Why OpenSSH?

The SSH protocol encrypts all traffic between machines are encrypted. Telnet does not encrypt any information, passwords and account ids are passed in the clear.
OpenSSH is a free program implementing the SSH protocol
OpenSSH has been reviewed by a team of security experts to reduce the number of bugs in it

The SSH protocol encrypts all traffic between machines are encrypted. Telnet does not encrypt any information, passwords and account ids are passed in the clear.