High-defense servers are dedicated servers used to resist various network attacks. In order to improve the efficiency of high-defense servers, the following are some common methods and suggestions:

　　1. Choose appropriate hardware configuration: The high-defense server should have sufficient processing power and bandwidth to handle a large amount of network traffic and attack traffic. Make sure that the server's hardware configuration, such as processors, memory, and network interfaces, can meet the expected load demands.

　　2. Configuration optimization: Optimize the configuration of the server, including operating system parameter settings, network configuration and service tuning. This improves server performance and stability and reduces response delays.

　　3. Security protection strategy: Develop a reasonable security protection strategy, including the configuration of intrusion detection and defense systems, and the implementation of security measures such as firewalls and access control lists. This helps block malicious traffic and attacks and improves the efficiency of high-defense servers.

　　4. Real-time monitoring and alarming: Establish a monitoring system to monitor the performance and network traffic of high-defense servers in real time. Discover abnormal situations in a timely manner and set up corresponding alarm mechanisms to take timely response measures.

　　5. Load balancing: For large-scale attack traffic, use load balancing technology to distribute the traffic to multiple servers to share the load pressure on the server. This helps improve server efficiency and availability.

　　6. Caching and acceleration: Using caching and acceleration technologies, such as CDN (content distribution network) and reverse proxy, static content can be cached to nodes closer to users, reducing server load and improving access speed.

　　7. Regular updates and maintenance: Regularly update the server's operating system, security patches and protective software to ensure that the server is always in the latest security state. In addition, regular system maintenance and optimization are performed to clean up useless logs and temporary files to improve server performance and efficiency.

　　8. Backup and disaster recovery: Carry out regular data backup and establish a disaster recovery plan to prevent server failure or data loss. This helps protect business data and quickly restore services, improving the efficiency and reliability of high-defense servers.

　　To sum up, through appropriate configuration, security protection, monitoring and optimization measures, the efficiency of high-defense servers can be improved and various network attacks can be effectively dealt with. At the same time, regular maintenance and backup work are also important aspects to ensure long-term stable operation of the server.