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RTA04N User
’
s Manual
Ed.0.1
Page 66 of 78
4.5.3. ACL
Choose “
Firewall
→ACL
”, you can see the next screen (shown in
Figure 4-46). ACL function is used
to specify which services are accessible from LAN or WAN side.
Figure 4-46
Direction Select:
The direction of the ACL entry, it can be LAN or WAN.
1)
LAN
If “LAN” is selected, you can see the next screen (shown in
Figure 4-47)
Figure 4-47
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RTA04N User
’
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Ed.0.1
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LAN ACL Switch:
You can enable or disable the ACL function on LAN side. If it is disabled, all
hosts on LAN side can access the services which your router provides. If it is enabled, only the
hosts on the “Current ACL Table” can access the specified services.
IP Address:
The IP address of the host, “0.0.0.0” means any IP.
Service Allowed (LAN side):
The allowed services which the host can access. It can be “any”,
or any specified service, such as “web”, ”telnet”, ”ftp”, ”tftp”, ”snmp” and “ping”. If select “any”, i
t
means the host can access all the services the router provides.
2)
WAN
If “WAN” is selected, you can see the next screen (shown in
Figure 4-48)
Figure 4-48
WAN Setting:
The setting of WAN side, it can be “Interface” or “IP Address”.
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RTA04N User
’
s Manual
Ed.0.1
Page 68 of 78
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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RTA04N User
’
s Manual
Ed.0.1
Page 69 of 78
Figure 4-49
To upgrade the router's firmware, follow these instructions below:
Step 1:
Type the exact path of the update file into the “Select File” field
. Or click the
Browse
button
to locate the update file.
Step 2:
Click the
Upload
button.
Note:
1.
When you upgrade the router's firmware, you may lose its current configurations, so please
back up the router’s current settings before you upgrade its firmware.
2.
Do not turn off the router or press the Reset button while the firmware is being upgraded.
3.
The router will reboot after the upgrading has been finished.
4.6.1.2. Backup/Restore
Choose “
Maintenance→Update→Backup/Restore
”, you can save the current configuration
settings to a file, and you can also restore the settings from a configuration file (shown in Figure
4-50).
Figure 4-50
To backup the Router’s current settings:
Step 1:
Click the
Save
button (shown in Figure 4-50) to proceed
.
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’
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Figure 4-51
Step 2:
Save the file as the appointed file (shown in Figure 4-52).
Figure 4-52
To restore the Router’s settings:
Step 1:
Click the
Browse
button to locate the file for the device, or enter the exac
t path in “Load
Settings from File” field.
Step 2:
Click the
Upload
button to complete.
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