Port 563

Modified by:

Port 563 is typically used for encrypted NNTP (Network News Transfer Protocol) traffic. It is commonly used as an alternative to Port 119 (the default NNTP port) for secure message transfers between news servers and newsreaders.

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 563
tcp
nntps
nntp protocol over (was
WELL KNOWN PORT
Port 563
udp
nntps
nntp protocol over (was
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 5990
Port 5990 is typically used for remote access applications that allow users to access
Port 4455
Port 4455 is not a standardized port and therefore, has no specific application or
Port 4431
Port 4431 is not typically associated with a specific protocol or application. It is
Port 2892
Ports those registered with IANA are shown as official ports. The same port number
Port 2039
Ports those registered with IANA are shown as official ports. The same port number
Port 1174
Ports those registered with IANA are shown as official ports. The same port number
Port 13785
Ports those registered with IANA are shown as official ports. The same port number
Port 7845
Port 7845 is mostly used for communication between Cisco Unified Communications Manager and Cisco
Port 1451
Port 1451 is primarily used by Sybase for setting up a database connection. Specifically,
Port 2103
Port 2103 is commonly used for the Zephyr Notification Service, which is a protocol
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