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Tunnel Use Cases

Tunnel Use Cases

May 12, 2025

WebVNC

  • VNC

  • Access running RDP sessions via the UltraVNC RDP Mode (experimental feature)

SSC Tunnel

  • VNC (not webVNC) to an HMI if more features are required than the webVNC solution provides (e.g. file transfer)

  • RDP (Remote Desktop Connection) to a Windows HMI (Human Machine Interface)
  • SSH (Secure Shell) to the Machine network for analysis purposes

  • SCP (e.g. WinSCP)

  • Tunneled access to a http web server running in the Machine network

  • Use of TNCremo for remote connection to the Heidenhain PLC (e.g. TNC 640, TNC 530,...)

SSC Data Link Tunnel

(Requires SSC Data Link Tunnel Extension Application to be installed)

  • SIMATIC Manager (Siemens S7)

  • TIA Portal (Siemens S7)

File Transfer

(Requires File Transfer Application to be installed)

  • File Download from a connected SMB Share (SMB2 or SMB3)