A proxy server refers to a communication gateway in a network that acts as a mediator between two computer systems. The basic task of proxy servers is to accept client requests on servers and forward them to a target computer, using their own IP address. With this type of communication there is no direct connection between sender and receiver. Sometimes the requesting system and the target computer have no idea that they are dealing with a proxy. If the target system e. There are several reasons for using proxy servers. It might not be possible due to incompatible IP addresses , for example, because one uses an IPv4 component and the other uses the new IPv6 standard. Data that takes a detour through the proxy is also filtered, cached , and distributed through load balancing onto different target systems. Additionally, a proxy is a central component of firewalls that protect computer systems against attacks from the public network. They refer to the technical implementation of the network components as well as applied differences.
What types of proxy server are there?
Application areas of a proxy server
Reverse Hosting, also called virtual hosting, is an extension to reverse proxying that is supported by Microsoft Proxy Server. Using reverse hosting, the proxy server simulates virtual roots on a Web server and redirects requests for a particular domain and root combination to a single Web server. Reverse proxying works as an application layer proxy service and supports HTTP only. A reverse proxy is a server that sits in front of one or more web servers, intercepting requests from clients. This is different from a forward proxy, where the proxy sits in front of the clients. With a reverse proxy, when clients send requests to the origin server of a website, those requests are intercepted at the network edge by the reverse proxy server.
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