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6 • Advanced Pages
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Advanced Port Forwarding Page
This page allows you to run a publicly accessible server on the LAN by specifying the
mapping of TCP/UDP ports to a local PC. This enables incoming requests on specific port
numbers to reach web servers, FTP servers, mail servers, etc. so that they can be
accessible from the public Internet.
mapping of TCP/UDP ports to a local PC. This enables incoming requests on specific port
numbers to reach web servers, FTP servers, mail servers, etc. so that they can be
accessible from the public Internet.
A table of commonly used Port numbers is also displayed on the page for your
convenience. The ports used by some common applications are:
convenience. The ports used by some common applications are:
•
HTTP: 80
•
FTP: 20, 21
•
Secure Shell: 22
•
Telnet: 23
•
SMTP e-mail: 25
•
SNMP: 161
To map a port, you must enter the range of port numbers that should be forwarded
locally and the IP address to which traffic to those ports should be sent. If only a single
port specification is desired, enter the same port number in the “start” and “end”
locations for that IP address.
locally and the IP address to which traffic to those ports should be sent. If only a single
port specification is desired, enter the same port number in the “start” and “end”
locations for that IP address.