Communication

Supported protocols and gateways

Supported protocols

Cloud Remote Access supports the following protocols:

  • Remote Desktop (VNC)
    • Shares the desktop of the remote device
    • Mouse and keyboard for interaction
  • Secure Shell (SSH)
    • Console for command line access
    • Keyboard for interaction
  • Terminal (Telnet)
    • Protocol used for old device types
    • Console for command line access
    • Keyboard for interaction
Important
Telnet is considered to be an insecure protocol lacking built-in security measures. For network communication in a production environment we highly recommend you to use the SSH protocol instead.

Supported gateways

Cloud Remote Access supports the following gateways:

  • Netcomm NTC 6200
    • Gateway router device
    • Agent software (4.2.1 or later)
    • VNCProxy plugin (2.0 or later)
  • Casa Systems (NetComm) NTC-220 series
    • Gateway router device
    • Agent software (1.0.0 or later)
  • Linux agent
    • Can be used on any linux-based gateway device
    • Version 4.0.0 or later
  • Third-party devices

Compatibility and limitations

VNC protocol

The following versions of the VNC protocol are currently supported:

  • RFB 003.003
  • RFB 003.007
  • RFB 003.008

The functionality has been tested on the following VNC servers:

  • Real VNC 5.3.2
  • Tiger VNC 1.6.0/1.7.0
  • TightVNC 1.3.9
  • EfonVNC 4.2
  • Vino

The following operating systems/browsers are currently supported:

Operating system Browser Touch Swipe Keyboard Pointer
Windows 10 Edge 38 Yes Yes Yes Minor
Windows 10 Firefox 51 Yes Yes Yes Yes
Ubuntu 16.04 Chrome 56 Minor Yes Yes Yes
Ubuntu 16.04 Firefox 51 Minor Yes Yes Yes
MacOS Safari Yes Yes Yes Yes
iOS 10.2.1 Safari Yes Minor No n/a
Android 6.0.1 Chrome Yes Minor No n/a
Android 6.0.1 Stock browser 5.0 Yes Minor No n/a

Telnet protocol

The following limitations apply to Cloud Remote Access for Telnet:

Area Scrolling Reflow on width change Bitmap fonts Vector fonts Mouse tracking Application keypad Tabs Split screen
Console Yes No Yes Yes Yes Yes ? Yes
xterm Yes No Yes Yes Yes Yes No No

SSH protocol

For Cloud Remote Access for SSH, the same limitations as for Telnet apply (see above). Moreover, the following additional limitations are known:

  • International characters are not supported yet.
  • Only a limited number of control characters is working.
  • Mouse movements are not supported.
  • SSH version 1 is not supported.