A proxy server, or simply a surrogate, is a computer that acts as an intermediary between the purchaser and the object server. Foremost, the shopper connects to the factor server and requests the required resource located on another server. As a remedy for exempli gratia, 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 from proxies to protect asylum, look up network bringing off, and access “isolated” resources. Individuals use proxies to anonymize see trade or bypass access restrictions.
Substitute process
Proxy operation
When talking nearby a proxy, we regularly mean a guide agent server. Betray's imagine that we are making a petition, representing example, frustrating to suitable for to GitHub - document the URL, impel Enter. The surrogate does not join us to GitHub directly, but intercepts the reference and updates the solicit content next to removing the entering IP and changing the header. As a come about, GitHub believes that the apply for came from another computer and sends the of the utmost importance data not to us, but to the proxy server. The factor takes the GitHub information, verifies and sends the figures to our computer.
How are representative servers used?
Tired proxy uses:
increasing network security past encrypting requests;
preventing the interception of confidential information;
blocking malicious sites and advertising;
caching sites to redeem
proxy xoay uy tГn movement;
monitoring the drink of a network canal;
lands blocking;
monitoring and logging интернет requests;
testing web resources when accessed from disparate IPs.
You can urge your options in the comments to the publication.
What are the types of substitute servers?
How a representative server works: the simplest excuse possible
Transparent representative is the simplest classification; the surrogate server settings are not balance out registered in the browser. A forthright representative plainly intercepts new HTTP traffic. The user gets the notion that he is surfing the Internet without a representative server. Use anyway a lest: filtering divertissement websites in an educational network.
An anonymous proxy never transmits the patient's IP direct to the target resource. A goodness opportunity if you don't deficiency targeted advertising to track you or your location. A excessive anonymity representative does not telephone any IP lecture or particular evidence and does not even categorize itself as a proxy. During operation, the IP talk to changes periodically - this allows for maximum confidentiality. The TOR browser uses this classification of factor server. Because IP changes, it is unusually ticklish to copy the provenience of requests.
