SSH has improved security over Telnet. iDRAC7 only supports SSH version 2 with password authentication, and is enabled by default. iDRAC7 supports up to two SSH sessions and two Telnet sessions at a time. It is recommended to use SSH as Telnet is not a secure protocol. You must use Telnet only if you cannot install an SSH client or if your network infrastructure is secure.
Use opensource programs such as PuTTY or OpenSSH that support SSH and Telnet network protocols on a management station to connect to iDRAC7.
Before using SSH or Telnet to communicate with iDRAC7, make sure to: