ModSecurity--web应用防火墙

Introducing ModSecurity IIS 2.7.2 Stable Release

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swiatFebruary 11, 20130

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We are pleased to announce the release of a stable version of the open source web application firewall module ModSecurity IIS 2.7.2. Since the announcement of availability of the beta version in July 2012, we have been working very hard to bring the quality of the module to meet the enterprise class product requirements. In addition to numerous reliability improvements, we have introduced following changes since the first beta version was released:

• optimized performance of request and response body handling
• added “Include” directive, relative path and wildcard options to the configuration files
• re-written installer code to avoid .NET Framework dependency and added installation error messages to system event log
• integrated OWASP Core Rule Set in the MSI installer with IIS-specific configuration
• fixed about 10 functional bugs reported by ModSecurity IIS users.

Microsoft also released recently a TechNet article entitled “Security Best Practices to Protect Internet Facing Web Servers“, which explains in details benefits of deploying a WAF module on a web server.

Integrated OWASP Core Rule Set

In version 2.7.2 of ModSecurity IIS we have included OWASP Core Rules Set pre-configured to serve most common scenarios encountered on IIS server. The rule set gets installed into c:\inetpub\wwwroot\owasp_crs directory, from which it can be included in any web.config file by adding:

<ModSecurity enabled=”true” configFile=”owasp_crs\modsecurity_iis.conf” />

The default setting enables request body access, disables response body access, does not use audit log, and sets temporary files and data folder to c:\inetpub\temp. User can
enable or modify these and other features by uncommenting appropriate ModSecurity directives in modsecurity.conf ormodsecurity_crs_10_setup.conf files.

2012 Toolsmith Tool of the Year Award: ModSecurity for IIS

Russ McRee over at HolisticInfosec held open voting in January for the 2012 Toolsmith Tool of the Year Award and ModSecurity for IISwon!

We are glad that the Toolsmith readers found value in the IIS version of ModSecurity and we hope that it will help them to quickly mitigate emerging threats to their Microsoft IIS/ASP/.Net environments.

Acknowledgements

I would like to thank Nazim Lala and Ashish Kurmi from Microsoft for their help in module testing, Breno Silva and Ryan Barnett from Trustwave for continuous support of the IIS version, and Simon Kosinski for his valuable insights and suggestions.

Greg Wroblewski, MSRC