ZyXEL VSG1435 User Guide - Page 183
The Applications Screen
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Chapter 12 Network Address Translation (NAT) The following table describes the labels in this screen. Table 43 Port Forwarding: Add/Edit LABEL DESCRIPTION Active Clear the check box to disable the rule. Select the check box to enable it. Service Name This field is read-only in the Port Forwarding Configuration screen. Enter a name to identify this rule using keyboard characters (A-Z, a-z, 12 and so on). This field is read-only in the Port Forwarding Edit screen. WAN Interface Select the WAN interface through which the service is forwarded. External Start Port You must have already configured a WAN connection with NAT enabled. Enter the original destination port for the packets. To forward only one port, enter the port number again in the External End Port field. External End Port To forward a series of ports, enter the start port number here and the end port number in the External End Port field. Enter the last port of the original destination port range. To forward only one port, enter the port number in the External Start Port field above and then enter it again in this field. Internal Start Port Internal End Port Server IP Address Protocol Type Apply Cancel To forward a series of ports, enter the last port number in a series that begins with the port number in the External Start Port field above. This shows the port number to which you want the ZyXEL Device to translate the incoming port. For a range of ports, enter the first number of the range to which you want the incoming ports translated. This shows the last port of the translated port range. Enter the inside IP address of the virtual server here. Select the protocol supported by this virtual server. Choices are TCP, UDP, or TCP/UDP. Click Apply to save your changes. Click Cancel to exit this screen without saving. 12.3 The Applications Screen This screen provides a summary of all NAT applications and their configuration. In addition, this screen allows you to create new applications and/or remove existing ones. VSG1435-B101 Series User's Guide 183