May 2025
Intermediate to advanced
646 pages
15h 55m
English
Content preview from Mastering Palo Alto Networks - Third Edition
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11
Virtual Private Networks (VPNs)
There are several ways of connecting devices in a secure way. In this chapter, we will learn about site-to-site VPNs and the challenges you may encounter when connecting to different vendors. Palo Alto Networks firewalls currently support the following protocols:
- Generic Routing Encapsulation (GRE) is a fairly old protocol that is not very secure but can be useful if legacy devices need to be connected to the firewall to provide rudimentary security to the encapsulated packets.
- Internet Protocol Security (IPSec) is the de facto tunneling protocol between remote sites and can be used for very strong encryption.
- Secure Socket Layer (SSL), which is really Transport Layer Security (TLS), is used to connect endpoints ...
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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.