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SAFEGUARD OF SECURITY: FIREWALLS

Ramandeep Kaur, Amritpal Kaur

This article is based on network security and security issues. Day to day hackers and intruders are attacking on packets data with occurring disturbing traffic flood in source to destination way. Many techniques and types are helping us to secure our data from attackers. IP address, port number using in network security firewall for passing information on original server to clients. This paper will introduce various methods of network security using firewalls. The security that firewalls supply is only as superior as the strategy they are configured to realize.