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Figure 4-39 MAC address Filtering

Before setting up MAC Filtering entries, you must ensure that

Enable

Firewall and

Enable

MAC

Filtering have been selected on the Firewall page. To Add a MAC Address filtering entry, clicking

the

Add New…

button. The page "

Add or Modify a MAC Address Filtering entry

" will appear,

shown in Figure 4-40:

Figure 4-40 Add or Modify a MAC Address Filtering entry

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

1.

Enter the appropriate MAC Address into the

MAC Address

field. The format of the MAC

Address

is

XX-XX-XX-XX-XX-XX

(X

is

any

hexadecimal

digit).

For

example:

00-0E-AE-B0-00-0B.

2.

Type the description of the PC in the

Description

field. Fox example: John’s PC.

3.

Status

- Select

Enabled

or

Disabled

for this entry on the

Status

pull-down list.

4.

Click the

Save

button to save this entry.

To add additional entries, repeat steps 1-4.

When finished, click the

Return

button to return to the

MAC Address Filtering

page.

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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

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

Click the

Next

button to go to the next page and click the

Previous

button to return to the

previous page.

Fox example:

If you want to block the PC with MAC addresses 00-0A-EB-00-07-BE and

00-0A-EB-00-07-5F to access the Internet, first, enable the

Firewall

and

MAC Address Filtering

on the

Firewall

page, then, you should specify the Default MAC Address Filtering Rule "

Deny

these PC(s) with effective rules to access the Internet

" on the Firewall page and the following

MAC address filtering list on this page:

4.8.5 Remote Management

You can configure the Remote Management function on this page shown in Figure 4-41. This

feature allows you to manage your Router from a remote location, via the Internet.

Figure 4-41 Remote Management

¾

Web Management Port

-

Web browser access normally uses the standard HTTP service

port 80. This router’s default remote management Web port number is 80

.

For greater

security, you can change the remote management Web interface to a custom port by

entering that number in this box provided. Choose a number between 1024 and 65534, but

do not use the number of any common service port.

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¾

Remote Management IP Address -

This is the current address you will use when

accessing your router from the Internet. The default IP Address is 0.0.0.0. It means this

function is disabled. To enable this function, change the default IP Address to another IP

Address as desired.

To access the router, you will type your router's WAN IP Address into your browser's Address

(in IE) or Location (in Navigator) box, followed by a colon and the custom port number. For

example, if your Router's WAN address is 202.96.12.8 and you use port number 8080, enter in

your browser:

. You will be asked for the router's password. After

successfully entering the password, you will be able to access the router's Web-based utility.

)

Note:

Be sure to change the router's default password to a very secure password.

4.8.6 Advanced Security

Using Advanced Security page (shown in Figure 4-42), you can protect the router from being

attacked by TCP-SYN Flood, UDP Flood and ICMP-Flood from LAN.

Figure 4-42 Advanced Security settings

¾

Packets Statistic interval (5 ~ 60) -

The default value is 10. Select a value between 5 and

60 seconds in the pull-down list. The

Packets Statistic interval

value indicates the time

section of the packets statistic. The result of the statistic used for analysis by

SYN Flood

,

UDP Flood

and

ICMP-Flood

.

¾

DoS protection -

Enable

or

Disable

the DoS protection function. Only when it is enabled,

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will the flood filters be effective.

¾

Enable ICMP-FLOOD Attack Filtering -

Enable

or

Disable

the

ICMP-FLOOD

Attack

Filtering.

¾

ICMP-FLOOD Packets threshold: (5 ~ 3600) -

The default value is 50. Enter a value

between 5 ~ 3600 packets. When the current

ICMP-FLOOD

Packets number sis beyond the

set value, the router will start up the blocking function immediately.

¾

Enable UDP-FLOOD Filtering -

Enable

or

Disable

the

UDP-FLOOD

Filtering.

¾

UDP-FLOOD Packets threshold: (5 ~ 3600) -

The default value is 50. Enter a value

between 5 ~ 3600 packets. When the current

UPD-FLOOD

Packets numbers is beyond the

set value, the router will start up the blocking function immediately.

¾

Enable TCP-SYN-FLOOD Attack Filtering - Enable

or

Disable

the

TCP-SYN- FLOOD

Attack Filtering.

¾

TCP-SYN-FLOOD Packets threshold: (5 ~ 3600) -

The default value is 50. Enter a value

between 5 ~ 3600 packets. When the current

TCP-SYN-FLOOD

Packets numbers is

beyond the set value, the router will start up the blocking function immediately.

¾

Ignore Ping Packet from WAN Port

-

Enable

or

Disable

ignore ping packet from WAN port.

The default is disabled. If enabled, the ping packet from the Internet cannot access the

router.

¾

Forbid Ping Packet from LAN Port

-

Enable or Disable forbidding Ping Packet to access

the router from the LAN port. The default value is disabled. If enabled, the ping packet from

the LAN port cannot access the router. (Defends against some viruses)

Click the

Save

button to save the settings.

Click the

Blocked DoS Host Table

button to display the DoS host table by blocking. The page

will appear that shown in Figure 4-43:

Figure 4-43 Thwarted DoS Host Table

This page shows

Host IP Address

and

Host MAC Address

for each host blocked by the router.

¾

Host IP Address-

The IP address that blocked by DoS are displayed here.

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¾

Host MAC Address -

The MAC address that blocked by DoS are displayed here.

To update this page and to show the current blocked host, click on the

Refresh

button.

Click the

Clear All

button to clear all displayed entries. After the table is empty the blocked host

will regain the capability to access Internet.

Click the

Return

button to return to the

Advanced Security

page

4.9

IP & MAC Binding Setting

Figure 4-44 the IP & MAC Binding menu

There are two submenus under the IP &MAC Binding menu (shown in Figure 4-44):

Binding

Setting

and

ARP List

. Click any of them, and you will be able to scan or configure the

corresponding function. The detailed explanations for each submenu are provided below.

4.9.1 Binding Setting

This page displays the IP & MAC Binding Setting table; you can operate it in accord with your

desire. (shown in Figure 4-45).

Figure 4-45 IP & MAC Binding Setting

•

MAC Address

-

The MAC address of the controlled computer in the LAN.

•

IP Address -

The assigned IP address of the controlled computer in the LAN.

•

Bind

-

Whether or not enable the arp binding.

•

Modify

-

Edit or delete item.