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Note:

After you check the

radio button in the

‘Enable or disable

Firewall features’ field,

you must click the ‘SAVE

SETTINGS’ button to

display the list of firewall

features.

Security Settings (Firewall)

The router’s firewall enables access control of client PCs, blocks common hacker attacks, including IP

Spoofing, Land Attack, Ping of Death, IP with zero length, Smurf Attack, UDP port loopback, Snork Attack, TCP

null scan, and TCP SYN f looding. The firewall does not significantly affect system performance and we advise

leaving it enabled to protect your network.

You can select a pre-defined firewall level from the drop down list Available options are High, Medium, Low Level

& User Defined. Select User Defined to manually adjust the firewall settings.

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Access Control

Access Control allows users to define the outgoing traffic permitted or not-permitted through the WAN

interface. In the example above, all incoming and outgoing emails are blocked. The default is to permit all

outgoing traffic (see the following page for details).

The router can also limit the access of hosts within the local area network (LAN).The MAC Filtering Table allows

the router to enter up to 32 MAC addresses that are not allowed access to the WAN port. The following items

are displayed on the Access Control.

Parameter Description

Enable Filtering:

Enables or disables the filtering function.

Normal Filtering Table:

Displays the IP address (or an IP address range) filtering table.

Click ‘Add PC’ on the Access Control screen to view the following page.

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Access Control Add PC

The settings in the screen shot below will block all email sending and receiving.

Define the appropriate settings for client PC services (as shown above). Click ‘OK’ to save your settings. The

added PC will now appear in the Access Control page.

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MAC Filter

Use this page to block access to your network using MAC addresses.

The router can also limit the access of hosts within the local area network (LAN). The MAC Filtering Table allows

the router to enter up to 32 MAC addresses that are allowed access to the WAN port. All other devices will be

denied access.

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URL Blocking

To configure the URL Blocking feature, use the table below to specify the web sites (www somesite.com) and/

or keywords you want to filter on your network

To complete this configuration, you will need to create or modify an access rule in ‘Access Control’. To modify an

existing rule, click the Edit option next to the rule you want to modify. To create a new rule, click on the Add PC

option.

From the Access Control Page, Add PC section, check the option for ‘WWW with URL Blocking’ in the Client PC

Service table to filter out the web sites and keywords selected below, on a specific PC.

The router allows the user to block access to web sites from a particular PC by entering either a full URL address

or just a keyword. This feature can be used to protect children from accessing violent or pornographic web

sites.

Chapter 5 :

Advanced Setup

BoB

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