Why do we use telnet

Firewalls can block connections via two methods: reject or drop. When a connection is rejected, the firewall tells the source that the destination host is not allowing incoming connections to specific port s. The second method is to silently drop the packets, acting as if the host is unreachable.

I hope this article was beneficial in learning about testing TCP services with telnet. All Rights Reserved. Privacy Policy Terms of Use. One Comment. When troubleshooting client connectivity issues to a TCP service, another possible scenario is the following: In this other scenario, telnet is not returning any message. Log in.

Options Help Chat with a consultant. Include archived documents. About telnet Note:. All Resources. Protocol Support Library. Teletype Network Protocol Telnet. What is Telnet? Telnet, developed in , is a protocol that provides a command line interface for communication with a remote device or server, sometimes employed for remote management but also for initial device setup like network hardware.

Telnet stands for Teletype Network, but it can also be used as a verb; 'to telnet' is to establish a connection using the Telnet protocol. What is Telnet? Free Software Development Course. Login details for this Free course will be emailed to you. Email ID. Contact No.