January 2016
Intermediate to advanced
384 pages
8h 6m
English
book
Building Telephony Systems with OpenSIPS - Second Edition
by Flavio E. Goncalves, Flavio E Goncalves, Bogdan-Andrei Iancu
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Summary
Security is a major concern for any VoIP provider or PBX administrator. A single flaw in the security police can easily bankrupt a small company. Frauds spanning hundreds of thousands of dollars are quite common and you can easily find many cases in the news. A solid security implementation is key for any VoIP service. In this chapter, you learned how to apply firewall policies for OpenSIPS, block multiple failed authentication attempts, use PIKE to prevent SIP flooding, prevent DNS and registration poisoning, enable TLS for security and privacy, and install and configure the fraud detection module. Pay thorough attention to this chapter before implementing any OpenSIPS system. It can save you a lot of trouble and money.
In the next chapter, ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.