Anonymization of the original alerts containing privacy is dealt with by using concept hierarchy in this paper,on the basis of which the correlation analysis of anonymized alerts is carried out with altered probabilistic similarity based approaches.

Construction of real-time memory resident database and anonymous pipes used in IPC of DTS;

Application of Anonymous Pipes in Win9x Environment;

But at the same time it also causes the shortage of stability of the anonymous channel because its nodes can leave and enter at any time.

Considering that there exists some stability and security problems in P2P anonymous networks,a reputation model is proposed based on P2P anonymous environment to select peers with high performance and good behavior while establishing anonymous channels.

Miao-Wang-Miao-Xiong\'s anonymous E-Prosecution scheme was analyzed.