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A substitute server, or altogether a proxy, is a computer that acts as an intermediary between the consumer and the quarry server. Foremost, the patient connects to the representative server and requests the required resource located on another server. On prototype, email or html page. The substitute then either connects to the specified server and obtains the resource from it, or returns the resource from its own cache.

Companies permit proxies to guarantee security, improve network bringing off, and access “remote” resources. Individuals profit by proxies to anonymize transport or route access restrictions.

Delegate take care of
Factor process
When talking more a factor, we regularly assuredly a direct agent server. Induct's imagine that we are making a request, for prototype, fatiguing to decamp a return to to GitHub - enter the URL, smooth Enter. The substitute does not connect us to GitHub directly, but intercepts the reference and updates the request content next to removing the new IP and changing the header. As a come about, GitHub believes that the entreat came from another computer and sends the certain matter not to us, but to the factor server. The surrogate takes the GitHub information, verifies and sends the statistics to our computer.

How are proxy servers used?
Stock proxy uses:

increasing network protection by encrypting requests;
preventing the interception of confidential message;
blocking malicious sites and advertising;
caching sites to save mua proxy tĩnh ở đâu above;
monitoring the drink of a network path;
domain blocking;
monitoring and logging интернет requests;
testing web resources when accessed from unusual IPs.
You can suggest your options in the comments to the publication.

What are the types of representative servers?
How a substitute server works: the simplest reason admissible
See-through delegate is the simplest group; the agent server settings are not even registered in the browser. A crystal clear factor really intercepts entering HTTP traffic. The user gets the notion that he is surfing the Internet without a proxy server. Use case: filtering production websites in an eerie network.

An anonymous proxy not in any way transmits the patron's IP location to the aim resource. A goodness chance if you don't want targeted advertising to chase you or your location. A high anonymity representative does not cable any IP oration or particular statistics and does not equalize recognize itself as a proxy. During operation, the IP talk to changes periodically - this allows on greatest confidentiality. The TOR browser uses this classification of proxy server. Because IP changes, it is outrageously obstructive to trace the outset of requests.