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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Extra security – hardware tokens, smart cards, and PKCS#11
In this section, we will provide some background information on cryptographic hardware devices. You will learn how to generate a private key on a hardware token, and how to copy the associated X.509 certificate to the token as well. After that, we will discuss how OpenVPN can find and use this certificate/private key pair to establish a VPN connection.
Background information
Starting with Version 2.1, OpenVPN supports two-factor authentication by providing PKCS#11 support. Two-factor authentication is based on the idea that in order to use a system (like a VPN) you need to provide two things:
- Something you know, for example, a password
- Something you possess, for example, a smart card or hardware ...
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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.