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Proxy Anonymity Level

There are lots of proxy service provid high anonymous proxies or Elite Proxies. But many users really confuse about anonymous proxy and high anonymous proxy,Really don’t know what’s the Elite Proxies.So,this post will help you know more about Anonymity Level of proxy.

proxy | client - serverA proxy is a server (an application or a computer system) that acts as an intermediary for requests from clients seeking resources from other servers.

It’s via“client – server”model.A client connects to the proxy server,client sends a request (some service, such as a file,connection, web page, or other resource available from a different server).The proxy server evaluates the request as a way to simplify and control their complexity and a server sends a reply (required service).

For full understanding between a client and a server the client sends additional information about itself  and Information transmitted by a client to a server is available accessible for a server as environment variables, It’s include,

What information transmits to a web-server (by a browser or proxy server):

  • a name and a version of an operating system
  • a name and a version of a browser
  • configuration of a browser (display resolution, color depth, java / javascript support, etc.)
  • IP-address of a client (most important)
  • Other information

The environment variables,

REMOTE_ADDR – IP address of a client
HTTP_VIA – Value is an address (or several addresses) of a proxy server, this variable is added by a proxy server itself if you use one.
HTTP_X_FORWARDED_FOR – Value is a real IP address of a client (your IP), this variable is also added by a proxy server if you use one.
HTTP_ACCEPT_LANGUAGE – what language is used in browser
HTTP_USER_AGENT – “a user’s agent” that about yout browsers(name and version) and an operating system information.
HTTP_HOST – is a web server’s name

Anonymity at work in Internet is determined by what environment variables “hide” from a web-server.

Level 1– Elite Proxies/ high anonymous proxies

HTTP_VIA = not determined
HTTP_X_FORWARDED_FOR = not determined

Your proxy IP is used instead of your IP address.absolute anonymity. The server doesn’t know your real IP  address and it does not know that you’re using a proxy.

Level 2 — Anonymous Proxies

HTTP_VIA = proxy IP

This type of proxies hides your real IP address but the server may know that you’re connecting over a proxy because the proxy sends additional headers such as HTTP_VIA or HTTP_X_FORWARDED_FOR. In some cases, these headers may contain your real IP address and if that’s the case, then that proxy gets marked as transparent. If one of those proxy headers contain any other IP address that’s not yours, then the proxy will still be considered to be anonymous.

Level 3 — Transparent Proxies

HTTP_VIA = proxy IP

Also known as caching proxies, make no attempt at concealing your identity. The sole purpose of transparent proxies is to cache the data that is exchanged between the servers.The web server knows your real IP addresss and it knows that you’re using a proxy.

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