Study of network security situation awareness system based on Netflow
基于Netflow的网络安全态势感知系统研究*

The summarization of studying situation in NSSAS all over the world was presented firstly. Basic principles and data formats of Netflow were given. And then the framework of NSSAS based on Netflow was put forward. Key technologies related to building NSSAS prototype were discussed. Test results show that the method is reasonable and feasible.