Proxy Server

Definition: A proxy server acts as a middleman between your internal and external networks. It serves the dual roles of speeding up access to the Internet as well as providing a layer of protection for the internal network. Clients send Internet requests to the proxy server which in turn initiates communications with actual destination server.

By caching pages that have been previously requested, the proxy server speeds up performance by responding to future requests for the same page using the cached information rather than going to the web site again.

When using a proxy server external systems only see the IP address of the proxy server so the true identity of internal computers is hidden. The proxy server can also be configured with basic rules of what ports or IP addresses are or are not allowed to pass through which makes it a type of basic firewall.

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Tony Bradley

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I have a passion for technology and gadgets--with a focus on Microsoft and security--and a desire to help others understand how technology can affect or improve their lives. I also love spending time with my wife, 7 kids, 4 dogs, 7 cats, a pot-bellied pig, and sulcata tortoise, and I like to think I enjoy reading and golf even though I never find time for either. You can contact me directly at tony@xpective.net. For more from me, you can follow me on Threads, Facebook, Instagram and LinkedIn.

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