The web security protection provided for users can effectively protect against various web attacks, help users customize access rules, and improve the security of websites and other businesses. The original new WAF technical architecture system can flexibly deploy WAF instances at various web service portals, avoiding the embarrassment of hackers bypassing the agent to attack the source station under the traditional cloud WAF architecture. The integration of cloud security big data capabilities also enables WAF to help customers improve website security and availability more effectively and quickly.