ZyXEL Communications P-2802H(W)(L)-I Series - Manual (Page 123)

Chapter 9 Network Address Translation (NAT) Screens
P-2802H(W)(L)-I Series User’s Guide
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Figure 65 Multiple Servers Behind NAT Example
9.5 Configuring Port Forwarding
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If you do not assign a Default Server IP address, the ZyXEL Device discards
all packets received for ports that are not specified here or in the remote
management setup.
Click Network > NAT > Port Forwarding to open the following screen. This screen is
available only when you select SUA only in the NAT > General screen.
See
Appendix E on page 373 for port numbers commonly used for particular services.
Figure 66 Port Forwarding