I was looking at these articles, there are few variances
http://joshrendek.com/2013/01/securing-ubuntu/#sysctl -- taken from NSA recommendations
http://www.cyberciti.biz/faq/linux-kernel-etcsysctl-conf-security-hardening/ -- great linux site in general I've found
I created a gist/diff to see the differences, some were just adding comments. Some good definitions are here: http://wwwx.cs.unc.edu/~sparkst/howto/network_tuning.php but I'm no linux guru at this level of networking
Which setting should I use for a web server?
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