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 ###Security
 * [OWASP Top 10 for .NET Developers](http://www.troyhunt.com/2011/12/free-ebook-owasp-top-10-for-net.html)
+* [Intrusion Detection Systems with Snort](http://ptgmedia.pearsoncmg.com/images/0131407333/downloads/0131407333.pdf)
 
 ###Sed
 * [Sed - An Introduction and Tutorial](http://www.grymoire.com/Unix/Sed.html)