Telnet uses port no 23 for remote client server communication over TCP network. It can used to login to an email server or a web server using command :
Telnet facilitates remote access and management of servers and devices over a TCP network by establishing a client-server connection. The Telnet client sends requests to the Telnet server, initiating a connection, often utilizing Port 23 for communication. Once confirmed, users can log in remotely and control the server or device as if they were physically present, executing commands and managing resources.
