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Example: Access Control
In the example below, LAN client A can only access websites that use Port 80. However, LAN
client B is able to access websites and any other service that uses ports between 80 and 999.
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2.7.2 URL Blocking
You can block access to some Web sites from particular PCs by entering a full URL
address or just keyword of the Web site.
Parameters
Description
Enable URL Blocking
Enable/disable URL Blocking
Add URL Keyword
Fill in
“
URL/Keyword
”
and then click
“
Add
”
. You
can enter the full URL address or the keyword of
the web site you want to block. If you find any typo
before adding it and want to retype again, just click
"Reset" and the field will be cleared.
Remove URL Keyword
If you want to remove some URL keyword from the
"Current URL Blocking Table", select the URL
keyword you want to remove in the table and then
click "Delete Selected". If you want remove all
URL keyword from the table, just click "Delete All"
button. If you want to clear the selection and re-
select again, just click
“
Reset
”
.
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You can now configure other advance sections or start using the router (with the advance settings
in place)
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2.7.3 DoS (Denial of Service)
The Broadband router's firewall can block common hacker attacks, including Denial of Service,
Ping of Death, Port Scan and Sync Flood.
If Internet attacks occur the router can log the events.
Parameters
Description
Intrusion Detection Feature
Ping of Death
Protections from Ping of Death attack
Discard Ping From WAN
The router
’
s WAN port will not respond to any
Ping requests
Port Scan
Protection the router from Port Scan.
Sync Flood
Protection the router from Sync Flood attack.
Click <
Apply>
at the bottom of the screen to save the above configurations. You can now
configure other advance sections or start using the router (with the advance settings in place)
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2.7.4 DMZ
If you have a local client PC that cannot run an Internet application (e.g. Games) properly from
behind the NAT firewall, then you can open the client up to unrestricted two-way Internet access
by defining a DMZ Host. The DMZ function allows you to re-direct all packets going to your WAN
port IP address to a particular IP address in your LAN. The difference between the virtual server
and the DMZ function is that the virtual server re-directs a particular service/Internet application
(e.g. FTP, websites) to a particular LAN client/server, whereas DMZ re-directs all packets
(regardless of services) going to your WAN IP address to a particular LAN client/server.
Parameters
Description
Enable DMZ
Enable/disable DMZ
Note
: If there is a conflict between the Virtual Server and the
DMZ setting, then Virtual Server function will have priority over
the DMZ function.
Public IP Address
The IP address of the WAN port or any other Public IP
addresses given to you by your ISP
Client PC IP Address
Input the IP address of a particular host in your LAN that will
receive all the packets originally going to the WAN port/Public IP
address above
19216811.live