Port 17

Modified by:

Port 17 is used for the QOTD (Quote of the Day) protocol. It is used to fetch a quote or message from a server, typically for entertainment or educational purposes.

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 17
tcp
qotd
Quote of the
WELL KNOWN PORT
Port 17
udp
qotd
Quote of the
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 77
Port 77 is not assigned to any specific service or application by the Internet
Port 1357
Port 1357 is not associated with any known protocol or service, although it is
Ports 47900 – 48000
Port 47900- Port 48000 Port 48000- Port 48100 Port 48100- Port 48200 Port 48200-
Port 12005
Ports those registered with IANA are shown as official ports. The same port number
Ports 1600 – 1700
Port 1600- Port 1700 Port 1700- Port 1800 Port 1800- Port 1900 Port 1900-
Ports 4900 – 5000
Port 4900- Port 5000 Port 5000- Port 5100 Port 5100- Port 5200 Port 5200-
Port 4046
Port 4046 is not a well-known port number and its specific usage cannot be
Port 40842
Ports those registered with IANA are shown as official ports. The same port number
Ports 18500 – 18600
Port 18500- Port 18600 Port 18600- Port 18700 Port 18700- Port 18800 Port 18800-
Port 14142
Ports those registered with IANA are shown as official ports. The same port number
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