Chapter 6: Secure SSH Tunneling & SDT Connector
120 Console Server & RIM Gateway User Manual
SSH TUNNELS & SDT CONNECTOR
Each Opengear console server has an embedded SSH server and uses SSH tunneling so remote users can securely
connect through the console server to Managed Devices - using text-based console tools (such as SSH, telnet, SoL) or
graphical tools (such VNC, RDP, HTTPS, HTTP, X11, VMware, DRAC, iLO).
The Managed Devices being accessed can be located on the same local network as the console server or they can be
attached to the console server via a serial port. The remote User/Administrator connects to the console server thru an
SSH tunnel via dial-up, wireless or ISDN modem; a broadband Internet connection; the enterprise VPN network or the
local network:
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To set up the secure SSH tunnel from the Client PC to the console server, you must install and launch SSH client
software on the User/Administrator’s PC. Opengear recommends you use the SDT Connector client software that is
supplied with the console server for this. SDT Connector is simple to install and auto-configure and it will provides all your
users with point-and-click access to all the systems and devices in the secure network. With one click SDT Connector
sets up a secure SSH tunnel from the client to the selected console server, then establishes a port forward connection to
the target network connected host or serial connected device, then executes the client application that will be used in
communicating with the host.
This chapter details the basic SDT Connector operations:
 Configuring the console server for SSH tunneled access to network attached hosts and setting up permitted
Services and user access (Section 6.1)
 Setting up the SDT Connector client with gateway, host, service and client application details and making
connections between the Client PC and hosts connected to the console server (Section 6.2)
 Using SDT Connector to browser access the Management Console (Section 6.3)
 Using SDT Connector to Telnet or SSH connect to devices that are serially attached to the console server
(Section 6.4)
The chapter then covers more advanced SDT Connector and SSH tunneling topics:
 Using SDT Connector for out of band access(Section 6.5)
 Automatic importing and exporting of configurations (Section 6.6)
 Configuring Public Key Authentication (Section 6.7)
 Setting up a SDT Secure Tunnel for Remote Desktop (Section 6.8)
 Setting up a SDT Secure Tunnel for VNC (Section 6.9)
 Using SDT to IP connect to hosts that are serially attached to the console server (Section 6.10)
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