Why You Need A Network Time Server. Time is critical for transactions across computer networks. Many events on the network need accurate time to initiate and control processes, and complete transactions such as authentication.

What is the purpose of a time server?

A time server is a server computer that reads the actual time from a reference clock and distributes this information to its clients using a computer network.

Why there is a need of NTP server?

Network Time Protocol (NTP) is a protocol that allows the synchronization of system clocks (from desktops to servers). Having synchronized clocks is not only convenient but required for many distributed applications. Therefore the firewall policy must allow the NTP service if the time comes from an external server.