UMN:CLI User ManualV5808884.5 Secure Shell (SSH)Network security is getting more important because the access network has beengeneralized among numerous users. However, typical FTP and telnet service have bigweakness for their security. Secure shell (SSH) is a network protocol that allowsestablishing a secure channel between a local and a remote computer. It uses public-keycryptography to authenticate the remote computer and to allow the remote computer toauthenticate the user.4.5.1 SSH ServerThe V5808 can be operated as SSH server. You can configure the switch as SSH server.4.5.1.1 Enabling SSH ServerTo enable/disable SSH server, use the following command.Command Mode Descriptionservice ssh Global Enables SSH server.no service ssh Disables SSH server.show service Enable/Global/Bridge Shows the status of network connection services(telnet/ssh/ftp/tftp/snmp).4.5.1.2 Displaying On-line SSH ClientTo display SSH clients connected to SSH server, use the following command.Command Mode Descriptionshow sshEnableGlobalBridgeShows SSH clients connected to SSH server.4.5.1.3 Disconnecting SSH ClientTo disconnect an SSH client connected to SSH server, use the following command.Command Mode Descriptionssh disconnect PID Global Disconnects SSH clients connected to SSH server.PID: SSH client number4.5.1.4 Assigning Specific Authentication KeyAfter enabling SSH server, each client will upload its own generated authentication key.The SSH server can assign the specific key among the uploaded keys from severalclients.To verify an authentication key, use the following command.
