H12-722_V3.0 Exam Dumps : HCIP-Security-CSSN V3.0

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.

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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.

TCP proxy means that the firewall is deployed between the client and the server. When the SYI packet sent by the client to the server passes through the firewall, the

The firewall replaces the server and establishes a three-way handshake with the client. Generally used in scenarios where the back and forth paths of packets are inconsistent.

During the TCP proxy process, the firewall will proxy and respond to each SYN message received, and maintain a semi-connection, so when the SYN message is

When the document flow is heavy, the performance requirements of the firewall are often high.

TCP source authentication has the restriction that the return path must be consistent, so the application of TCP proxy is not common. State "QQ: 9233

TCP source authentication is added to the whitelist after the source authentication of the client is passed, and the SYN packet of this source still needs to be verified in the future.

After the file decompression fails, the file will still be filtered. .

The application identification module can identify the type of application that carries the file.

Protocol decoding is responsible for analyzing the file data and file transmission direction in the data stream.

The file type recognition module is responsible for identifying the true type of the file and the file extension based on the file data