3Com 5500G-EI Command Reference Guide - Page 517

SSH Configuration Commands 517 telnet: Supports only Telnet protocol. Description Use the protocol inbound command to configure the protocols supported by a designated user interface. By default, the system supports both Telnet and SSH protocols. If SSH protocol is enabled and specified for the user interface, but no local RSA key is configured, SSH cannot take effect yet till you log onto the system next time. If SSH protocol is specified, to ensure a successful logon, you must configure the AAA authentication using the authentication-mode scheme command. The protocol inbound ssh configuration fails if you configure authentication-mode password and authentication-mode none. Related command: user-interface vty. Example Disable Telnet on vty0 through vty4, with only SSH available: system-view System View: return to User View with Ctrl+Z. [SW5500]user-interface vty 0 4 [SW5500-ui-vty0-4]protocol inbound ssh Disable Telnet on vty0, with only SSH available. system-view System View: return to User View with Ctrl+Z. [SW5500]user-interface vty 0 [SW5500-ui-vty0]protocol inbound ssh public-key-code begin Syntax public-key-code begin View Public key edit view Parameter None Description Use the public-key-code begin command to enter public key edit view. Before using this command, you have to create a public key with the rsa peer-public-key command. In the public key edit view to key in desired public key, which consists of hexadecimal characters, with blank space allowed between them, and is generated randomly by the client program supporting SSH. Related commands: rsa peer-public-key, public-key-code end. Example To enter public key view and key in public key, enter the following: