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Figure 4-30
Add or Modify a Triggering Entry
There are many popular applications in the
Popular Application
list. You can select it, and the
application will fill in the
Trigger Port
,
incoming Ports Range
boxes and select the
Enable
checkbox. It has the same effect as adding a new rule.
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
)
Note:
1.
When the trigger connection is released, the according opening ports will be closed.
2.
Each rule allowed to be used only by one host on LAN synchronously. The trigger connection
of other hosts on LAN will be refused.
3.
Incoming Port Range cannot overlap each other.
4.7.3 DMZ
The DMZ host feature allows one local host to be exposed to the Internet for a special-purpose
service such as Internet gaming or videoconferencing. DMZ host forwards all the ports at the
same time. Any PC whose port is being forwarded must have its DHCP client function disabled
and should have a new static IP Address assigned to it because its IP Address may change when
using the DHCP function. You can set up DMZ host on this page shown in Figure 4-31:
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Figure 4-31
DMZ
To assign a computer or server to be a DMZ server:
1.
Click the
Enable
radio button
2.
Enter the local host IP Address in the
DMZ Host IP Address
field
3.
Click the
Save
button.
)
Note:
After you set the DMZ host, the firewall related to the host will not work.
4.7.4 UPnP
The Universal Plug and Play (UPnP) feature allows the devices, such as Internet computers, to
access the local host resources or devices as needed. UPnP devices can be automatically
discovered by the UPnP service application on the LAN. You can configure UPnP on this page
that shown in
Figure 4-32
:
Figure 4-32 UPnP Setting
¾
Current UPnP Status -
UPnP can be enabled or disabled by clicking the
Enable
or
Disable
button. As allowing this may present a risk to security, this feature is disabled by default.
¾
Current UPnP Settings List -
This table displays the current UPnP information.
•
App Description
– The description provided by the application in the UPnP request
•
External Port
-
External port, which the router opened for the application.
•
Protocol
–
Shows which type of protocol is opened.
•
Internal Port
-
Internal port, which the router opened for local host.
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•
IP Address
-
The UPnP device that is currently accessing the router.
•
Status -
Either Enabled or Disabled, “Enabled” means that port is still active. Otherwise,
the port is inactive.
Click
Refresh
to update the Current UPnP Settings List.
4.8 Security
Figure 4-33 The Security menu
There are five submenus under the Security menu (shown in Figure 4-33):
Firewall,
IP Address
Filtering, Domain Filtering, MAC Address Filtering
and
Advanced Security.
Click any of them,
and you will be able to configure the corresponding function. The detailed explanations for each
submenu are provided below.
4.8.1 Firewall
Using the Firewall page (shown in Figure 4-34), you can turn the general firewall switch on or off.
The default setting for the switch is off. If the general firewall switch is off, even if IP Address
Filtering, DNS Filtering and MAC Filtering are enabled, their settings are ineffective.
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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.