HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
Proxy-Authenticate: Basic realm=""

HTTP/1.1 407 Proxy Authentication Required
proxy-authenticate: basic