Safety Strategies for Computer Network

Abstract：According to the safety condition of the present computer network, the paper asks people to attach great importance to the problems of network safety.It has discussed the principles of network safety, stresses firewall——a network safety technique, the kinds and methods of the use of data encryption and the problems during their application.Meanwhile, it points out that the network safety techniques are not perfect and most problems are caused by users accidentally.Therefore, the network safety should start with proper management.Finally, several practical management methods are introduced.

Keyword：computer network;present condition of safety;safety strategies;safety technique;management methods;