Solution to the problem of being unable to log in to the WHMCS backend after applying CDN acceleration using WHMCS

Recently, I was helping a client with the WHMCS financial system. The client requested a CDN for the security of the entire platform system, so I used a paid CDN to accelerate it, and the effect was quite good.

But here comes the problem. After the CDN is installed on the entire site, no matter whether it is the front or backend, you cannot log in or you can log in unlimitedly. Later, you can just modify the configuration.php file directly, which is still simple.

Modify the configuration.php file

$_SERVER[‘REMOTE_ADDR’] = $_SERVER[‘HTTP_X_FORWARDED_FOR’]; // Get the real IP list($_SERVER['REMOTE_ADDR']) = explode(', ', $_SERVER['REMOTE_ADDR'], 2); // Possibly through multiple proxies, the first one is realip address $_SERVER[‘HTTP_X_FORWARDED_FOR’] = $_SERVER[‘REMOTE_ADDR’]; // Add to WHMCS IP variable

Perfect solution after modification!

This article is reprinted to loc.

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