|
| Chapter 8 Network Address Translation (NAT) |
| Table 29 Port Forwarding Edit (continued) | |
| LABEL | DESCRIPTION |
| External Start | Enter the original destination port for the packets. |
| Port | To forward only one port, enter the port number again in the External |
|
| |
|
| End Port field. |
|
| To forward a series of ports, enter the start port number here and the |
|
| end port number in the External End Port field. |
|
|
|
| External End | Enter the last port of the original destination port range. |
| Port | To forward only one port, enter the port number in the External Start |
|
| |
|
| Port field above and then enter it again in this field. |
|
| 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. |
|
|
|
| Internal Start | Enter the port number here to which you want the ZyXEL Device to |
| Port | translate the incoming port. For a range of ports, enter the first number |
|
| of the range to which you want the incoming ports translated. |
|
|
|
| Internal End | Enter the last port of the translated port range. |
| Port |
|
|
|
|
| Server IP | Enter the inside IP address of the virtual server here. |
| Address |
|
|
|
|
| Protocol | Select the protocol supported by this virtual server. Choices are TCP, |
|
| UDP, or TCP/UDP. |
|
|
|
| Back | Click Back to return to the previous screen. |
|
|
|
| Apply | Click Apply to save your changes back to the ZyXEL Device. |
|
|
|
| Cancel | Click Cancel to begin configuring this screen afresh. |
|
|
|
8.4 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 56 NAT - DMZ Host
| 111 |
|
|