Port 621

Modified by:

Port 621 is commonly used by the macOS Server app for FileMaker Pro sharing. It is also used for HOF (Highly Optimized File) transfers in the HOF protocol.

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 621
tcp
escp-ip
ESCP
WELL KNOWN PORT
Port 621
udp
escp-ip
ESCP
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
Other ports
Port 25009
Ports those registered with IANA are shown as official ports. The same port number
Ports 12700 – 12800
Port 12700- Port 12800 Port 12800- Port 12900 Port 12900- Port 13000 Port 13000-
Port 13783
Ports those registered with IANA are shown as official ports. The same port number
Ports 11000 – 12000
Port 11000- Port 11100 Port 11100- Port 11200 Port 11200- Port 11300 Port 11300-
Ports 15100 – 15200
Port 15100- Port 15200 Port 15200- Port 15300 Port 15300- Port 15400 Port 15400-
Port 8086
Port 8086 is commonly used by InfluxDB, a popular time-series database, to listen for
Ports 33500 – 33600
Port 33500- Port 33600 Port 33600- Port 33700 Port 33700- Port 33800 Port 33800-
Port 2578
Ports those registered with IANA are shown as official ports. The same port number
Port 3036
Port 3036 is commonly used for running the MySQL Cluster management protocol (ndb_mgm) on
Port 1381
Port 1381 is typically used for the EasyLink Mail server interface, which is a
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