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3-3-1-1 Add PC
After button is clicked, the following message will be displayed on your web
browser:
Here are descriptions of every setup items:
Client PC
Please input any text to describe this IP
Description:
address, up to 16 alphanumerical characters.
Client PC IP
Please input the starting IP address in the left
address :
field, and input the end IP address in the right field to
define a range of IP addresses, or just input the IP
a
f
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address in the left field to define a single IP address.
Client PC
Please check all services you want to allow or
Service :
deny this IP address to use, you can check multiple
services.
Protocol:
If the service you need is not listed above, you can
create a new service on your own. Please select TCP or
UDP, if you’re not sure, please select ‘Both’.
Port Range :
Please input the port range of new service here. If you
want to specify port 80 to 90, please input ’80-90’; if
you want to apply this rule on a single port, just input
the port number, like ‘80’.
Add:
When you finish with all settings, please click ‘Add’ to
save settings, you’ll be brought back to previous menu,
and the rule you just set will appear in current IP
filtering table.
If you want to remove all settings in this page, click ‘Reset’ button.
3-3-2 URL Blocking
If you want to prevent computers in local network from accessing certain
website (like pornography, violence, or anything you want to block), you can
use this function to stop computers in local network from accessing the site
you defined here.
This function is useful for parents and company managers.
Please follow the following instructions to set URL blocking parameters:
Please click ‘Firewall’ menu on the left of web management interface, then
click ‘URL Blocking’, and the following message will be displayed on your
web browser:
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Here are descriptions of every setup items:
Enable URL
Check this box to enforce URL Blocking,
Blocking :
uncheck it to disable URL Blocking.
URL/Keyword :
Input the URL (host name or IP address of website, like
or
), or
the keyword which is contained in URL (like
pornography, cartoon, stock, or anything).
Add :
Click ‘Add’ button to add the URL / keyword to the URL
/ Keyword filtering table.
Reset :
Click ‘Reset’ to remove the value you inputted in
URL/Keyword field.
Current URL
All existing URL/Keywords in filtering
Blocking Table :
table will be listed here.
Delete Selected :
If you want to delete a specific URL/Keyword entry,
check the ‘select’ box of the MAC address you want to
delete, then click ‘Delete Selected’ button. (You can
select more than one MAC addresses).
Delete All :
If you want to delete all URL/Keyword listed here,
please click ‘Delete All’ button.
2
3
4
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Reset :
You can also click ‘Reset’ button to unselect all
URL/Keywords.
After you finish with all settings, please click ‘Apply’
button, and the
following message will be displayed on your web browser:
Please click ‘Continue’ to back to previous setup menu; to continue on other
setup procedures, or click ‘Apply’ to reboot the router so the settings will
take effect (Please wait for about 50 seconds while router is rebooting).
If you want to reset all settings in this page back to previously-saved value,
please click ‘Cancel’ button.
3-3-3 DoS Attack Prevention
Denial of Service (DoS) is a common attack measure, by transmitting a great
amount of data or request to your Internet IP address and server, the Internet
connection will become very slow, and server may stop responding because it
is not capable to handle too much traffics.
This router has a built-in DoS attack prevention mechanism; when you
activate it, the router will stop the DoS attack for you.
Please follow the following instructions to set DoS prevention parameters:
Please click ‘Firewall’ menu on the left of web management interface, then
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click ‘DoS’, and the following message will be displayed on your web
browser:
Here are descriptions of every setup items:
Ping of Death :
Ping of Death is a special packet, and it will cause
certain computer to stop responding. Check this box
and the router will filter this kind of packet out.
Discard Ping
Ping is a common and useful tool to know
From WAN :
the connection status of a specified remote network
device, but some malicious intruder will try to fill your
network bandwidth with a lot of PING request data
packet, to make your internet connection become very
slow, even unusable. Check this box and the router will
ignore all inbound PING request, but when you activate
this function, you will not be able to ping your own
router from internet, too.
Port Scan :
Some malicious intruder will try to use a ‘port scanner’
to know how many ports of your Internet IP address are
open, and they can collect a lot of valuable information
by doing so. Check this box and the router will block all
traffics which are trying to scan your Internet IP
address.
Sync Flood :
This is another kind of attack, which uses a lot of fake
connection request to consume the memory of your
server, and try to make your server become unusable.
Check this box and the router will filter this kind of

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