Using siproxd to allow VoIP through a firewall

Tuesday, 26 February 2008, 3:30 PM EST

Session Initiation Protocol (SIP) is a popular open standard for implementing Voice over Internet Protocol (VoIP) telephone calls. Siproxd is a SIP proxy server that can help you with network connectivity issues for SIP clients behind firewalls.

One major reason that you might use siproxd is to get around network address translation issues with SIP. Siproxd can run on a firewall machine that is directly connected to the Internet, meaning no address translation is needed. Clients on the intranet behind the firewall can then connect to siproxd.

At Linux.com

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Using Hollywood to improve your security program

Posted on 29 July 2014.  |  Tripwire CTO Dwayne Melancon spends a lot of time on airplanes, and ends up watching a lot of movies. Some of his favorite movies are adventures, spy stuff, and cunning heist movies. A lot of these movies provide great lessons that we can apply to information security.


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