Appendix C: Well-Known TCP/UDP Port Numbers

Port numbers are divided into three ranges: Well-Known Ports, Registered Ports, and Dynamic and/or Private Ports. Well-Known Ports are those from 0 through 1023. Registered Ports are those from 1024 through 49151. Dynamic and/or Private Ports are those from 49152 through 65535.

Well-Known Ports are assigned by IANA, and on most systems, can only be used by system processes or by programs executed by privileged users. The table below shows some of the well-known port numbers. For more details, please visit the IANA website: http://www.iana. org/assignments/port-numbers.

Port Number

Protocol

TCP/UDP

 

 

 

21

FTP (File Transfer Protocol)

TCP

 

 

 

22

SSH (Secure Shell)

TCP

 

 

 

23

Telnet

TCP

 

 

 

25

SMTP (Simple Mail Transfer

TCP

Protocol)

 

 

 

 

 

37

Time

TCP, UDP

 

 

 

39

RLP (Resource Location

UDP

Protocol)

 

 

 

 

 

49

TACACS, TACACS+

UDP

 

 

 

53

DNS

UDP

 

 

 

67

BOOTP server

UDP

 

 

 

68

BOOTP client

UDP

 

 

 

69

TFTP

UDP

 

 

 

70

Gopher

TCP

 

 

 

79

Finger

TCP

 

 

 

80

HTTP

TCP

 

 

 

110

POP3

TCP

 

 

 

119

NNTP (Network News

TCP

Transfer Protocol)

 

 

 

 

 

161/162

SNMP

UDP

 

 

 

443

HTTPS

TCP

 

 

 

55

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Belkin F1DP116SEA user manual Appendix C Well-Known TCP/UDP Port Numbers, Port Number Protocol

F1DP116SEA specifications

The Belkin F1DP116SEA is an innovative solution designed to enhance the performance and capabilities of modern workspaces. As a cutting-edge KVM (Keyboard, Video, Mouse) switch, it allows users to control multiple computers from a single set of peripherals, streamlining productivity and simplifying workspace management.

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In summary, the Belkin F1DP116SEA KVM switch stands out for its dual display support, high-resolution capabilities, durability, and user-friendly features. These characteristics combine to create a powerful tool that enhances productivity and streamlines the user experience in multi-computer environments.