TD-W8910G

54M Wireless ADSL2+ Router User Guide

Figure 5-23

5.4.4.1. IP Filtering

The IP address filtering feature makes it possible for administrators to control user's access to the

Internet, which is based on user's IP. The IP address filtering includes

Outgoing

and

Incoming

,

the detailed descriptions are provided below.

IP Filtering - Outgoing

Choose “

Advanced Setup

”

Æ

“

Security

”

Æ

“

IP Filtering

”

Æ

“

Outgoing

”, you can configure

Outgoing Filtering rules on the screen (shown in Figure 5-24).

The Outgoing IP Filtering feature allows you to control some IP traffic from LAN to access to

some specifically addresses. By default, all outgoing IP traffic from LAN is allowed, but some IP

traffic can be

BLOCKED

by setting up filters.

Figure 5-24

Setup an Outgoing IP Filtering rule:

1.

Click the

Add

button (pop-up Figure 5-24), then you will set the new rule in the next screen

(shown in Figure 5-25).

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TD-W8910G

54M Wireless ADSL2+ Router User Guide

Figure 5-25

2.

Enter the

Filter name

for the rule, it is exclusive and must be filled.

3.

Select the

protocol: TCP/UDP

,

TCP

,

UDP

or

ICMP

in the drop-down list for the connection

between the Source IP address

and Destination IP address.

4.

Enter a

Source IP Address

in dotted-decimal notation format and then type the

Source

Subnet Mask

and

Source Port

(port or port

:

port) in the text boxes separately.

5.

Enter a

Destination IP Address

in dotted-decimal notation format and then type the

Destination Subnet Mask

and

Destination Port

(port or port

:

port) in the text boxes

separately.

6.

Click the

Save/Apply

button to save this entry.

Note:

When you add an

Outgoing IP Filtering entry, you must configure at least one condition on the

screen above except the Filter name. If you leave the Protocol blank, it means that the rule is

effective to all protocols, if you leave the Source IP Address and/or Destination IP Address blank,

it suggests that all Source IP Addresses and/or Destination IP Addresses are controlled by the

rule, if you leave the Source Port and/or Destination Port blank, it suggests that all Source Ports

and/or Destination Ports are controlled by the rule.

IP Filtering - Incoming

Choose “

Advanced Setup

”

Æ

“

Security

”

Æ

“

IP Filtering

”

Æ

“

Incoming

”, you can configure

Incoming Filtering rules on the screen (shown in Figure 5-26).

The Incoming IP Filtering feature allows some IP traffic from WAN to access some local

addresses. By default, all incoming IP traffic from the WAN is blocked when the firewall is

enabled. However, some IP traffic can be

ACCEPTED

by setting up filters.

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TD-W8910G

54M Wireless ADSL2+ Router User Guide

Figure 5-26

Setup an Incoming IP Filtering rule:

1.

Click the

Add

button (pop-up Figure 5-26), and then you will set the new rule in the next

screen (shown in Figure 5-27).

Figure 5-27

2.

Enter the

Filter name

for the rule, it is exclusive and must be filled in.

3.

Select

Protocol

in the drop-down list, enter

Source IP address

,

Source Subnet Mask

,

Source Port

,

Destination IP address

,

Destination Subnet Mask

, and

Destination Port

for

the rule.

4.

Select at least one WAN interfaces displayed below to apply this rule.

5.

Click the

Save/Apply

button to save this entry.

Note:

43

TD-W8910G

54M Wireless ADSL2+ Router User Guide

When you add a

Incoming IP Filtering entry, you must configure at least one condition on the

screen above except the Filter name. If you leave

Protocol

blank, it means that the rule is

effective to all protocols, if you leave the Source IP address and/or Destination IP address blank,

it suggests that all Source IP addresses and/or Destination IP addresses are controlled by the

rule, if you leave the Source Port and/or Destination Port blank, it suggests that all Source Ports

and/or Destination Ports are controlled by the rule.

5.4.4.2. MAC Filtering

Choose “

Advanced Setup

”

Æ

“

Security

”

Æ

“

MAC Filtering

”, you can configure MAC Filtering rules

on the screen (shown in Figure 5-28). The section allows you to control access to the Internet by

users on your local network based on their MAC Address.

Figure 5-28

¾

Change Policy:

There are two policies for the MAC filters

: FORWARDED

and

BLOCKED

.

Click the button to change from one policy to another. When you select

FORWARDED

, it

means that all

MAC layer frames will be

forwarded

except those matching with any of the

specified rules in the table (shown in Figure 5-28). While

BLOCKED

means that all MAC

layer frames will be

blocked

except those matching with any of the specified rules in the table

above.

¾

Add:

Click the

Add

button, and then you can add a new MAC Filter in the next screen (shown

in Figure 5-28).

¾

Remove:

Select the check box in the table (shown in Figure 5-28) and then click the

Remove

button, and then the corresponding entry will be deleted in the table.

To setup a MAC Filtering rule:

1.

Click the

Add

button (pop-up Figure 5-28), then you will set the new rule in the next screen

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TD-W8910G

54M Wireless ADSL2+ Router User Guide

(shown in Figure 5-29).

Figure 5-29

2.

Select

Protocol Type

in the drop-down list for the rule.

3.

Enter

Destination MAC Address

and

Source MAC Address

in the text box.

4.

Select

Frame Direction

in the drop-down list for the rule.

5.

Select the

WAN interfaces

, you can leave the default settings also.

6.

Click the

Save/Apply

button to save this entry.

Note:

MAC Filtering is only effective on ATM PVC(s) configured in Bridge mode.

5.4.4.3. Parental Control

Choose “

Advanced Setup

”

Æ

“

Security

”

Æ

“

Parental Control

”. You can configure the Parental

Control rules on the screen (shown in Figure 5-30). This section allows you add time of day

restriction to a special LAN device connected to the Router.

Figure 5-30

To setup a Parental Control rule:

1.

Click the

Add

button (pop-up Figure 5-30), and then you will set the new rule in the next

45