45

Appendix B

Popular Port Numbers

For online games, check with the game manufacturer for details on the specific ports or port ranges need to be opened.

Note: The following list contains a selection of some of the most popular port numbers. A more complete list of port numbers is available on the Internet Assigned Numbers Authority (IANA) website at: http://www.iana.org/assignments/port-numbers.

Application

Protocol

Port Number

 

 

 

FTP

TCP

21

 

 

 

Telnet

TCP

23

 

 

 

SMTP

TCP

25

 

 

 

HTTP

TCP

80

 

 

 

POP3

TCP

110

 

 

 

SNMP

UDP

161

 

 

 

SNMP Trap

UDP

162

 

 

 

H.323

TCP

1720

 

 

 

PPTP

TCP

1723

 

 

 

PC Anywhere

TCP

5631

 

 

 

PC Anywhere

UDP

5632

 

 

 

Page 47
Image 47
Star Tech Development BR4100DC manual Appendix B, Popular Port Numbers, Application Protocol Port Number