For the basic mode of HTTP Flood source authentication, which of the following options are...

The basic mode can effectively block the access from the Feng Explor client.

The bot tool does not implement a complete HTTP protocol stack and does not support automatic redirection, so the basic mode can effectively defend against HTTP Flood attacks.

hit.

When there is an HTTP proxy server in the network, the firewall will add the IP address of the proxy server to the whitelist, but it will recognize the basic source of the zombie host.

The certificate is still valid.

The basic mode will not affect the user experience, so the defense effect is higher than the enhanced mode.