ZyXEL Communications ARMOR G1, Руководство пользователя

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Chapter 9 WAN
NBG6818 User’s Guide
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The following table describes the labels in this screen.
9.5.1 Add Port Forwarding Rule Screen
Use this screen to configure your NBG6818’s port forwarding settings to forward incoming service
requests to the servers on your local network. Click
Settings > Internet > NAT & Port Forwarding > Add Rule
to show the following screen.
Table 25 Expert Mode > WAN > NAT > General
LABEL DESCRIPTION
NAT & Port Forwarding
Network Address
Translation (NAT) Network Address Translation (NAT) allows the translation of an Internet protocol address used
within one network (for example a private IP address used in a local network) to a different IP
address known within another network (for example a public IP address used on the
Internet).
Select Enable to activate NAT. Select Disable to turn it off.
Server Setup
Default Server You can decide whether you want to use the default server or specify a server manually. In
addition to the servers for specified services, NAT supports a default server. A default server
receives packets from ports that are not specified in the port forwarding summary table
below.
Select this to use the default server.
Change To Server Select this and manually enter the server’s IP address.
Port Forwarding Rule
Enable Port
Forwarding Select Enable to allow port forwarding. Otherwise, select Disable .
No. This number uniquely identifies the port forwarding rule.
Name This field displays a name to identify this rule.
Protocol This is the transport layer protocol used for the service.
External Port This is the port number used to connect to this service using the router's external IP address on
the WAN.
Server IP Address This field displays the internal IP address of the server.
Internal Port This is the port number used to connect to this service using the server's internal IP address on
the LAN.
Actions Click the icons under Actions to delete or edit a port forwarding rule.
Click to delete the rule.
Click to edit the rule.
Apply Click Apply to save your changes back to the NBG6818.
Cancel Click Cancel to begin configuring this screen afresh.