1. IPTables Example Config,
http://networking.ringofsaturn.com/Unix/iptables.php
(retrieved September 2014)
2. PF: The OpenBSD packet filter,
http://www.openbsd.org/faq/pf/
3. Cisco IOS firewall – configuring IP access lists. Document ID: 23602 (December 2007),
http://www.cisco.com/c/en/us/support/docs/security/ios-firewall/23602-confaccesslists.html
4. Bartal, Y., Mayer, A., Nissim, K., Wool, A.: Firmato: A novel firewall management toolkit. In: Symposium on Security and Privacy, pp. 17–31. IEEE (1999)
5. Lecture Notes in Computer Science;A.D. Brucker,2008