October 2008
Beginner
220 pages
5h 26m
English
Content preview from Hacking VoIPBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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SIP Security Attacks
Now that we know the basics of SIP authentication and encryption, let's discuss some of the security attacks. It is no secret that SIP has several security vulnerabilities; some are documented in the RFC itself, and a simple web search for VoIP security issue will return several hits that involve SIP security weaknesses.
While an entire book could be devoted to SIP security attacks, we'll focus on VoIP attacks on devices using SIP for the session setup. We'll cover a few of the more popular attacks in the most critical attack classes, namely:
Username enumeration
SIP password cracking (dictionary attack)
Man-in-the-middle attack
Registration hijacking
Spoofing Registrars and Proxy servers
Denial of Service, including
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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.
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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.