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Asked: 2026-05-11T14:32:17+00:00

What is the most reliable way to prevent users from a geographic location to

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What is the most reliable way to prevent users from a geographic location to access a web available application?

I understand that IPs are related to geo positioning and I also understand that the most naive way is to get the HTTP request header IP address and take it from there.

It’s obvious that naive methods, like the one described are extremely easy to bypass, specially using Proxies or VPNs.

So the question is: is there a 100% reliable way of determining a web user geo location? If not, what are the available options and what are the pros and cons on each of them?

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  1. Nothing in TCP/IP includes location data (other than what you can infer from routing tables or look up in a database), and nothing indicates whether a machine is acting ‘on behalf of’ someone in another location.

    So as you say, proxies and VPN, SSH port-forwarding, TOR, etc, can completely prevent your web app from knowing the physical location of the human being who’s using your site. All you can look up, is the IP address of that last hop which is the TCP/IP connection and HTTP request you actually see.

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