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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Authentication and plugins
Apart from X.509 tools, OpenVPN provides a mechanism to use authentication plugins along with client connection scripts. It is possible to remove the requirement for client certificates using --client-cert-not-required (deprecated in 2.4, removed in 2.5 in favor of --verify-client-cert). In this case, authentication rests solely upon the --auth-user-pass-verify option.
If --client-config-dir is still desired without client certificates, you will need to leverage --username-as-common-name. Of course, if you're going to require usernames and passwords, it is necessary to add the --auth-user-pass option to all the client configuration files.
The --auth-user-pass-verify script is the last in a long chain of scripts that are ...
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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.