What type of host is exposed to the public Internet for a specific reason and hardened to perform only that function for authorized users?

Question

Quizplus · Accepted Answer

A bastion host is a server that is fully exposed to the public Internet, but is extremely hardened to prevent attacks and is usually dedicated for a specific application or usage; it is not something that will serve multiple purposes. This singular focus allows for much more stringent security hardening and monitoring.

What Type of Host Is Exposed to the Public Internet