%0 Journal Article %T Network Security Using Firewalls %A Robert Gy£¿r£¿di %A Cornelia Gy£¿r£¿di %A George Pecherle %A Radu Lucaciu %J Journal of Computer Science and Control Systems %D 2008 %I Editura Universit??ii din Oradea %X As networks increase in size and complexity, security products are growing in sophistication and security threats are becoming more ingenious. The usage of security solutions has become inevitable for all modern organisations. There is no perfect security, but the idea is to make a network so hard to access, that it doesn¡¯t worth trying. One of the crucial components that contribute to this security are firewalls. It is important to prevent undesired data before it ever gets into the target system. This is the job of firewalls and the article covers this topic. %K network security %K firewall %U http://electroinf.uoradea.ro/reviste%20CSCS/documente/JCSCS_2008/JCSCS_2008_7_GyorodiR_1.pdf