User manual

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