March 2017
Intermediate to advanced
178 pages
3h 48m
English
Content preview from Troubleshooting OpenVPNBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Duplicate client certificates
By default, OpenVPN expects each remote client to connect using a unique certificate for identification and encryption purposes. The common name (CN), is used to generate configuration options, identify a persistent IP (--ifconfig-pool-persist), and CCD (--client-config-dir) entries. In addition, startup scripts may use the CN to generate dynamic routes, firewall rules, and other access policies.
For the majority of general road-warriors, special routing, and firewall rules are not the norm. In this scenario, the user connects to the VPN, is given an IP address from the server, and they will then have access to the resources of the corporate network. More advanced configurations may provide differing pushed routes ...
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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.