Web Proxy Servers: Web Proxy Servers are those Proxy servers which only serves the HTTP traffic. These are mostly used in Schools, organizations and corporate world to block websites on the base of URLs. All the proxy websites which we used to access some other websites in order to hide out IP address are called web proxy servers.But Web Proxies are some thing wider than we think. It can be the combination of some other type of proxy servers. A web proxy can also do the job of a cache proxy server to cache the recently requested pages to serve those pages next time from the cache.
Transparent Proxy: These are the simpler type of proxy servers which keeps every thing transparent identifies itself as a proxy server . It reveals the IP address of the Proxy server and the IP address of the client who is using the proxy. These proxies are used to get around the simple IP ban but it do not provide the anonymity.
Anonymous Proxy: These type of Proxy servers identifies itself as a proxy server and reveals the ip only of the the server. This hides the IP of the client who is using the server. This type of proxy server is detectable, but provides reasonable anonymity for most users.
Elite Proxy: These are the most advanced proxy servers which do not identifies iself as a proxy server. So it is hard to detece whether the request is coming from the proxy server of coming from the original users. It provides an advance level of anonymity. These servers are usually paid and available only after paying. Hackers used this type of proxy servers for high profile hacking. These are also called High Anonymity Proxy servers