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However headers contains information specific to the proxy server.
#Scrapebox trial free#
Free proxies are divided into 3 classes of anonymity: anonymous, elite, transparent.Īnonymous proxy does not transmit in the headers anything, which regards to the user's IP-address. In this case the proxy sends a remote resource some defined headers, the set and values of which determine the degree of anonymity of the proxy server. Thus, requests for remote Internet resources come not from the IP-address of the client (user), but from the proxy IP-address. Then, the proxy server receives data from the requested site and transmits it to the client. In other words, if a proxy server is used, any request to the web site first comes to the proxy, and then it transmits this request further to its destination. Proxy server is a computer that acts as an intermediary for data exchange between the user and Internet resources. Free proxies are usually public proxies or errors of system administrators who do not bother to change the default settings or set a password.