Firewall & Dos Protection - TP-Link TL-WR850N User Manual

Chapter 7
7. 1. Firewall & DoS Protection
The SPI (Stateful Packet Inspection) Firewall and DoS (Denial of Service) Protection
protect the router from cyber attacks.
The SPI Firewall can prevent cyber attacks and validate the traffic that is passing
through the router based on the protocol. This function is enabled by default, and it is
recommended to keep the default settings.
DoS Protection can protect your home network against DoS attacks from flooding your
network with server requests. Follow the steps below to configure DoS Protection.
1. Visit http://tplinkwifi.net, and log in with the password you set for the router.
2. Go to Advanced
3. Enable DoS Protection.
4. Set the protection level (Low,
Flood Attack Filtering
• ICMP-Flood Attack Filtering
Message Protocol) flood attack.
• UDP-Flood Attack Filtering
Protocol) flood attack.
• TCP-Flood Attack Filtering
Protocol) flood attack.
5. Click Save.
Tips:
1. The level of protection is based on the number of traffic packets. You can specify the level under
Level Settings.
> Security > Firewall & DoS
Middle or High) for
and TCP-Flood Attack
- Enable to prevent the ICMP (Internet Control
- Enable to prevent the UDP (User Datagram
- Enable to prevent the TCP (Transmission Control
Protection.
ICMP-Flood Attack
Filtering.
Network Security
Filtering, UDP-
DoS Protection
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