Port 17

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
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