Belkin Router F5D8236-4 User Manual

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s etting M aC  address Control 
The MAC address filter is a powerful security feature that allows you to 
specify which computers are allowed on the wireless network.  Note: 
This list applies only to wireless computers. This list can be configured 
so any computer attempting to access the wireless network that is not 
specified in the filter list will be denied access. When you enable this...

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setting up a  deny  access  list  
The “Deny Access” list lets you specify computers that you DO NOT 
want to access the network. Any computer in the list will not be allowed 
access to the wireless network. All others will. 
1�  Select the “Deny” radio button (b) to begin setting up a list of 
computers to be denied access to the wireless network.
2 �  Next, in the “MAC Address” field that...

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The firewall also masks common ports that are frequently used to 
attack networks. These ports appear to be “stealth” meaning that for 
all intents and purposes, they do not exist to a would-be hacker. You 
can turn the firewall function off if needed; however, it is recommended 
that you leave the firewall enabled. Disabling the firewall protection will 
not leave your network completely...

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Choosing an a pplication
Select your application from the drop-down list. Click “Add”. The 
settings will be transferred to the next available space in the screen. 
Click “Apply Changes” to save the setting for that application. To remove 
an application, select the number of the row that you want to remove 
then click “Clear”.
Manually e ntering settings into the Virtual s erver
To manually...

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To restrict Internet access to a single computer for example, enter the 
IP address of the computer you wish to restrict access to in the IP fields 
(1). Next, enter “80” in both the port fields (2). Select “Both” (3). Select 
“Block” (4). You can also select “Always” to block access all of the time. 
Select the day to start on top (5), the time to start on top (6), the day to 
end on the...

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Using  dynamic  dN s   
The Dynamic DNS service allows you to alias a dynamic IP address 
to a static host name in any of the many domains DynDNS.org offers, 
allowing your network computers to be more easily accessed from 
various locations on the Internet. DynDNS.org provides this service, for 
up to five host names, free to the Internet community.
The Dynamic DNS
SM service is ideal for a...

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blocking an ICMP Ping    
Computer hackers use what is known as “pinging” to find potential 
victims on the Internet. By pinging a specific IP address and receiving a 
response from the IP address, a hacker can determine that something of 
interest might be there. The Router can be set up so it will not respond 
to an ICMP ping from the outside. This heightens your Router’s 
security level....

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Restarting the Router
Sometimes it may be necessary to restart or reboot the Router if it begins working improperly. 
Restarting or rebooting the Router will NOT delete any of your configuration settings. 2�  The following message will appear. Click “OK”.
Restarting the Router to Restore Normal o
peration 
1�  Click the “Restart Router” button. 

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3�   The following message will appear. Restarting the Router can take 
up to 60 seconds. It is important not to turn off the power to the 
Router during the restart.
4�  A 60-second countdown will appear on the screen. When the 
countdown reaches zero, the Router will be restarted. The Router 
home page should appear automatically. If not, type in the 
Router’s address (default =...

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2�  The following message will appear. Click “OK”.
3�  The following message will appear. Restoring the defaults includes 
restarting the Router. It can take up to 60 seconds. It is important 
not to turn the power to the Router off during the restart. 
4�  A 60-second countdown will appear on the screen. When the 
countdown reaches zero, the Router’s defaults will be restored. 
The Router...