407 Proxy Authentication Required
Explanation:
The 407 Proxy Authentication Required status code is similar to 401 Unauthorized, but it indicates that the client must first authenticate itself with the proxy.
Usage:
This status code should be used when the client must first authenticate itself with the proxy.
Attentions:
- The server should include information about the proxy in the response message if possible.
- The response should include a message body with information about the proxy.
Sample:
undefined