ZyXEL Communications P-660R-11V3 User Manual

 Chapter 10 Network Address Translation (NAT)

P-660R-T1 v3 User’s Guide

Click Advanced Setup > NAT > Virtual Server to open the following screen.
See 

 for port numbers commonly used for particular services. 

Figure 37   Advanced Setup > NAT > Virtual Server

The following table describes the fields in this screen.

Table 24   Advanced Setup > NAT > Virtual Server

Virtual Server

Virtual Server for

This is the PVC that this virtual server will use.

Rule Index

Select the rule’s index number from the drop-down list box.

Application

Use the drop-down list box to select the type of server you have on your network. 

Applications or services are defined by their protocol (TCP or UDP) and port 

number. For example, TCP port 80 defines web (HTTP) traffic. If you have a web 

server on your network, you need to forward HTTP applications (TCP port 80) to 

the server’s IP address.
Choices are: FTP, SSH, TELNET, SMTP, HTTP_Server, POP3, HTTPS, T.120, 

H.323, PPTP, pcAnywhere, VNC and CUSeeMe.

Protocol

Use the drop-down list box to choose the IP port (ALL, TCP or UDP) that defines 

your service.