Why not call it an SSH proxy? Partly due to historical reasons. Having a dedicated SSH access point also makes it easier to have an aggregated audit log of all SSH connections. The purpose of an SSH jump server is to be the only gateway for access to your infrastructure reducing the size of any potential attack surface. Sometimes an SSH jump server is also called a “jump host” or a “bastion host”. What is an SSH Jump Server?Īn SSH jump server is a regular Linux server, accessible from the Internet, which is used as a gateway to access other Linux machines on a private network using the SSH protocol. A modern approach using Teleport, a newer open source alternative to OpenSSH.īoth of these servers are easy to install and configure, are free and open-source, and are single-binary Linux daemons.The advantage of this method is that your servers already have OpenSSH pre-installed. A traditional SSH jump server using OpenSSH.In this blog post we’ll cover how to set up an SSH jump server.
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