Curl-url-file-3a-2f-2f-2f

This prevents file:// from ever being honored.

The suffix 3A-2F-2F-2F is hexadecimal encoding. In ASCII: %3A = : (Colon) %2F = / (Forward Slash) Result: file:/// curl-url-file-3A-2F-2F-2F

In PHP:

If you are a developer or system administrator, the presence of curl-url-file-3A-2F-2F-2F in your environment demands action. This prevents file:// from ever being honored

If you encountered url-file-3A-2F-2F-2F inside a log, config, or API response – it’s almost certainly an URI. Decode it before passing to curl . curl-url-file-3A-2F-2F-2F