Tag : firewall

How Exactly Does Asterisk Know What IP To Send RTP Traffic To?

Posted November 23, 2015 by Kevin Long & filed under Asterisk Users Comments: 1.

Tags: asterisk, firewall, IP headers, pbx, public ip, VPN

I have a somewhat confusing use case.We use a mobile voip app and our users connect to our PBX via a public IP of our firewall which port forwards to asterisk (TLS and SRTP ports). Works fine. Sometimes however, our users are also connected to our ..

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How To Secure An Asterisk Server

Posted February 6, 2012 by Pavel Espinal & filed under Asterisk Tips, General Comments: 0.

Tags: asterisk, asterisk security, asterisk under heavy attacks, bandwidth consumption, default, default ports, fail2ban, firewall, hardware firewall, linkedin, order, secure asterisk server, software firewall, strict pattern matching, strong password, voip blacklist

If your Asterisk box is facing the Internet and you are being constantly flooded with break-in attempts, you might want to follow these steps in order to secure your Aster..

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H.323 Video Conferencing with GNU Gatekeeper

Posted January 4, 2012 by Pavel Espinal & filed under VoIP News Comments: 0.

Tags: Conferencing, firewall, firewall rules, GNU, gnugk, h.323 video conference, h.323 video conferencing, h323 video, ipv4 network, jan willamowius, linkedin, sorenson, support

H.323 Video Conferencing with GNU Gatekeeper has been improved with the new released announced by Jan Willamowius, Founder of the GNU Gatekeeper Project.A new major release of the GNu Gatekeeper has been anounced. This new version has many new featu..

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