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		<id>https://wiki.owasp.org/index.php?action=history&amp;feed=atom&amp;title=OWASP_ModSecurity_Core_Rule_Set_Project</id>
		<title>OWASP ModSecurity Core Rule Set Project - Revision history</title>
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		<updated>2026-05-27T09:04:31Z</updated>
		<subtitle>Revision history for this page on the wiki</subtitle>
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	<entry>
		<id>https://wiki.owasp.org/index.php?title=OWASP_ModSecurity_Core_Rule_Set_Project&amp;diff=67141&amp;oldid=prev</id>
		<title>Jeremy.long at 00:11, 4 August 2009</title>
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				<updated>2009-08-04T00:11:30Z</updated>
		
		<summary type="html">&lt;p&gt;&lt;/p&gt;
&lt;table class=&quot;diff diff-contentalign-left&quot; data-mw=&quot;interface&quot;&gt;
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				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;← Older revision&lt;/td&gt;
				&lt;td colspan='2' style=&quot;background-color: white; color:black; text-align: center;&quot;&gt;Revision as of 00:11, 4 August 2009&lt;/td&gt;
				&lt;/tr&gt;&lt;tr&gt;&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot; id=&quot;mw-diff-left-l3&quot; &gt;Line 3:&lt;/td&gt;
&lt;td colspan=&quot;2&quot; class=&quot;diff-lineno&quot;&gt;Line 3:&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Image:Owasp_logo_normal.jpg|right]]The ModSecurity Core Rule Set (CRS) is a free, generic set of web application firewall rules that provide valuable protection against web attacks. In 2009, the CRS was made into an official OWASP project (http://www.owasp.org/index.php/Category:OWASP_ModSecurity_Core_Rule_Set_Project) to help facilitate the development of the rules. This presentation will provide an overview of the CRS version 2.0 functionality, how it works and all of the new features including - - Snort web attack signatures Includes a large rule set of converted Emerging Threats? Snort web attack signatures and Breach Security Labs will continue to periodically release new signatures. - Collaborative rules Now operates in a collaborative fashion where all CRS rules can set transactional variables to specify what rule matched, the location of the match and what payload data matched. - Anomaly scoring Each rule now contributes to the overall anomaly score and users can choose what threshold is appropriate for their site. - Easier exception handling Users are now able to add in their own local exceptions to override the CRS checks without needing to edit the rules themselves.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Image:Owasp_logo_normal.jpg|right]]The ModSecurity Core Rule Set (CRS) is a free, generic set of web application firewall rules that provide valuable protection against web attacks. In 2009, the CRS was made into an official OWASP project (http://www.owasp.org/index.php/Category:OWASP_ModSecurity_Core_Rule_Set_Project) to help facilitate the development of the rules. This presentation will provide an overview of the CRS version 2.0 functionality, how it works and all of the new features including - - Snort web attack signatures Includes a large rule set of converted Emerging Threats? Snort web attack signatures and Breach Security Labs will continue to periodically release new signatures. - Collaborative rules Now operates in a collaborative fashion where all CRS rules can set transactional variables to specify what rule matched, the location of the match and what payload data matched. - Anomaly scoring Each rule now contributes to the overall anomaly score and users can choose what threshold is appropriate for their site. - Easier exception handling Users are now able to add in their own local exceptions to override the CRS checks without needing to edit the rules themselves.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;−&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== The &lt;del class=&quot;diffchange diffchange-inline&quot;&gt;speakers &lt;/del&gt; ==&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;+&lt;/td&gt;&lt;td style=&quot;color:black; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;== The &lt;ins class=&quot;diffchange diffchange-inline&quot;&gt;speaker &lt;/ins&gt; ==&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Ryan C. Barnett is the Director of Application Security Research at Breach Security where he leads Breach Security Labs. He is a frequent speaker at industry conferences such as Blackhat and is a Faculty Member for the SANS Institute and Team Lead for the Center for Internet Security Apache Benchmark Project. He is the OWASP ModSecurity Core Rule Set (CRS) Project Leader and a member of the Web Application Security Consortium where he leads the Distributed Open Proxy Honeypot Project. Mr. Barnett has also authored a web security book for Addison/Wesley Publishing entitled &amp;quot;Preventing Web Attacks with Apache&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;Ryan C. Barnett is the Director of Application Security Research at Breach Security where he leads Breach Security Labs. He is a frequent speaker at industry conferences such as Blackhat and is a Faculty Member for the SANS Institute and Team Lead for the Center for Internet Security Apache Benchmark Project. He is the OWASP ModSecurity Core Rule Set (CRS) Project Leader and a member of the Web Application Security Consortium where he leads the Distributed Open Proxy Honeypot Project. Mr. Barnett has also authored a web security book for Addison/Wesley Publishing entitled &amp;quot;Preventing Web Attacks with Apache&amp;quot;.&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:OWASP_AppSec_DC_09]] [[Category:OWASP_Conference_Presentations]]&lt;/div&gt;&lt;/td&gt;&lt;td class='diff-marker'&gt;&amp;#160;&lt;/td&gt;&lt;td style=&quot;background-color: #f9f9f9; color: #333333; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #e6e6e6; vertical-align: top; white-space: pre-wrap;&quot;&gt;&lt;div&gt;[[Category:OWASP_AppSec_DC_09]] [[Category:OWASP_Conference_Presentations]]&lt;/div&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;</summary>
		<author><name>Jeremy.long</name></author>	</entry>

