3.11.3.2 Selecting a protocol: -ssh, -ssh-connection, -telnet, -rlogin, -supdup, -raw, -serial

To choose which protocol you want to connect with, you can use one of these options:

• -ssh selects the SSH protocol.
• -ssh-connection selects the bare ssh-connection protocol. (This is only useful in specialised circumstances; see section 4.28 for more information.)
• -telnet selects the Telnet protocol.
• -rlogin selects the Rlogin protocol.
• -supdup selects the SUPDUP protocol.
• -raw selects the raw protocol.
• -serial selects a serial connection.

Most of these options are not available in the file transfer tools PSCP and PSFTP (which only work with the SSH protocol and the bare ssh-connection protocol).

These options are equivalent to the protocol selection buttons in the Session panel of the PuTTY configuration box (see section 4.1.1).