HTTP/1.0 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm="proxy"
Connection: close
Content-type: text/html; charset=utf-8
<html><head><title>407 Proxy Authentication Required</title></head>
<body><h2>407 Proxy Authentication Required</h2><h3>Access to requested resource disallowed by administrator or you need valid username/password to use this resource</h3></body></html>
