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3.6. References
• The Ubuntu Firewall2 wiki page contains information on the development of ufw.
• Also, the ufw manual page contains some very useful information: man ufw.
• See the packet-filtering-HOWTO3 for more information on using iptables.
• The nat-HOWTO4 contains further details on masquerading.
• The IPTables HowTo5 in the Ubuntu wiki is a great resource.
2 https://wiki.ubuntu.com/UncomplicatedFirewall
3 http://www.netfilter.org/documentation/HOWTO/packet-filtering-HOWTO.html
4 http://www.netfilter.org/documentation/HOWTO/NAT-HOWTO.html
5 https://help.ubuntu.com/community/IptablesHowTo