ZyXEL P-663HN-51 User Guide - Page 84
Virtual Server: Services and Port Numbers, 7.2.2 Virtual Servers Example
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Chapter 7 Network Address Translation (NAT) Screens periodically check for servers and may suspend your account if it discovers any active services at your location. If you are unsure, refer to your ISP. 7.2.1 Virtual Server: Services and Port Numbers See Appendix E on page 281 for commonly used port numbers. 7.2.2 Virtual Servers Example Let's say you want to assign ports 21-25 to one FTP, Telnet and SMTP server (A in the example), port 80 to another (B in the example) and assign a default server IP address of 192.168.1.35 to a third (C in the example). You assign the LAN IP addresses and the ISP assigns the WAN IP address. The NAT network appears as a single host on the Internet. Figure 35 Multiple Servers Behind NAT Example 7.3 Configuring Virtual Servers Note: The NAT screens are available only when you enable NAT in the WAN configuration. 84 P-663HN-51 User's Guide