Port 4357 is typically used for Apple’s Bonjour service, which allows devices on a network to discover and communicate with each other without requiring manual configuration or the use of a central server. It is also used by certain applications like iTunes to transmit data over a local network.
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 4357 |
tcp |
qsnet-cond |
QSNet Conductor |
REGISTERED PORT |
Port 4357 |
udp |
qsnet-cond |
QSNet Conductor |
REGISTERED PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |