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Basic Ubuntu Linux Firewall Configuration

2 bytes added, 20:21, 25 June 2007
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A firewall is a vital component in protecting a computer system, or network of computers from external attack (typically from an internet connection). Any computer connected directly to an internet connection must run a firewall to protect against malicious activity. Similarly, any internal network must have some form of firewall between it and an external internet connection.
Ubuntu Linux is supplied with powerful firewall technology known as ''iptables'' built-in. Entire books can, and indeed have, been written about configuring iptables. If you wouild like to learn about ''iptables'' we recommend [http://www.linuxtopia.org/Linux_Firewall_iptables/index.html Linux Firewall Configuration - Packet Filtering and iptables].  Fortunately Ubuntu Linux also provides some tools which make firewall configuration for the average user easy. This chapter will cover the steps necessary to configure an Ubuntu Linux firewall using those tools.
== Ubuntu Linux Firewall Options ==

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