Access points are methods, channels, or ways users can open or access a specific service. These points are vital to what service is offered and can have implications if not properly managed.

Currently, Jenkins can be accessed either through the UI or through Docker, by SSH. In a production environment, connections would be strictly limited to a specific port number and user interface.

Let's have a look at which ports are open. Head on to Configure Global Security, under Manage Jenkins.

Under SSH Server, notice that this feature has been disabled. Take a look at this screenshot:

In a production environment, we would have a default of 22 or any of your choice, depending on usage. Always be sure to limit the number of ports open.