Is the $_SERVER['REMOTE_ADDR'] php var based off of the users TCP/IP?

StackOverflow https://stackoverflow.com/questions/22297625

  •  12-06-2023
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Question

Is it 100% guaranteed that the $_SERVER['REMOTE_ADDR'] variable is based off of the users TCP/IP and therefor is always reliable?

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Solution

Nope , there is no 100% guarantee. You will get a false positive address when user is behind a proxy internet address.

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