How to save your iptables firewall rules using the iptables-persistent package for Linux.

The iptables firewall is the built-in firewall for protecting a Linux machine from online threats. But the settings are not save upon a re-boot. This is easily alleviated by installing the iptables-persistent package for Ubuntu. Once this is installed, you will be greeted with a screen that will ask you if you wish to save your iptables rules. Answer yes to both questions and the application will save your rules safely in case of a re-boot of the desktop or server the firewall is on.

Type this command to install this application.

sudo apt-get install iptables-persistent

There is another blog posting here: http://ekuric.wordpress.com/2013/05/05/iptables-persistent/. This page also describes the iptables-persistent package. This will be a great help for anyone who is using the iptables firewall on Linux.

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