Port 5911 is typically used for the Remote Frame Buffer protocol (RFB) which is used to remotely access and control graphical desktops or applications. It is commonly used for remote desktop software such as VNC (Virtual Network Computing).
Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.
Official
Port |
Protocol (TCP/UDP) |
Title |
Description |
Port Type |
Port 5911 |
tcp |
cpdlc |
Controller Pilot Data Communication |
REGISTERED PORT |
Port 5911 |
udp |
cpdlc |
Controller Pilot Data Communication |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |