Port 37

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
TCP UDP Ports
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