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2-8 Firewall
A
firewall
is designed to permit or deny network transmissions based upon a set of rules
and is frequently used to protect networks from unauthorized access while permitting
legitimate communications to pass. The firewall can also block users from accessing the
specific URL.
Please click ‘
Firewall
’ menu on the left of web management interface, and the following
screen will be displayed on your web browser.
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2-8-1 QoS (Quality of Service)
You may setup rules to provide Quality of Service guarantees for specific applications.
To set QoS settings, Please click ‘
QoS BwLimit’
menu on the left of web management
interface, under the ‘
Firewall
’ tab and following screen will be displayed.
If you are finish with the settings, please click ‘
Submit’
button to continue with setup
procedure.
2-8-2 TCP/IP Filter
In this section you can setup firewall rules using MAC/IP/Port Filtering to restrict certain
types of data packets from your local network to Internet through the router.
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Please click ‘
TCP/IP Filter
menu on the left of web management interface, under the
‘
Firewall
’ tab and the following screen will be displayed on your web browser.
By default, the MAC/IP/Port Filtering feature is disabled.
Note : When Access Control is disabled, every device on the LAN has unrestricted
access to the Internet. However, if you enable Filtering, Internet access is restricted /
allowed for those devices that have an Access Control Policy configured for them.
All other devices will match with default policy and will be dropped or allowed as
per the default policy configured.
Here are the descriptions of every setup item.
Parameter
Description
Source MAC Address
Enter the Source MAC Addres.
Dest IP Address
Enter the Dest IP Address.
Source IP Address
Enter the Soure IP Address.
Protocol
Enter the Protocol TCP/UDP/ICMP.
Dest Port Range
Enter Destination port range.
Source Port Range
Enter Source port range.
Action
Enter the Action either Accept or Reject.
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When you finish with all settings, please click ‘
Apply
’ button to continue with other
setup procedures. If you want to reset the setting click on ‘
Reset
’.
2-8-3 URL Filter
URL Filter is a web solution that blocks web-sites access according the URL Filter
String.
Please click ‘
URL Filter
’ menu on the left of web management interface, under the
‘
Firewall
’ tab and the following screen will be displayed on your web browser.
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Here is the description of every setup items:
Parameter
Description
Web Content Filter
There are 3 options. When this options are checked
it will filter objects supporting proxy, java and
active X.
Web URL Filter
URL Filter blocks web-sites access according to
the URL Filter String.
Web Host Filter
URL Filter blocks web-sites access according to
the Keyword String.
Click on ‘
Add
’ to add the URL strings for filtering. If you want to delete any of the URL
string click ‘
Delete
’ button.
When you finish with all settings, please click ‘
Apply
’ button to continue with other
setup procedures. If you want to reset the setting click on ‘
Reset
’.
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