Nisuta 11N User Manual page 67

If you want Internet users to access the internal server via the router such as: e-mail server,
Web, FTP. You can configure the "Virtual Server".
Step 1: create your internal server, make sure the LAN users can access these servers
and know related service port. For example, Web server's port is 80; FTP is 21; SMTP is 25
and POP3 is 110.
Step 2: In the router's web click "Virtual Server" and select "Port Range Forwarding".
Step 3: Input the service port provided by the router (i.e. the external port) for mapping the
internal and external network, for example, 80-80.
Step 4: input the internal Web service port, for example, 80-80.
Step 5: Input the internal server's IP address. For example, if your Web server's IP address
is 192.168.1.10, please input it.
Step 6: select the communication protocol used by your internal host: TCP, UDP, Both.
Step 7: click "Ok" to activate the settings.
The following table lists some well-known applications and their respective service ports:
Server
WEB Server
FTP Server
Telnet
NetMeeting
MSN
Messenger
PPTP VPN
Iphone5.0
SMTP
POP3
11N Wireless Broadband Router User Guide
Protocol Service Port
TCP 80
TCP 21
TCP 23
TCP 1503、1720
File Send:6891-6900(TCP)
TCP/UDP Voice:1863、6901(TCP)
Voice:1863、5190(UDP)
TCP 1723
TCP 22555
TCP 25
TCP 110
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