VNC Protocol

Detection Information

The following page provides information on the VNC Protocol.

Protocol Description

The Virtual Network Computing (VNC) protocol is a remote desktop sharing system to control another computer in a different location.

Full Name

Virtual Network Computing




Version 2.88

Port Statistics

IP Protocol Flow Percent
TCP 5900 71%
TCP 5901 19%
TCP 5800 9%

Port Reference - RFC

  • TCP 5900 - Remote Framebuffer
  • UDP 5900 - Remote Framebuffer


Remote Desktop

Protocol Detection

Do you know how much VNC traffic flows through your network? Netify's protocol detection engine and reporting provides insights to help manage your network.

What gets measured, gets managed.

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