Personal Firewall Design Based On Windows System

A firewall is to protect the internal network security and the establishment of the first line of defense. The fundamental purpose of a firewall is to prevent users are not allowed to enter into the internal network. In a large professional network firewalls and more in the form of hardware devices appear in a small network or personal computer network, can be integrated into routers and other devices, or it can be a software application, a firewall is usually placed in the internal network and the junction of the external network for all incoming and outgoing packets to detect the current network monitoring, and make the appropriate judgment and treatment.This topic will be completed through the packet filtering technology that can allow ordinary users to easily monitor and control the current network status comprehensive personal firewall. Users can view the current network status by this paragraph firewall, through the network status and condition of the machine to set up a network security rules to control the network, enabling network access control, information filtering and other functions to help users resist outside intrusion and hacking, to prevent the disclosure of local information. The software uses the application layer/core layer double filtering mechanism, allowing full control of each network packet access. In the development process, the firewall system, using a combination of structured and object-oriented development methods, greatly improving the efficiency of the system development, but the development process is more standardized.