OpenSSH tunneling guide

“Welcome to the Warp Zone!”

Published: Apr 13 2024

The OpenSSH client has a lot of very powerful features for tunneling applications through a SSH connections and is one of my favorite tools for quick-and-dirty network plumbing tasks. It can be very useful for fixing/bypassing connectivity issues (caused by NATs, firewalls), accessing internal networks. This post is an overview of the different tunneling options available in OpenSSH. This is inteded as a reference to use when I am explaining (every so often) how to use SSH for tunneling.

Foo over SSH

Using SSH as a transport for your protocol

Published: Aug 2 2017

A comparison of the different solutions for using SSH2 as a secured transport for protocols/services/applications.

Terminal read-only live sharing

Published: Oct 18 2016

Live sharing a terminal session to another (shared) host over SSH in read-only mode.

OpenSSH ProxyUseFdPass

Published: Aug 7 2016

While looking at the OpenSSH ssh_config manpage, I found the ProxyUseFdpass configuration I did not know about. It is apparently not widely known or used.

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