Network Security, Ensuring Maximum Protection through Firewall

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A. N. Egere
Ifeanyi E. Ukatu

Abstract

The connection of an internal network to an external network such as Internet has made it vulnerable to attacks. One class of network attack is unauthorized penetration into network due to the openness of networks. It is possible for an attacker or hackers to sum access to an internal network, this pose great danger to the network and network resources. Our objective and major concern of network design was to build a secured network, based on software firewall that ensured the integrity and confidentiality of information on the network. We proposed an Object-Oriented Methodology and developed an improved software based solution that allows all the inbound and outbound traffic to pass through the firewall. The firewall in turn determines which traffic should be allowed in or out of the network. The firewall algorithm was implemented using Java programming language, which was based on java security architecture. It also utilizes the concept of XML and HTML programming which enables network communication over the internet.

 

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