Port 37 is used for the Time protocol (TIME) which is used to synchronize time on a network by transmitting the time information from one device to another. It is typically used for non-critical applications such as updating clocks on networked computers.
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 37 |
tcp |
time |
Time |
WELL KNOWN PORT |
Port 37 |
udp |
time |
Time |
WELL KNOWN PORT |
UnOfficial
Unofficialy or sometimes with conflict, the same port may be used by different applications.
Port | Protocol (TCP/UDP) | Description |