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If it is "Interface", you should specify a WAN interface for this ACL entry.
If the WAN setting is "IP Address", you should specify the IP address of the host on
WAN side.
Service Allowed: You can specify the service and opened port for this service on WAN side.
The host access the specified port can obtain the specified service the router provides.
Current ACL Table: It shows the current ACL setting.
4.6. Maintenance
Choose "Maintenance", you can see the next submenus:
Click any of them, and you will be able to configure the corresponding function.
4.6.1. Update
4.6.1.1. Firmware Update
Choose "Maintenance→Update→Firmware Update", you can upgrade the firmware of the Router
in the screen (shown in Figure 4-49). Make sure the firmware you want to use is on the local hard
drive of the computer. Click Browse to find the local hard drive and locate the firmware to be used
for upgrade.
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