Port 545 is a deprecated protocol used by Apple’s QuickTime Conferencing (QTConferencing) service. It was used for audio and video conferencing over IP networks, but it is no longer supported and has been replaced by newer protocols.
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 545 |
tcp |
appleqtcsrvr |
appleqtcsrvr |
WELL KNOWN PORT |
Port 545 |
udp |
appleqtcsrvr |
appleqtcsrvr |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |
Port 545 | OSIsoft PI (VMS), OSISoft PI Server Client Access |