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4-Port Cable/DSL Broadband Router Use’s Guide
and expose it to the outside network. Outside user can browse inside web server
directly while it is protected by NAT.
Figure 4-14
z
Rule Name:
The description of this setting.
z
Internal Server IP Address:
This is the LAN client/host IP address that the
Public Port number packet will be sent to.
z
Protocol:
Select the protocol type (TCP, UDP, FTP, HTTP).
z
External Port:
This is the port number (of the above Private IP host) that the
below Public Port number will be changed to when the packet enters your LAN
(to the LAN Server/Client IP).
z
Internet Port:
Enter the service (service/Internet application) port number from
the Internet that will be re-directed to the above Private IP address host in your
LAN. Click "Add" button after enter the all fields to add the rule.
z
Current Virtual Server Table:
This display shows the valid virtual Servers in
Broadband Router. User can view the information about Virtual Server’s Table.
Fill in the “Rule Name”, “Internet Server IP Address”, " Protocol ", " External Port”,
and “Internet Port” of the setting to be added and then click "Add". Then this Special
Application setting will be added into the "Current Virtual Server Table" below.
If you want to remove some Special Application settings from the "Current Virtual
Server Table", select the Special Application settings you want to remove in the table
and then click "Delete ".
When finished making your changes on this screen, click the Save button to save
these changes.
4.5.4 Port Trigger
Port trigger module dynamically register virtural server rules when any IP host
generate the packet from the specified trigger protocol and port. The port trigger
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4-Port Cable/DSL Broadband Router Use’s Guide
that you set manually can be used for some special use.
Figure 4-15
z
Predefined Trigger Rules
: Some default module, chose the one you need it.
z
Rule Name
: You can enter whatever you want. It's just a string..
z
Trigger Protocol
: Chose TCP/UDP type for the packet you want to trigger.
If the rule existed in predefined virtual server rule, you can choose the rule.
z
Trigger Port
: Enter the port number (The value's range is 1 to 65535) from
which the packet will be on WAN.
z
Forward Protocol
: Chose TCP/UDP type for the packet you want to forward.
If the rule existed in predefined virtual server rule, you can choose the rule.
z
Forward Port
: Enter the port number to which the packet will be forwarded
on LAN
z
Press "Add" button after enter the all fields to add the rule.
Check to select the rule and press "Delete" to delete the rule.
4.6 Fire Wall
The Broadband Router provides extensive firewall protection by restricting
connection parameters to limit the risk of hacker attack, and defending against a
wide array of common hacker attacks. The Broadband Router provides packet
filtering rules by restricting service ports, IP address or MAC address.
When finished making your changes on this screen, click the Save button to save
these changes.
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4-Port Cable/DSL Broadband Router Use’s Guide
4.6.1 MAC Filtering Configuration
You can block certain client PCs accessing the Internet based on MAC addresses.
Figure 4-16
z
Status.
You can choose to turn on or turn off the Mac filtering configuration by
click start/stop button.
z
If checked, the undefined item in MAC Address list is allowed to access Internet;
Unchecked means reverse, Click “Apply” to save the setting.
z
MAC Address.
Enter the toggled physical address that to be allowed or
forbidden to access the Internet by select “permit” or “deny” in the drop-down
menu. Then click “add” button to finish the setting.
NOTE:
Enter the 12-digit MAC address in this format, XX-XX-XX-XX-XX-XX, with the
hyphens.
z
Current MAC filtering Table:
This display shows the valid MAC filtering rules in
Broadband Router. User can view the information about MAC filtering Table.
If you want to remove some Special Application settings from the " Current MAC
filtering Table", select the Special Application settings you want to remove in the
table and then click "Delete ".
When finished making your changes on this screen, click the Save button to save
these changes.
4.6.2 Connection Filtering Configuration
To control a certain client PCs accessing the Internet based on time. You can filter
Internet access for local clients based on IP addresses, application types, (i.e.,
HTTP port), and time of day. For example, this screen shows that clients in the
address range 192.168.10.20-50 are permanently restricted from using FTP (Port
21), while clients in the address range 192.168.10.60-70 are blocked from browsing
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4-Port Cable/DSL Broadband Router Use’s Guide
the Internet (port 80) from Monday to Friday and from 0:00 AM to 11:00 PM.
Figure 4-17
z
Status.
You can choose to turn on or turn off the Connection Filtering
Configuration by click start/stop button.
z
If checked, the undefined item in IP Address list is allowed to access Internet;
Unchecked means reverse.
z
Rule Name:
Enter any name you want to use for the Application Name.
z
Source IP address:
Enter the IP address that you wish to apply this Access
Control rule.
z
Protocol.
Select the protocol type (TCP, UDP, FTP, HTTP).
z
Destination Port.
You can assign up to a port number or a port range. The
router will block clients from accessing Internet services that use these ports.
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4-Port Cable/DSL Broadband Router Use’s Guide
z
Days To Block,
Chose days to block
z
Times To Block,
Chose time to block.
z
Current Access Control Table:
This display shows the valid Current Access
Control rules in Broadband Router. User can view the information about Current
Access Control Table.
Fill in the all of the setting to be added and then click "Add". Then this Special
Application setting will be added into the "Current Trigger-Port Table" below.
If you want to remove some Special Application settings from the "Current Access
Control Table", select the Special Application settings you want to remove in the
table and then click "Delete ".
When finished making your changes on this screen, click the Save button to save
these changes.
4.6.3 URL Filtering Configuration
You can enter keywords specific to the site in these fields. The Router will block
access to sites that use those keywords.
NOTE:
You can use wildcards (*and?); "*" is the multi-letters; "?" is a letter;
For example:*.*sex*.* express that all URL with "sex" will be blocked!
Figure 4-18
Fill in the all of the setting to be added and then click "Add". Then this Special
Application setting will be added into the "Current URL Filtering Table" below.
If you want to remove some Special Application settings from the "Current URL
Filtering Table", select the Special Application settings you want to remove in the
table and then click "Delete ".
When finished making your changes on this screen, click the Save button to save
these changes.
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