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I am currently detecting the user's IPv4 address and using IP blocks with the v4. However I want to capture the IPv6 and have block lists for this too, so the question is: Is it the same logic to get IPv6 as IPv4 or something different in PHP? I am just not sure if every device has a IPv4 and IPv6 or is it either one of these and the system will auto detect what format it is and store it?
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“get ipv6 address php” Code Answer's The simplest way to collect the Client/Visitor IP address using PHP is the REMOTE_ADDR. Pass the 'REMOTE_ADDR' in PHP $_SERVER variable. It will return the IP address of the visitor who is currently viewing the webpage. I Hope it will help you.
Check connection statusFor wired connection through a router, right-click “Ethernet”, and for wireless connection right-click “Wi-Fi”, and then click “Status”. Click “Details”. If you see an IP address for IPv6 within the window marked with a red box, you are connected to the IPv6 network.
By using I-P. show, you can check whether you are: On an IPv4 supported device here: https://v4.i-p.show. On an IPv6 supported device here: https://v6.i-p.show.
Apache reports the REMOTE_ADDR to PHP. If Apache listens on a v6 interface it is going to be the v6 address.
It is easy to differenciate. IPv4 addresses will always have a fullstop . character and IPv6 addresses will always contain a colon :.
When creating blocklists (or whitelists) you should be careful handling the v6 addresses. They can be shortened by using two consecutive colons ::. There is no guarantee that your OS will use the shorter or the full form, so your script must handle that. Check Wikipedia's IPv6 page for details.
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