Re: IP REP / Pulled Pork / Snort Difficulties

[Y M <snort () outlook com>]

inline.
 
From: anshuman () cybage com
To: snort-users () lists sourceforge net
Date: Fri, 7 Mar 2014 13:59:34 +0000
Subject: Re: [Snort-users] IP REP / Pulled Pork / Snort Difficulties









Hi YM,
 
So to have two configurations, we should have 2 pulledpork config files, right?  Not necessarily, but yes. You have one 
configuration file and modify it based on what you are trying to accomplish.  Also if you could elaborate what goes 
wrong by not having 2 configs would help. There shouldn't be anything wrong in not having two different configuration 
files. If you use PulledPork to download the ruleset (and IP list) and then process them together, then you should 
stick with one configuration file. In our setup this is not doable due to how/where our sensors are located. We 
download the rules to a "staging" sensor for testing/researching before applying to production sensors. In other words, 
the ruleset is processed locally (not downloaded) by PulledPork. In this case, the local IP list does not get process, 
so we PulledPork again with only the IP list url enabled to only download and process the IP list
 
Thanks.
 
Regards,
Anshuman
 


From: Y M [mailto:snort () outlook com]


Sent: Thursday, March 6, 2014 10:31 PM

To: Turnbough, Bradley E.; snort-users

Subject: Re: [Snort-users] IP REP / Pulled Pork / Snort Difficulties


 

Hi Bradley;

 

What I have noticed is that the ability to process IP lists "offline"/locally as PulledPork would with rulesets  dose 
not seem to be implemented. If it is, then both of us are making the same mistake :).  What I do is that I run 
PulledPork twice, once against
 the configs to process rulesets locally,  and the second time against configs to only fetch the IP list and process 
it. 

 

YM

 

> From: 
bturnbough () belcan com

> To: snort-users () lists sourceforge net

> Date: Thu, 6 Mar 2014 16:44:39 +0000

> Subject: [Snort-users] IP REP / Pulled Pork / Snort Difficulties

>

> Good Morning,

>

> I'm having some difficulties getting the ip reputation piece up and working the way that I want it. Can someone 
> please correct me where I am wrong?

>

> PulledPork 0.7.0

> Snort 2.9.5.5

>

> PulledPork configuration:

> rule_url=http://labs.snort.org/feeds/ip-filter.blf|IPBLACKLIST|open<http://labs.snort.org/feeds/ip-filter.blf%7CIPBLACKLIST%7Copen>

> black_list=/etc/snort/rules/black_list-p2p1.rules

> IPRVersion=/etc/snort/rules/

>

> Snort configuration:

>

> var WHITE_LIST_PATH rules

> var BLACK_LIST_PATH rules

>

> preprocessor reputation: \

> memcap 500, \

> priority whitelist, \

> nested_ip inner, \

> # whitelist $WHITE_LIST_PATH/white_list-p2p1.rules, \

> blacklist $BLACK_LIST_PATH/black_list-p2p1.rules

>

>

> I have a cron script that downloads the ip list every night at a predetermined time:

>

> wget -v http://labs.snort.org/feeds/ip-filter.blf -O /opt/pulledpork/tmp/sigs/IPBLACKLIST

>

> The machine has multiple interfaces, so I only want to download the file once and then process from that downloaded 
> copy for all interfaces. Pulled pork is run with the '-P' so that rules are processed even though they weren't 
> downloaded and '-n' "do everything
 other than download of new files (disablesid, etc).

>

> So, the steps would be:

>

> 1) download file and place it in /opt/pulledpork/tmp/sigs/IPBLACKLIST

> 2) run pulledpork and process the rules / ip lists.

> 3) PP then generates a ipblacklist file called 'black_list-p2p1.rules' and places it in 
> /etc/snort/rules/black_list-p2p1.rules

>

> Everything except for this ip reputation is working properly, and has been working properly for some time.

>

> Does anyone have a clue why this isn't working?

>

> Thanks,

>

> Brad

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