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| Chapter 10 Network Address Translation (NAT) |
| Table 21 Network > NAT > General (continued) | |
| LABEL | DESCRIPTION |
| Number of IPs | Select Single if you have just one public WAN IP address for your ZyXEL Device. |
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| Select Multiple if you have multiple public WAN IP addresses for your ZyXEL |
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| Device. |
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| DMZ | Click this to configure the DMZ settings. See Section 10.3 on page 83 for more |
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| details. |
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| Virtual Server | Click this to configure port forwarding rules for your ZyXEL Device. See Section |
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| 10.4 on page 84 for more details. |
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| IP Address | This is available only when you select Multiple in the Number of IPs field. Click |
| Mapping | this to configure address mapping rules for your ZyXEL Device. See Section 10.5 |
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| on page 86 for more details. |
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10.3 The DMZ Screen
The DeMilitarized Zone (DMZ) provides a way for public servers (Web,
By default the firewall allows traffic between the WAN and the DMZ, traffic from the DMZ to the LAN is denied, and traffic from the LAN to the DMZ is allowed. Internet users can have access to host servers on the DMZ but no access to the LAN, unless special filter rules allowing access were configured by the administrator or the user is an authorized remote user.
Use this screen to configure a separate independent network from the LAN in which you can put your servers. Click Advanced Setup > NAT > DMZ to open the following screen.
Figure 35 Advanced Setup > NAT > DMZ
The following table describes the labels in this screen.
Table 22 Advanced Setup > NAT > DMZ
LABEL | DESCRIPTION |
DMZ setting for | This field displays the PVC you want to configure. |
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DMZ | Use this field to enable or disable DMZ. |
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DMZ Host IP | Type the IP address for DMZ in dotted decimal notation. |
Address |
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| Note: Make sure the IP addresses of the LAN, WAN and DMZ are |
| on separate subnets. |
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SAVE | Click this to save your settings. |
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BACK | Click this to return to the previous screen without saving. |
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| 83 |
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