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From the Ubuntu Wiki: "The Uncomplicated Firewall (ufw) is a frontend for iptables and is particularly well-suited for host-based firewalls. ufw provides a framework for managing and manipulating the firewall. ufw aims to provide an easy to use interface for people unfamiliar with firewall concepts, while at the same time simplifies complicated iptables commands to help an adminstrator who knows what he or she is doing."


Ufw is installed by MEPIS 11 during the default installation as a CLI app. (It should be noted that a graphical user interface to ufw known as Gufw is also available in Synaptic.) By default ufw is enabled but all ports are left open, so be sure to change that. You can change the default as a root command:

ufw default deny

And to disable ufw the root command:

ufw disable

Related Mepis Wiki Links

  • Firewall -- Guide to configuring a redundant firewall architecture.
  • Guarddog -- Guarddog graphical iptables editing application.
  • Firestarter -- Firestarter graphical iptables editing application.
  • Gufw -- Gufw graphical user interface to the command line interface, ufw, for editing iptables.
  • Enabling Firewall for P2P Applications -- Firewall configuration for P2P applications such as Gnutella, Frostwire, Limewire, etc.
  • Webmin -- Web based system administration tool that contains a module to configure the firewall and routing capabilities of the kernel. Very flexible and powerful but somewhat complex.
  • Iptables -- Example of firewall configuration using iptables.

Other Related Resources

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