Maybe SERVER caches the file (if the log shows that request is really triggered every minute. Further refinement: Go even lower: How do I Create an HTTP Request Manually in . This is pure sockets, and if the problem still persists, then open a new question and tag it WTF :) Never satisfies a request by using resources from the cache and does not cache resources.If the resource is present in the local cache, it is removed.In some scenarios, network debugging software can cause this issue.To make sure your url is not cached, you can append a random number as last parameter to make url unique.In one time my own router was caching the file, odd I know, but it was the case, whenever I rebooted it or connected directly to the Internet my caching problem went away.And no there wasn't any other device connected to the router that can be blamed, only the computer and router.So i would like to know how can disable the caching system of the UPDATE in face of recent activity () The answer marked as accepted solved my issue.To put it simple, I used Sockets to download the file and that solved my issue.
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This policy level indicates to intermediate caches that they should remove the resource.
In the HTTP caching protocol, this is achieved using the no-cache cache control directive.
Either way if you're sure, then in that case I advise to check weather your request goes through some other device with caching capabilities (computers, routers, proxies, ...) until it gets to the intended destination.
Consider that most requests go through some of such devices mentioned before, more commonly routers, unless of course, you are directly connected to the Internet via your service provider network.