What is difference between SSH and Telnet?

What are some similarities and differences between SSH and Telnet?

SSH is more secure compared to Telnet.SSH encrypts the data while Telnet sends data in plain text.SSH uses a public key for authentication while Telnet does not use any authentication.SSH adds a bit more overhead to the bandwidth compared to Telnet.Telnet has been all but replaced by SSH in almost all uses.

Is Telnet faster than SSH?

Telnet is obviously faster, as the protocol is much more trivial and there is no key exchange and no encryption involved; Telnet is less vulnerable.

Can I use SSH instead of Telnet?

Replace Insecure Telnet with Secure Shell (SSH) SSH (Secure Shell) provides a secure alternative to Telnet. SSH protects user identities, passwords, and data from network snooping attacks, and allows secure logins and file transfers.

What port is Telnet and SSH?

You can configure the port numbers to use for SSH and Telnet connections: The default port for SSH client connections is 22; to change this default, enter a port number between 1024 and 32,767. The default port for Telnet client connections is 23; to change this default, enter a port number between 1024 and 32,767.