Firewall-linux: a computer security solution for smes (small and medium-sized enterprises)

Abstract

It is facilitates a safety solution of personalized network of very low cost for the small and medium companies, allowing them to identify and to confront accurately the risks and to have an integral and complete protection. The needs of SMEs were detected and implemented a Linux Server Firewall. Basically you confgure a host with iptables tool to defne packet flter rules according to established security policies to protect the fow of data between two networks. It was done a functional analysis to frewall, installing services to hosts on local networks to verify the accuracy and feasibility of the confgured rules, in which the frewall behavior was very effective in accordance with the requirements of established security policies.