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Network attacks that deny access to a network device are called
The ADSL Wireless Base Station firewall function protects against the following DoS attacks: IP Spoofing, Land Attack, Ping of Death, IP with zero length, Smurf Attack, UDP port loopback, Snork Attack,TCP null scan, and TCP SYN flooding. (See page
The firewall does not significantly affect system performance, so we advise leaving it enabled to protect your network. Select Enable and click the ‘SAVE SETTINGS’ button to open the Firewall submenus.
Access Control
Access Control allows users to define the outgoing traffic permitted or not- permitted through the WAN interface.The default is to permit all outgoing traffic.
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| The following items are on the Access Control screen: | |
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| Parameter | Description |
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| Enable Filtering Function Click Yes to turn on the filtering function. |
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| Normal Filtering Table | Displays the IP address (or an IP address range) filtering table. | |
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To add the PC to the filtering table:
1 Click ‘Add PC’ on the Access Control screen.
2 Define the appropriate settings for client PC services.