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¾

Internal Port

-

Internal port, which the router opened for local host

¾

IP Address

-

The UPnP device that is currently accessing the router

¾

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.

4.7 Security

Figure 4-19 The Security menu

There are six submenus under the Security menu (shown in Figure 4-19):

Firewall

,

IP Address

Filtering, Domain Filtering, MAC Filtering, Remote Management

and

Ping from WAN.

Click

any of them, and you will be able to configure the corresponding function. The detailed

explanations for each submenu are provided below.

4.7.1 Firewall

Using the Firewall page (shown in Figure 4-20), 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.

- Security

y

Firewall

y

IP Address Filtering

y

Domain Filter

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Figure 4-20 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 as 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

4.7.2 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 4-21:

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Figure 4-21 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 4-22:

Figure 4-22 Add or Modify an IP Address Filtering Entry

To create or modify an IP Address Filtering entry, please follow these instructions:

1

LAN IP Address

-

Type 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.

2

LAN Port

-

Type a LAN Port or a range of LAN ports in the field. For example, 1030 - 2000.

Keep the field open, which means all LAN ports have been put into the field.

3

WAN IP Address

-

Type 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.

4

WAN Port

-

Type a WAN Port or a range of WAN Ports in the field. For example, 25 – 110.

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Keep the field open, which means all WAN Ports have been put into the field.

5

Protocol

-

Select which protocol is to be used, either

TCP, UDP

, or

All

(all protocols

supported

by the router).

6

Pass

-

Select either

Allow

or

Deny

through the router.

7

Status

-

Select

Enabled

or

Disabled

for this entry on the

Status

pull-down list.

8

Click

the

Save

button to save this entry.

To add additional entries, repeat steps 1-8.

When finished, click the

Return

button to return to

IP Address Filtering

page.

To modify or delete an existing entry:

1.

Find the desired entry in the table.

2.

Click

Modify

or

Delete

as desired on the

Modify

column.

3.

Click the

Enable All

button to enable all entries.

4.

Click

the

Disable All

button to disable all entries.

5.

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 the second box you want to

move to, and then click the

Move

button to change the entry’s order.

6.

Click the

Next

button to go 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 wish 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 PCs have no limit. First, enable the

Firewall

and

IP Address

Filtering

on the

Firewall

page, then, you should specify the Default IP Address Filtering Rule

"

Deny these PCs with effective rules to access the Internet

" on the Firewall page and the

following IP address filtering list on this page:

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4.7.3 Domain Filtering

The Domain Filtering page (shown in Figure 4-23) allows you to control access to certain websites

on the Internet by specifying their domains or key words.

Figure 4-23 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 4-24:

Figure 4-24 Add or Modify a Domain Filtering entry

To add or modify a Domain Filtering entry, follow these instructions:

1.

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.

2.

Status

-

Select

Enabled

or

Disabled

for this entry on the

Status

pull-down list.

3.

Click the

Save

button to save this entry.

To add additional entries, repeat steps 1-3.

When finished, click the

Return

button to return to the

Domain filtering

page.