Implementation of Firewall System Using Packet Filtering Method in the Linux OS

Linux 운영체제에서 Packet Filtering 방식을 이용한 방화벽 시스템의 구현

Complying with highly demand of information through internet. the utility of computer and network is rapidly provided with to schools. This situation brings about many problems. For example, the stolen information through false identification(Hacking) is the most greatest concern. In this paper it tells that the efficient way of preservating computer use is by using operating system of Open Source, which is Linux system. Further more, it shows the system which was organized by IP-Tabling (offered service-Packet Filtering method from the Linux system) functions well as a security system.