ZyXEL ZyWALL 5 User Guide - Page 682
Edit Rule, Select Command, Select Rule, 2.x.x - NAT Server Configuration, Start Port, End Port, IP
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Chapter 44 Network Address Translation (NAT) 4 Select Edit Rule in the Select Command field; type the index number of the NAT server you want to configure in the Select Rule field and press [ENTER] to open Menu 15.2.x.x - NAT Server Configuration (see the next figure). Figure 418 15.2.x.x: NAT Server Configuration 15.2.1.2 - NAT Server Configuration Wan= 1 Index= 2 Name= 1 Active= Yes Start port= 21 End port= 25 IP Address= 192.168.1.33 Press ENTER to Confirm or ESC to Cancel: The following table describes the fields in this screen. Table 244 15.2.x.x: NAT Server Configuration FIELD DESCRIPTION WAN On a ZyWALL with two WAN ports, you can configure port forwarding and trigger port rules for the first WAN port and separate sets of rules for the second WAN port. This is the WAN port (server set) you select in menu 15.2. Index This is the index number of an individual port forwarding server entry. Name Enter a name to identify this port-forwarding rule. Active Press [SPACE BAR] and then [ENTER] to select Yes to enable the NAT server entry. Start Port End Port Enter a port number in the Start Port field. To forward only one port, enter it again in the End Port field. To specify a range of ports, enter the last port to be forwarded in the End Port field. IP Address Enter the inside IP address of the server. When you have completed this menu, press [ENTER] at the prompt "Press ENTER to Confirm..." to save your configuration, or press [ESC] at any time to cancel. 5 Enter a port number in the Start Port field. To forward only one port, enter it again in the End Port field. To specify a range of ports, enter the last port to be forwarded in the End Port field. 6 Enter the inside IP address of the server in the IP Address field. In the following figure, you have a computer acting as an FTP, Telnet and SMTP server (ports 21, 23 and 25) at 192.168.1.33. 7 Press [ENTER] at the "Press ENTER to confirm ..." prompt to save your configuration after you define all the servers or press [ESC] at any time to cancel. 682 ZyWALL 5/35/70 Series User's Guide
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