What Is Ssh Jump Server And How Does It Work?
January 11, 2023 ⚊ 1 Min read ⚊ Views 102 ⚊ TECHNOLOGY
An SSH Jump Server is simply a single, hardened server that you “jump” through in order to access other servers or devices on the inner network.
Sometimes called a SSH Jump host , or SSH Jump server or ssh bastion host or a relay host, it’s simply a server that all of your users can log into and use as a relay server to connect to other Linux servers, Routers, Switches and more. Therefore, a jump server is a server inside a secure zone, which can be accessed from a less secure zone. It is then possible to jump from this host to greater security zones.
In other words, it is an intermediary host or an SSH gateway to a remote network, through which a connection can be made to another host in a dissimilar security zone, for example a demilitarized zone (DMZ2). In short it is intended to breach the gap between two security zones. This is done with the purpose of establishing a gateway to access something inside of the security zone, from the DMZ
