Survey on Network Security, Threats & Firewalls
Journal Title: International Journal of Advanced Research in Computer Engineering & Technology(IJARCET) - Year 2012, Vol 1, Issue 7
Abstract
Network security is an important task that must be seriously considered when designing a network. It defined as the policies and procedures followed by a network administrator to protect the network devices from threats and simultaneously, the unauthorized users must be prevented from accessing the network. As the numbers of attacks are increasing day by day, it is necessary to explore the information regarding new attacks and take appropriate steps to safeguard the network from malicious attacks .This could be done with the help of firewalls that secure the network from the malicious attacks. Firewalls are nothing but are network devices that enforce an organizations security policy. Since their development, various methods have been used to implement firewalls. These methods filter network traffic at one or more of the seven layers of the ISO network model, most commonly at the application, transport, network, and data-link levels. Newer methods, which have not yet been widely adopted, include protocol normalization and distributed firewalls. Our main objective is to enhance the security in a network by performing various tasks in the network security process using firewalls. Here we discuss various type of network threats in network security approaches and their solution by the use of different firewalls phenomena.
Authors and Affiliations
Mr. Sachin Taluja , , Prof. Rajeshwar Lal Dua
Keywords
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