19.2. The Linux Firewall Module
This module can be used to set up a firewall on a Linux system with IPtables enabled, or to edit any part of an existing firewall. It stores the firewall configuration in a save file created and read by the iptables-save and iptables-restore commands, not in a shell script containing calls to the iptables command. Red Hat, Debian, and Gentoo Linux all use a save file like this as standard, which Webmin knows about and will work with.
If you have manually created a firewall using a shell script and want to use this module to edit it from now on, it will have to be converted to an IPtables save file so that Webmin can edit it. Fortunately, the module can do this for you automatically—all you have to do is stop your ...
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