Before configuring DDoS attack defense, you must configure different thresholds for defense against different types of attacks. Each threshold can be considered an upper limit for normal network traffic. When the rate of traffic exceeds the pre-configured threshold, the firewall considers it to be attack traffic and takes a corresponding action to defend against it.
During deployment of Portal authentication, an authentication-free rule profile needs to be configured to ensure Portal pages can be opened on authentication terminals. To achieve this purpose, the following traffic needs to be permitted in the authentication-free rule profile: DNS resolution traffic of user terminals, traffic from user terminals for accessing Portal pages, and traffic from user terminals to the RADIUS server.
Which of the following statements is false about HTTP behavior?
When an IPsec VPN is established in aggressive mode, AH+ESP can be used to encapsulate packets in NAT traversal scenarios.
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