October 2020
Intermediate to advanced
481 pages
17h 35m
English
Content preview from Network Security, Firewalls, and VPNs, 3rd Edition
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Secure Sockets Layer (SSL)/Transport Layer Security (TLS)
One of the key VPN protocols today is SSL/TLS, which is the main alternative for a VPN solution if you do not want to leverage an IPSec solution. However, before you consider this protocol in conjunction with VPNs, it is important to understand the origin of this protocol.
If you have ever surfed the World Wide Web (WWW), you have used the Hypertext Transfer Protocol (HTTP) to connect to a website. One of the drawbacks of HTTP is that it does not include the ability to encrypt or otherwise protect the data stream between the client and server. This was not an issue until the early 1990s, when the need to protect against eavesdropping on communications became critical to the ultimate ...
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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.