In a network environment, which device acts as an intermediary for requests from clients seeking resources from other servers, often used for both security purposes and to cache frequently accessed content, thus reducing bandwidth usage and speeding up access to data?
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Answer Description
A proxy server acts as an intermediary between clients and the internet, enhancing security and privacy by filtering content and hiding the client's IP address. It also improves network performance by caching frequently accessed data, reducing bandwidth usage and speeding up access. Additionally, proxy servers can enforce access policies and balance network load, making them vital for maintaining efficient and secure internet usage in organizational settings.
Wikipedia
In computer networking, a proxy server is a server application that acts as an intermediary between a client requesting a resource and the server providing that resource. It improves privacy, security, and performance in the process.
Instead of connecting directly to a server that can fulfill a request for a resource, such as a file or web page, the client directs the request to the proxy server, which evaluates the request and performs the required network transactions. This serves as a method to simplify or control the complexity of the request, or provide additional benefits such as load balancing, privacy, or security. Proxies were devised to add structure and encapsulation to distributed systems. A proxy server thus functions on behalf of the client when requesting service, potentially masking the true origin of the request to the resource server.
Proxy_server - Wikipedia, the free encyclopedia 