Securing Your Asterisk VoIP Server with IPTables 27 DECEMBER 2013 on Asterisk, V

Securing Your Asterisk VoIP Server with IPTables

Here I am writing with the assumption that you already know the basics of IPTables, as well as how to make the rules persist across reboots. Refer to tutorials on the web for these. In this article, your server’s internet-facing network interface is assumed to be eth0.