(Ac2.0 user manual of Shenxin online behavior, Part 1 overview of AC products. This part mainly introduces the appearance and functional characteristics of AC. And preparations and precautions before connection. It is mainly described in the preface. Part 2 detailed configuration of sinform5000-ac. It includes specific configuration methods and precautions for system configuration, routing settings, object settings, firewall, Internet behavior management, traffic management system, mail delay audit, Internet behavior audit, DoS attack prevention, policy troubleshooting, DHCP service, etc. The log viewing method is also described. It is mainly described in sinform5000-acwebui.)