Dynamic packet filter utilizing session tracking

The invention claims a novel and beneficial dynamic packet filtering, comprising a introduce a based on hardware, and suitable for a firewall of the portable calculating device using, wherein the portable calculating device is such as A wherein a mobile telephone handset and wireless is suitable for connecting Internet's device. The invention to time dynamic packet to filter via packet of the input current packet receiving. The dynamic filter is polling the dynamic protocol behaviour of the information in receiving packet elements. The session is a created and operating one session database, so that the number of tracker the communication between the source and destination. And used to radiation to tabulate the quick and session database the corresponding for session, so that the number of the acceleration session to distinguish. The session data interaction reads from the session database, and method of set of conduct the inspection to the receiving according to one group of rules, so that the number of determining whether is or refuses to set.