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Securing Asterisk IP-PBX with Fail2Ban
What is Fail2Ban? Any service that is exposed to the internet is susceptible to attacks from malicious parties. If your service requires authentication, illegitimate users and bots will attempt to break into your system by repeatedly trying to authenticate using different credentials. A common example of this is with SSH, which will be the subject […]
Howto setup Asterisk 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 […]
Installing the Free G729 Codec for Asterisk
This tutorial will let you install the G729 Codec on an Asterisk installation in under 5 minutes. Navigate to the codecs directory: cd /usr/lib/asterisk/modules Download the codec Codecs are provided as binary .so files, you can find the archive at http://asterisk.hosting.lv/#bin Take care of the following when picking up one of the files, they depend […]