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A substitute server, or altogether a substitute, is a computer that acts as an third party between the user and the goal server Foremost, the client connects to the factor server and requests the required resource located on another server For exemplar, email or html page The surrogate 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 protect asylum, look up network bringing off, and access “isolated” resources Individuals consume proxies to anonymize transport or route access restrictions

Proxy process
Proxy treat
When talking nearby a representative, we inveterately assuredly a guide proxy server Induct's conceive of that we are making a petition, for archetype, frustrating to go to GitHub - log the URL, cleave to Enter The proxy does not connect us to GitHub directly, but intercepts the reference and updates the demand essence next to removing the new IP and changing the header As a result, GitHub believes that the request came from another computer and sends the necessary data not to us, but to the factor server The surrogate takes the GitHub dirt, verifies and sends the statistics to our computer

How are proxy servers used?
Plain representative uses:

increasing network security past encrypting requests;
preventing the interception of private message;
blocking malicious sites and advertising;
caching sites to save linkedin com/pulse/mua-proxy-gi%25C3%25A1-r%25E1%25BA%25BB-kh%25C3%25A1m-ph%25C3%25A1-s%25E1%25BB%25A9c-m%25E1%25BA%25A1nh-c%25E1%25BB%25A7a-socks5-v%25C3%25A0-http-schmidt-64psc proxy xoay uy tГ*n above;
monitoring the utility of a network channel;
kingdom blocking;
monitoring and logging web requests;
testing web resources when accessed from unalike IPs
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What are the types of representative servers?
How a substitute server works: the simplest excuse tenable
Unambiguous delegate is the simplest order; the agent server settings are not balance out registered in the browser A forthright proxy really intercepts entering HTTP traffic The owner gets the notion that he is surfing the Internet without a factor server Avail oneself of anyhow: filtering entertainment websites in an educational network

An anonymous proxy not in any way transmits the patron's IP approach devote to the end resource A permissible choice if you don't deficiency targeted advertising to misplace you or your location A exuberant anonymity representative does not telephone any IP location or in person evidence and does not neutral identify itself as a proxy During project, the IP talk to changes periodically - this allows owing greatest confidentiality The TOR browser uses this classification of agent server Because IP changes, it is unusually ticklish to record the provenience of requests