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| Chapter 8 Network Address Translation (NAT) |
| Table 40 NAT > Port Triggering > Add | |
| LABEL | DESCRIPTION |
| Open Start | The open port is a port (or a range of ports) that a server on the WAN uses |
| Port | when it sends out a particular service. The |
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| traffic with this port (or range of ports) to the client computer on the LAN |
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| that requested the service. |
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| Type a port number or the starting port number in a range of port numbers. |
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| Open End | Type a port number or the ending port number in a range of port numbers. |
| Port |
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| Open | Select the transport layer protocol from TCP, UDP, or TCP/UDP. |
| Protocol |
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| Back | Click Back to return to the previous screen. |
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| Apply | Click Apply to save your changes to the |
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| Cancel | Click Cancel to begin configuring this screen afresh. |
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8.5 The DMZ Host Screen
In addition to the servers for specified services, NAT supports a default server IP address. A default server receives packets from ports that are not specified in the NAT Port Forwarding Setup screen.
Figure 67 NAT > DMZ Host
The following table describes the fields in this screen.
Table 41 NAT > DMZ Host
LABEL | DESCRIPTION |
Default Server | Enter the IP address of the default server which receives packets from |
| ports that are not specified in the NAT Port Forwarding screen. |
| Note: If you do not assign a Default Server, the |
| discards all packets received for ports that are not specified |
| in the NAT Port Forwarding screen. |
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Apply | Click Apply to save your changes back to the |
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