Would you like to learn how to enable the stateful firewall and configure the DOS protection on the TP-LINK ARCHER C20 AC750? In this tutorial, we are going to configure the firewall and enable the Denial of service protection on the AC750 router.

• TP-LINK ARCHER C20 AC750 - Version 5.0

Equipment list

Here you can find the list of equipment used to create this tutorial.

This link will also show the software list used to create this tutorial.

Archer C20 AC750 - Firewall and DOS protection

Open your browser and enter the IP address of your wireless router.

In our example, the following URL was entered in the Browser:


The AC750 web interface should be presented.

On the login screen, enter the management password.


Access the Advanced tab on the top of the screen.

ARCHER C6 - Advanced menu

Access the SYSTEM TOOLS menu and select the TRAFFIC STATISTICS option.

Archer C6 AC1200 - Traffic Statistics menu

Make sure the Traffic statistics option is enabled.

Archer C6 AC1200 - Traffic statistics

Access the SECURITY menu and select the SETTINGS option.

Archer C6 AC1200 - Security settings menu

On the Security settings screen, perform the following configuration:

• Firewall SPI IPV4 - Yes.
• Firewall SPI IPV6 - Yes.
• DOS Protection - Yes.
• ICMP-FLOOD Attack filtering - Middle.
• UDP-FLOOD Attack filtering - Middle.
• TCP-SYN-FLOOD Attack filtering - Middle.

Click on the Save button.

Archer C20 AC750 SPI Firewall and DOS protection

Verify the protection levels configured.

Archer C6 AC1200 - DOS Protection level

Congratulations, you have configured the Firewall and DOS protection on the AC750 router.