What is proxy server ? Proxy server is an intermediary server between client and the interner. Proxy servers offers the following basic functionalities: Firewall and network data filtering. Network connection sharing Data caching Proxy servers allow to hide, conceal and make your network id anonymous by hiding your IP address. Purpose of Proxy Servers Following are the reasons to use proxy servers: Monitoring and Filtering Improving performance Translation Accessing services anonymously Security Monitoring and Filtering Proxy servers allow us to do several kind of filtering such as: Content Filtering Filttering encrypted data Bypass filters Logging and eavasdropping Improving performance It fasten the service by process of retrieving content from the cache which was saved when previous request was made by the client. Transalation It helps to customize the source site for local users by excluding source content or substituting source content with origi