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RTPbleed Security Alert: Asterisk Calls Can Be Intercepted

RTPbleed Security Alert: Asterisk Calls Can Be Intercepted

Friday, September 8, 2017

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If you’ve installed Asterisk® during the past 4½ years, your server has a MAJOR security problem. If you didn’t already know, with Asterisk, your VoIP conversations actually are carried over a random UDP port using the Real Time Protocol (RTP), not the SIP port (UDP 5060) which handles the setup and teardown of your VoIP connections. It turns out that, since March 2013, all of that RTP traffic and thus your conversations could be intercepted and redirected by anyone on… Read More ›

Introducing a New WhiteList Security Model for Wazo

Introducing a New WhiteList Security Model for Wazo

Monday, February 20, 2017

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Today we’re pleased to introduce a new state-of-the-art Travelin’ Man 3 firewall implementation for 2017. Five years ago, we developed a new security model for Asterisk® servers that whitelisted those needing access while blocking everyone else. The design was simple. You can’t attack what you can’t see. Three years ago, we made Travelin’ Man 3 more flexible for remote users with the addition of PortKnocker, a terrific tool providing temporary remote server access using a random three-number code. Today’s release… Read More ›

XiVO Nirvana: Cloud Hosting with SIP Service for 15¢ a Day

XiVO Nirvana: Cloud Hosting with SIP Service for 15¢ a Day

Wednesday, November 9, 2016

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Unlike in the Ma Bell era, the real beauty of VoIP technology is being able to experiment with different providers and never having to put all your eggs in one basket. And today we’re pleased to introduce a new XiVO hosting and trunk combination that provides first-class service at truly incredible price points. For the XiVO cloud provider, we’ve chosen OVH, a cloud platform that was recommended to us by our friends at 3CX. It also works great with the… Read More ›

Security 101: A Fresh Look at Incredible PBX Security Audit Methodology

Security 101: A Fresh Look at Incredible PBX Security Audit Methodology

Tuesday, August 9, 2016

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Embed from Getty Images Incredible PBX remains one of the most secure VoIP server platforms on the planet for one simple reason. We always deploy a preconfigured Linux IPtables firewall with a whitelist that hides your server from everyone except you and trusted VoIP providers. IPtables is automatically configured and deployed as part of every initial install of Incredible PBX regardless of your platform. This includes XiVO with Debian 8 as well as CentOS 6 and 7, Ubuntu 14.04, Raspbian… Read More ›

Wazo Trunks Tutorial: Installing a Skype Connect SIP Trunk

Wazo Trunks Tutorial: Installing a Skype Connect SIP Trunk

Thursday, June 30, 2016

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Skype has been a free calling favorite for many of us for a very long time. Don’t confuse that history with Microsoft’s Skype Connect SIP trunks. These are pure SIP trunks that happen to be hosted by Microsoft under the Skype name. They’re not only not free. They’re expensive. Here’s a quick overview from Microsoft: Skype Connect provides connectivity between your business and the Skype community. By adding Skype Connect to your existing SIP-enabled PBX, your business can save on… Read More ›

Wazo Trunks Tutorial: Installing a RingPlus SIP Trunk

Wazo Trunks Tutorial: Installing a RingPlus SIP Trunk

Friday, May 27, 2016

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RingPlus brings a unique SIP trunking opportunity to Wazo. You not only get free SIP calls within the United States, but you also get a Sprint cellular account with free U.S. calls, free SMS messaging, and free bandwidth. The amount of each depends upon the plan you signed up for. Most of the plans have no monthly charges and only a nominal up-front charge. SIP calls are treated just like cellular calls except they use Sprint’s Internet backbone rather than… Read More ›

Wazo Trunks Tutorial: Installing a VoIP.ms SIP Trunk

Wazo Trunks Tutorial: Installing a VoIP.ms SIP Trunk

Friday, May 27, 2016

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Setting Up a SIP Trunk at VoIP.ms VoIP.ms has one of the best customer portals in the business. Spend some time getting familiar with it! 1. Sign up for a VoIP.ms account. 2. Login to your VoIP.ms account. You can order a DID here.1 3. Create a new Subaccount to use with Wazo. Usernames begin with your account number, an underscore character, and up to 12 alphanumeric characters of your choosing. Be sure to specify User/Password Authentication with Asterisk as… Read More ›

Taking a Fresh Look at the Asterisk, FreePBX, and Incredible PBX Security Models

Taking a Fresh Look at the Asterisk, FreePBX, and Incredible PBX Security Models

Monday, April 18, 2016

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Embed from Getty Images About once a year, we try to shine the spotlight on Asterisk® security in hopes of saving lots of organizations and individuals a little bit (or a lot) of money. In light of last week’s major security lapse in the Asterisk® dialplan of those using FreePBX® since the Asterisk@Home days, now seemed like a good time for a review. As we’ve noted before, the problem with open source phone systems is they’re open source phone systems.… Read More ›

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