Advanced Setup; Firewall - TP-Link TD-W8961N User Manual

Authentication Type: Select the Authentication Type from the drop-down list.

Encryption: You can select either AUTO,

Wireless Password: You may personalize your guest network password by entering a new

password.
Group Key Update Period: Specify the group key update interval in seconds. The value

should be 30 or above. Enter 0 to disable the update.
Allow Guests to access Local Network: The guests have access to your local Network,

but cannot login the modem router's web management interface.
Guest Network Isolation: This function can isolate wireless clients on your guest

network from each other. Client isolation is disabled by default.
Guest Network Bandwidth Control: With this function, you can configure the Upstream

Bandwidth and Downstream Bandwidth for guest network.
Click Save to save your settings.

4.3 Advanced Setup

Choose Advanced Setup, and you will see the following submenus. Click any of them, and you
can configure the corresponding function.

4.3.1 Firewall

Go to Advanced Setup

Firewall: Select this option can automatically detect and block Denial of Service (DoS)
attacks, such as Ping of Death, SYN Flood, Port Scan and Land Attack.

SPI: If you enable SPI, all traffics initiated from WAN would be blocked, including DMZ,
Virtual Server, and ACL WAN side.
→ Firewall, and you will see the following screen.
AES or TKIP.
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