It 240 week 7 dq 2

IT 240 Week 7 DQ 2
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Unformatted text preview: Week 7 Discussion Question 2 What roles do firewalls and proxy servers play in network security? What is the importance of maintaining security on a LAN? Give examples to support your answer. A proxy server has two purposes; to keep machines behind it anonymous (mainly for security) and to speed up access to a resource (via caching). It is commonly used to cache web pages from a web server. The proxy server deters unwanted individuals from looking into the network. A firewall is a part of a computer system or network that is designed to block unauthorized access while permitting outward communication. Both the proxy server and the firewall help block unauthorized access. Maintaining security on a LAN will keep the network running the way it was indented, keep unauthorized access to a minimum and help catch those that feel the need to test the system security protocols. The information on any LAN needs to be safe and accurate. ...
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