May 2018
Intermediate to advanced
326 pages
8h 32m
English
Content preview from Practical Network Scanning
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Point-to-Point tunneling protocol
PPTP remains a popular network protocol – especially on Windows computers - and it is one of the oldest protocols still in use. This has been developed by Microsoft to encapsulate another protocol called point-to-point. PPTP uses underlying authentication protocols such as MS-CHAP (Challenge Handshake Authentication Protocol (CHAP))—v1/v2, which are subject to serious security vulnerabilities. PPTP VPN encrypts data using 128-bit encryption, which makes it the fastest, but the weakest in terms of security.
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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.