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Saving iptables rules – Debian Linux

I found it’d best to use the package: iptables-persistent for Debian/Ubuntu.

Since Ubuntu 10.04 LTS (Lucid) and Debian 6.0 (Squeeze) there is a package with the name “iptables-persistent” which takes over the automatic loading of the saved iptables rules. To do this, the rules must be saved in the file /etc/iptables/rules.v4 for IPv4 and /etc/iptables/rules.v6 for IPv6.

To install simply run:

apt-get install iptables-persistent

It will ask if you if you’d like to save your current rules to the /etc/iptables/rules.v4 file. You might as well say yes, and then modify that file if you need to.

Make sure to reboot to test to ensure your rules are correctly loaded upon reboot.

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