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47
Figure 4-34 Firewall Settings
¾
Enable Firewall -
the general firewall switch is on or off.
¾
Enable IP Address Filtering -
set IP Address Filtering is enabled or disabled. There are two
default filtering rules of IP Address Filtering, either Allow or Deny passing through the router.
¾
Enable Domain Filtering -
set Domain Filtering is enabled or disabled.
¾
Enable MAC Filtering -
set MAC Address Filtering is enabled or disabled. You can select the
default filtering rules of MAC Address Filtering, either Allow or Deny accessing the router.
4.8.2 IP Address Filtering
The IP address Filtering feature allows you to control Internet Access by specific users on your
LAN based on their IP addresses. The IP address filtering is set on this page, Figure 4-35:
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Figure 4-35 IP address Filtering
To disable the IP Address Filtering feature, keep the default setting,
Disabled
. To set up an IP
Address Filtering entry, click
Enable
Firewall and
Enable
IP Address Filtering on the Firewall
page, and click the
Add New…
button. The page "
Add or Modify an IP Address Filtering entry
"
will appear shown in Figure 4-36:
Figure 4-36 Add or Modify an IP Address Filtering Entry
To create or modify an IP Address Filtering entry, please follow these instructions:
1.
Effective Time -
Enter a range of time in HHMM format, which point to the range time for the
entry to take effect. For example, 0803 - 1705, the entry will take effect from 08:03 to 17:05.
2.
LAN IP Address -
Enter a LAN IP Address or a range of LAN IP addresses in the field, in
dotted-decimal notation format. For example, 192.168.1.20 - 192.168.1.30. Keep the field
open, which means all LAN IP Addresses have been put into the field.
3.
LAN Port -
Enter a LAN Port or a range of LAN ports in the field. For example, 1030 - 2000.
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Keep the field open, which means all LAN ports have been put into the field.
4.
WAN IP Address -
Enter a WAN IP Address or a range of WAN IP Addresses in the field, in
dotted-decimal notation format. For example, 61.145.238.6 – 61.145.238.47. Keep the field
open, which means all WAN IP Addresses have been put into the field.
5.
WAN Port -
Enter a WAN Port or a range of WAN Ports in the field. For example, 25 – 110.
Keep the field open, which means all WAN Ports have been put into the field.
6.
Protocol -
Select which protocol is to be used, either
TCP, UDP
, or
All
(all protocols
supported by the router).
7.
Action -
Select either
Allow
or
Deny
through the router.
8.
Status -
Select
Enabled
or
Disabled
for this entry on the
Status
pull-down list.
9.
Click the
Save
button to save this entry.
To modify or delete an existing entry:
1.
Click the
Modify
in the entry you want to modify. If you want to delete the entry, click the
Delete
.
2.
Modify the information.
3.
Click the
Save
button.
Click the
Enable All
button to make all entries enabled
Click the
Disabled All
button to make all entries disabled.
Click the
Delete All
button to delete all entries
You can change the entry’s order as desired. Fore entries are before hind entries. Enter the ID
number in the first box you want to move and another ID number in second box you want to move
to, and then click the
Move
button to change the entry’s order.
Click the
Next
button to the next page and click the
Previous
button to return to the previous
page.
For example:
If you desire to block E-mail received and sent by the IP Address 192.168.1.7 on
your local network, and to make the PC with IP Address 192.168.1.8 unable to visit the website of
IP Address 202.96.134.12, while other PC(s) have no limit you should specify the following IP
address filtering list:
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4.8.3 Domain Filtering
The Domain Filtering page (shown in Figure 4-37) allows you to control access to certain websites
on the Internet by specifying their domains or key words.
Figure 4-37 Domain Filtering
Before adding a Domain Filtering entry, you must ensure that
Enable
Firewall and
Enable
Domain Filtering have been selected on the Firewall page. To Add a Domain filtering entry, click
the
Add New…
button. The page "
Add or Modify a
Domain Filtering entry
" will appear, shown
in Figure 4-38:
Figure 4-38 Add or Modify a Domain Filtering entry
To add or modify a Domain Filtering entry, follow these instructions:
1.
Effective Time -
Enter a range of time in HHMM format specifying the time for the entry to
take effect. For example, if you enter: 0803 - 1705, than the entry will take effect from 08:03
to 17:05.
2.
Domain Name -
Type the domain or key word as desired in the field. A blank in the domain
field means all websites on the Internet. For example:
www.xxyy.com.cn
, .net.
3.
Status -
Select
Enabled
or
Disabled
for this entry on the
Status
pull-down list.
4.
Click the
Save
button to save this entry.
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To modify or delete an existing entry:
1.
Click the
Modify
in the entry you want to modify. If you want to delete the entry, click the
Delete
.
2.
Modify the information.
3.
Click the
Save
button.
Click the
Enabled All
button to make all entries enabled.
Click the
Disabled All
button to make all entries disabled.
Click the
Delete All
button to delete all entries
Click the
Next
button to go to the next page and the
Previous
button to return to the previous
page.
For example, if you want to block the PC(s) on your LAN to access websites
www.xxyy.com.cn
,
www.aabbcc.com
and websites with .net in the end on the Internet while no limit for other
websites, you should specify the following Domain filtering list:
4.8.4 MAC Filtering
Like the IP Address Filtering page, the MAC Address Filtering page (shown in Figure 4-39) allows
you to control access to the Internet by users on your local network based on their MAC Address.

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