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Threshold is an ORM to map to Snort 2.9.x threshold.conf files.

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snort-thresholds

Join the chat at https://gitter.im/shadowbq/snort-thresholds Gem Version Gem

Threshold is an ORM to map to Snort 2.9.x threshold.conf files.

It currently supports all standalone snort filters generally found in a threshold configuration. These include suppressions, event_filters, and rate_filters as defined in Snort README.filters.

Code Status

Build Status Code Climate Test Coverage GitHub tag

Stable (travis-ci passing) tags are release as gems, but are NOT marked as stable-0.1.0 or the like.

Installation

$> gem install threshold

Usage

This is an example Threshold accessing /tmp/threshold.conf for loading, appending a new suppression, validiating the configuration, and writing the changes back to the file (flush).

2.1.2 :001 > require 'threshold'
 => true 
2.1.2 :002 > a = Threshold::Thresholds.new
 => [] 
2.1.2 :003 > a.file = '/tmp/threshold.conf'
 => "/tmp/threshold.conf" 
2.1.2 :004 > a.loadfile
 => [{"SUPPRESSION"=>["suppress gen_id 1, sig_id 2"], "GID"=>["1", nil, nil], "SID"=>["2", nil, nil]}, {"SUPPRESSION"=>["suppress gen_id 444, sig_id 2"], "GID"=>["444", nil, nil], "SID"=>["2", nil, nil]}] 
2.1.2 :005 > a.valid?
 => true 
2.1.2 :006 > b = Threshold::Suppression.new
 => #<Threshold::Suppression:0x00000002a576f0> 
2.1.2 :007 > b.gid=124
 => 124 
2.1.2 :008 > b.sid=45544
 => 45544 
2.1.2 :009 > a << b
 => [#<Threshold::Suppression:0x00000002a87b98 @gid=1, @sid=2>, #<Threshold::Suppression:0x00000002a846c8 @gid=444, @sid=2>, #<Threshold::Suppression:0x00000002a576f0 @gid=124, @sid=45544>] 
2.1.2 :010 > a.flush
 => true 

Filtering the Threshold Object can be achieved with common Array like methods. (ex. reject )

require 'threshold'
a = Threshold::Thresholds.new
a.file = '/tmp/threshold.conf'
a.loadfile
a = a.reject{|t| t.gid==1}

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Threshold is an ORM to map to Snort 2.9.x threshold.conf files.

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