现在网络安全问题日益突出,针对网络威胁和管理的日益复杂提出了统一威胁管理概念,统一威胁管理被视为信息安全的解决方案。本文主要介绍UTM的产生、核心技术及对于网络安全的现实意义。 Nowadays, the problem of network security is becoming increasingly prominent. The concept of unified threat management is proposed for the increasingly complicated network threats and management, and unified threat management is regarded as a solution to information security. This article introduces the production of UTM, the core technology and the practical significance of network security.