International Journal of Advanced Networking and Applications

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Firewall Approach to Computer Network Security: Functional Viewpoint


Affiliations
1 Computer Engineering Department, Yaba College Of Technology, Lagos, Nigeria
2 Computer Technology Department, Yaba College Of Technology, Lagos, Nigeria
 

In today’s modern world, most businesses, regardless of size believes that access to the internet is essential to compete effectively in the industry. Yet, connecting a personal or corporate computers to the internet could expose personal or confidential data to malicious attack from anywhere since unprotected connections to the internet makes computer users vulnerable to attacker, hacker, virus, and other internet threats. Therefore, firewall is introduced to provide high degree of protection to the network and network users. This work is concerned with the design and implementation with firewall approach to network security as a means of protecting both individual and corporate network from hostile intrusion coming through internet connectivity. Conclusively, this system proposed is built based on the packet filtering mechanism to control or filter all the packets coming in and leaving the protected site using IP address, and port number of the TCP/IP packet. It was discovered that firewall approach is more robust as it combined capability of other methods like packet filtering, port scanning etc.

Keywords

Attacker, Firewall, Hacker, Virus, Internet Threats, TCP/IP Packet, Packet Filtering, Network Users.
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  • Firewall Approach to Computer Network Security: Functional Viewpoint

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Authors

Oloyede A.O.
Computer Engineering Department, Yaba College Of Technology, Lagos, Nigeria
Yekini N.A
Computer Engineering Department, Yaba College Of Technology, Lagos, Nigeria
Akinwole A.K
Computer Technology Department, Yaba College Of Technology, Lagos, Nigeria
Ojo O
Computer Technology Department, Yaba College Of Technology, Lagos, Nigeria

Abstract


In today’s modern world, most businesses, regardless of size believes that access to the internet is essential to compete effectively in the industry. Yet, connecting a personal or corporate computers to the internet could expose personal or confidential data to malicious attack from anywhere since unprotected connections to the internet makes computer users vulnerable to attacker, hacker, virus, and other internet threats. Therefore, firewall is introduced to provide high degree of protection to the network and network users. This work is concerned with the design and implementation with firewall approach to network security as a means of protecting both individual and corporate network from hostile intrusion coming through internet connectivity. Conclusively, this system proposed is built based on the packet filtering mechanism to control or filter all the packets coming in and leaving the protected site using IP address, and port number of the TCP/IP packet. It was discovered that firewall approach is more robust as it combined capability of other methods like packet filtering, port scanning etc.

Keywords


Attacker, Firewall, Hacker, Virus, Internet Threats, TCP/IP Packet, Packet Filtering, Network Users.

References