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How to setup Asterisk/FreePBX behind NAT

This HOWTO assumes that your FreePBX system is sitting behind a NATed firewall with no direct connection to the outside world and it is NOT in the DMZ zone. If you have your system facing outside, or have used Mapped IP addresses or other techniques, then it is assumed that you have adequate knowledge to interpret these instructions and also assure that you have properly secured your installation.

The three key considerations in setting up remote extensions are:

HOWTO Setup A Remote SIP Extension

This HOWTO assumes that your FreePBX system is sitting behind a NATed firewall with no direct connection to the outside world and it is NOT in the DMZ zone. If you are relying on this article to set-up your system, DO NOT place your system on a public IP address or a DMZ zone. This article does not address the potential security implications involved in such a setup.

The four key considerations in setting up remote extensions are:

Setting up a new Java version with the Linux Alternatives system

To install the Oracle Java JRE after the .rpm installation as the default Java on a linux system: <the current example below will install version 6 update 35>

Note: The best command for the Java JDK install is : yum localinstall <package-name-of-jdk>

 

alternatives --install /usr/bin/java java /usr/java/jre1.6.0_35/bin/java 20000 --slave /usr/bin/keytool keytool /usr/java/jre1.6.0_35/bin/keytool --slave /usr/bin/orbd orbd /usr/java/jre1.6.0_35/bin/orbd

 

 

 

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