分布式扫描器本身所具备的大规模并发性、便于统一管理等优点,适用于政府网、校园网和集团公司等大型复杂的网络环境下网络扫描。本文对分布式扫描器及其安全性进行了研究,通过采用证书、加密和签名等技术保障了客户/服务器之间的通信的身份验证、访问控制、数据的保密性和完整性。 Distributed scanner itself with large-scale concurrency, easy to unified management, etc., suitable for government networks, campus networks and group companies and other large and complex network environment network scanning. In this paper, the distributed scanner and its security are researched. The authentication, access control, data confidentiality and integrity of the client / server communication are guaranteed by the technologies of certificate, encryption and signature.