fuf-acl.vcl

// Disable ESI request from external
if (req.esi_level == 0 && req.url ~ "^/__esi__/") {
     return (synth(403, "Sorry, this content is not intented for you. Bye."));
}

// Disable nginx status page from external
if (req.url ~ "^/nginx_status") {
    return (synth(403, "Sorry, this content is not intended for you."));
}

// Production setting:
if (client.ip ~ badguys) {
    return (synth(403, "You are banned from this site.  Please contact via a different client configuration or call us if you believe that this is a mistake."));
}