	<entry>
		<id>https://wiki.owasp.org/index.php?title=OWASP_ModSecurity_Core_Rule_Set_Project&amp;diff=67083&amp;oldid=prev</id>
		<title>Jeremy.long: Created page with '== The presentation  ==  rightThe ModSecurity Core Rule Set (CRS) is a free, generic set of web application firewall rules that provide valuable p…'</title>
		<link rel="alternate" type="text/html" href="https://wiki.owasp.org/index.php?title=OWASP_ModSecurity_Core_Rule_Set_Project&amp;diff=67083&amp;oldid=prev"/>
				<updated>2009-08-03T19:38:44Z</updated>
		
		<summary type="html">&lt;p&gt;Created page with &amp;#039;== The presentation  ==  &lt;a href=&quot;/index.php/File:Owasp_logo_normal.jpg&quot; title=&quot;File:Owasp logo normal.jpg&quot;&gt;right&lt;/a&gt;The ModSecurity Core Rule Set (CRS) is a free, generic set of web application firewall rules that provide valuable p…&amp;#039;&lt;/p&gt;
&lt;p&gt;&lt;b&gt;New page&lt;/b&gt;&lt;/p&gt;&lt;div&gt;== The presentation  ==&lt;br /&gt;
&lt;br /&gt;
[[Image:Owasp_logo_normal.jpg|right]]The ModSecurity Core Rule Set (CRS) is a free, generic set of web application firewall rules that provide valuable protection against web attacks. In 2009, the CRS was made into an official OWASP project (http://www.owasp.org/index.php/Category:OWASP_ModSecurity_Core_Rule_Set_Project) to help facilitate the development of the rules. This presentation will provide an overview of the CRS version 2.0 functionality, how it works and all of the new features including - - Snort web attack signatures Includes a large rule set of converted Emerging Threats? Snort web attack signatures and Breach Security Labs will continue to periodically release new signatures. - Collaborative rules Now operates in a collaborative fashion where all CRS rules can set transactional variables to specify what rule matched, the location of the match and what payload data matched. - Anomaly scoring Each rule now contributes to the overall anomaly score and users can choose what threshold is appropriate for their site. - Easier exception handling Users are now able to add in their own local exceptions to override the CRS checks without needing to edit the rules themselves.&lt;br /&gt;
&lt;br /&gt;
== The speakers  ==&lt;br /&gt;
&lt;br /&gt;
Ryan C. Barnett is the Director of Application Security Research at Breach Security where he leads Breach Security Labs. He is a frequent speaker at industry conferences such as Blackhat and is a Faculty Member for the SANS Institute and Team Lead for the Center for Internet Security Apache Benchmark Project. He is the OWASP ModSecurity Core Rule Set (CRS) Project Leader and a member of the Web Application Security Consortium where he leads the Distributed Open Proxy Honeypot Project. Mr. Barnett has also authored a web security book for Addison/Wesley Publishing entitled &amp;quot;Preventing Web Attacks with Apache&amp;quot;.&lt;br /&gt;
&lt;br /&gt;
[[Category:OWASP_AppSec_DC_09]] [[Category:OWASP_Conference_Presentations]]&lt;/div&gt;</summary>
		<author><name>Jeremy.long</name></author>	</entry>

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