March 2004
Intermediate to advanced
360 pages
8h 54m
English
Content preview from POWER UP YOUR SMALL-MEDIUM BUSINESS: A GUIDE TO ENABLING NETWORK TECHNOLOGIES
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Chapter 6: Intranets, Extranets, and Virtual Private Networks (VPNs)
(127)
• Data Encryption Standard/Triple Data Encryption Standard (DES/
3DES)—DES uses a 56-bit secret key encryption system for security.
3DES (DES applied three times) results in effective 168-bit secret key
security.
• Advanced Encryption Standard (AES)—AES is available in three
secret key sizes (128-bit, 192-bit, and 256-bit). The higher the number of
bits in the key, the harder it is for hackers to break the key. AES is
designed to replace single DES, but it will coexist with 3DES, which will
remain a government-sanctioned encryption algorithm for the
foreseeable future.
QoS ...
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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.