International Journal of Network Security
There is a growing demand for wireless ad hoc network systems in examining the content of data packages in or-der to improve network security and application service. Whereas, each distributed wireless node has limited memory and computing power. Since regular expressions offer superior expression power and flexibility, taking advantage of distributed nodes and regular expression collaboratively can be a new perspective for wireless network security strategy. In this paper, a regular expression matching approach is introduced for distributed wireless network security system called DREM (Distributed Regular Expression Matching), which divides the matching into two stages: pre-filtering stage and verifying stage.