They send a request to the web server that shows as coming directly from the user. As its name suggests, transparent proxies do not conceal any identifying information about the user. Transparent Proxy Server (Level 3)Ī transparent proxy is the opposite of an anonymous proxy. TOR helps remove visibility over Internet activity by encrypting, decrypting, and re-encrypting web requests many times before they reach the destination server - a process known as ‘onion routing'.Īn anonymous proxy is the opposite of a transparent proxy. TOR (The Onion Router) is a free, open-source web browser that routes users' internet traffic through a network of volunteer servers to provide anonymity. They can be used to hide geographical location, avoid targeted marketing, or access sites that are censored in the user's actual location. Anonymous proxies identify as proxies in web server requests.Īnonymous proxies are one of the most commonly used proxies. The proxy server ‘distorts' its own IP address by changing its geolocation to the web server. Anonymous Proxy Server (Level 2)Īn anonymous proxy (also called a distorting proxy) conceals a user's real IP address when they visit a website. These proxies routinely change IP addresses when making requests to web servers, allowing a high level of privacy. They conceal the user's IP address and do not identify themselves as proxies to web servers (unlike anonymous proxies). High anonymity proxies offer the most security to a user. Anonymous Proxy Servers High Anonymity Proxy Server (Level 1) If the proxy denies the user's request, it sends the user an error or redirect message.ģ. If the requested information is cached, the proxy will send it directly to the user. The proxy stores cached information itself, eliminating the need to request it from the server. The proxy then sends this response back to the user.Ī forward proxy will first check if the user's requested information is cached before retrieving it from the server. The web server sends its response to the proxy.
If the proxy allows the user's request, it forwards it to the web server through the firewall. Forward Proxy ServerĪ forward proxy (commonly known as a ‘proxy') is a type of proxy server that typically passes requests from users in an internal network to the Internet via a firewall.įorward proxies are configured to either ‘allow' or ‘deny' the user's request to pass through the firewall to access content on the Internet. There are many different types of proxy servers, categorized by traffic flow, anonymity level, application, service, IPs, and accessibility.īelow is a classification of some of the different types of proxy servers f 1.
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