October 2020
Intermediate to advanced
481 pages
17h 35m
English
Content preview from Network Security, Firewalls, and VPNs, 3rd Edition
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VPN Troubleshooting
To successfully troubleshoot and resolve VPN issues, you must be organized, methodical, and prepared. Like anything else on your network, the VPN will experience an issue at some point. The preparations you undertake during installation and maintenance will prove to be critical components of your troubleshooting process.
Before you start troubleshooting your VPN issue, have access to the following information:
- A network diagram showing the placement of the VPN and other key network components like firewalls, routers, and switches
- A copy of the current VPN configuration
- Any error, system, or alert logs
- An operations guide
- Maintenance logs and change management records
Now that you have your basic information, you can start ...
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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.