Continue improvements in hardening what can be detected

[renoirb]

Continue improving hardening started in webplatform/ops#100.

• [ ] Setup fail2ban to detect and ban "Possible break in attempt" attackers
• [ ] Setup PSAD, and its required iptables rules.
• [ ] Setup iptables logging?

  Links

• http://stackoverflow.com/questions/21763460/fail2ban-rules-not-working
• http://denyhosts.sourceforge.net/
• http://www.haka-security.org/hakabana.html ref webplatform/ops#142
• https://speakerdeck.com/barnbarn/handmade-security-at-etsy

[renoirb]

Mistakenly closed.