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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UDP troubleshooting
As a general rule, UDP is a better option for VPN traffic than TCP. TCP works very hard to ensure that every single packet makes it across the wire (or any other medium) uncorrupted and in order. For some things, such as SSH, file transfers, and web traffic, this is a good thing; we expect the resulting content to be legible and generally in its original form.
When connectivity is reliable with relatively little packet loss, TCP can function just fine for VPN. When that link drops packets and becomes unreliable, the problem can be amplified dramatically when the encapsulated traffic is also using TCP. The resulting traffic includes retransmit from both the OpenVPN processes at either end and the encapsulated traffic at both ...
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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.