort -c /usr/local/snort/etc/snort.conf -i eth0
 

I tested it again this morning, the Snort Report 1.3 is working (display data) when I ran two Snort instances:
 
Instance 1: sudo /usr/local/snort/bin/snort -u snort -g snort -c /usr/local/snort/etc/snort.conf -i eth0 -A console
 
Instance 2 (from Putty) :sudo /usr/local/snort/bin/snort -D -u snort -g snort -c /usr/local/snort/etc/snort.conf -i eth0
                 sudo /usr/local/bin/barnyard2 -c /usr/local/snort/etc/barnyard2.conf -G /usr/local/snort/etc/gen-msg.map -S /usr/local/snort/etc/sid-msg.map -d /var/log/snort -f snort.u2 / 
                 -w /var/log/snort/barnyard2.waldo
 
ET rule seems working as Snort Report displayed alerts (sid 2008581) of p2p traffic, but I don't want to run two snort instances.
 
David Gullett is on vacation at moment, hopefully David would give us some clues regarding Snort Report.
 
Many thanks for your help
 
Regards
 
John

 
 

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Date: Wed, 1 Dec 2010 08:34:50 -0500

[Jun Wan]

Hi Joel,
 
When I run Snort with just "instance 2", I get lots of alerts that way, but ET rules and Threshhold.conf do not work, please see the following results:

• lots of Alerts from terminal and these alerts are displayed in Snort Report;
• Policies in threshold.conf don't work, e.g. "threshold gen_id 129, sig_id 12, type limit, track by_src, count 1, seconds 60", I still see lots of Alerts (129:12:0) rolling fast in my terminal screen when I do test; and
• ET rule don't working, e.g. there is no alert if I run an BitTorrent p2p test.

 
When I run Snort with just "instance 1", I get lots of alerts that way, ET rules and Threshhold.conf are working, but Snort Report doesn't work , please see the following results:

• lots of Alerts from terminal and these alerts are not displayed in Snort Report, Snort Report displays "No Data";
• Policies in threshold.conf are working, e.g. "threshold gen_id 129, sig_id 12, type limit, track by_src, count 1, seconds 60", I still see very few Alerts (129:12:0) in my terminal screen when I do test;
• ET rule are working, e.g. I can see an alert (sid 2008581) if I run an BitTorrent p2p test

 
I hope I clearly described the situations I am experiencing at moment.
 
Any idea/direction would be highly appreciated.
 
Many thanks in advance.
 
Regards
 
John
 
 

 

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Date: Thu, 2 Dec 2010 09:20:20 -0500
From: jes...@sourcefire.com

To: snortrep...@googlegroups.com
CC: snort...@lists.sourceforge.net
Subject: Re: [Snort-users] issues with Snort report 1.3&VRT rules&ET rules&threshold.conf

Try running it with just "instance 2" as you specified below, and see if you get alerts that way.

Joel

--
Joel Esler