August 2015
Intermediate to advanced
364 pages
7h 35m
English
Content preview from Mastering 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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Plugins
Due to the ease of scripting, the OpenVPN plugin interface is a relatively underutilized tool available to OpenVPN server administrators. OpenVPN, by default, ships with a pair of plugins, one for PAM authentication and another for executing --down scripts with root privileges, regardless of whether the administrator de-escalates privileges.
Down-root
It's a good idea to drop privileges within OpenVPN, and the down-root plugin allows you to do that. Applications like firewalls require escalated privileges to add and remove firewall rules. By utilizing the
down-root plugin, an administrator can provide new firewall rules upon a client connection as well as the ability for the removal of those rules once the client disconnects.
A usage scenario ...
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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.