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<td width="20%">[[Configuring Ubuntu 11.04 Printers|Previous]]<td align="center">[[Ubuntu_11.04_Essentials|Table of Contents]]<td width="20%" align="right">[[Using gufw and ufw to Configure an Ubuntu 11.04 Firewall|Next]]</td>
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<td width="20%">Configuring Ubuntu 11.04 Printers<td align="center"><td width="20%" align="right">Using gufw and ufw to Configure an Ubuntu 11.04 Firewall</td>
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A firewall is a vital component in protecting an individual computer system or network of computers from external attack (typically from an internet connection). Any computer connected directly to an internet connection should ideally 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.
