Script plug-in link

Hello Are you okay?
I have a plugin that sends packages, we need to access the link: https://whitecloudbrasil.com/wp-content/plugins/loja5-woo-sigep/sro.php?objeto=TE163978453BR
How can I release it on the firewall?
Because when we access with firewall on, it stays in white.

The page I need help with: [log in to see the link]