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A substitute server, or simply a proxy, is a computer that acts as an third party between the consumer and the quarry server. Key, the shopper connects to the proxy server and requests the required resource located on another server. On exempli gratia, email or html page. The proxy then either connects to the specified server and obtains the resource from it, or returns the resource from its own cache.

Companies privilege consumption proxies to make sure guarantee, look up network exhibition, and access “remote” resources. Individuals consume proxies to anonymize transport or avoid access restrictions.

Delegate take care of
Surrogate process
When talking about a proxy, we mainly positively b in any event a head up proxy server. Let's assume that we are making a demand, for example, trying to suitable for to GitHub - log the URL, impel Enter. The substitute does not connect us to GitHub directly, but intercepts the connection and updates the request contentment sooner than removing the arriving IP and changing the header. As a result, GitHub believes that the demand came from another computer and sends the of the utmost importance data not to us, but to the proxy server. The proxy takes the GitHub dirt, verifies and sends the evidence to our computer.

How are proxy servers used?
Stock proxy uses:

increasing network security at near encrypting requests;
preventing the interception of private message;
blocking malicious sites and advertising;
caching sites to protect proxy tĩnh uy tín traffic;
monitoring the exploit of a network canal;
kingdom blocking;
monitoring and logging интернет requests;
testing web resources when accessed from unalike IPs.
You can suggest your options in the comments to the publication.

What are the types of surrogate servers?
How a delegate server works: the simplest explanation possible
Unambiguous proxy is the simplest type; the delegate server settings are not stable registered in the browser. A forthright proxy simply intercepts entering HTTP traffic. The alcohol gets the atmosphere that he is surfing the Internet without a factor server. Avail oneself of anyhow: filtering divertissement websites in an eerie network.

An anonymous factor never transmits the client's IP approach devote to the aim resource. A good opportunity if you don't lack targeted advertising to chase you or your location. A excessive anonymity delegate does not transmit any IP address or in person statistics and does not equalize recognize itself as a proxy. During enterprise, the IP talk to changes periodically - this allows in compensation greatest confidentiality. The TOR browser uses this type of agent server. Because IP changes, it is unusually obstructive to copy the documentation of requests.