| ERROR | Automatic Proxy Redirection Msut Be Explicitly Acknowledged |
| CAUSE | Let user agent client be aware of proxy redirection USER_AGENT_ERROR |
| ACTION | The user agent takes proper actions |
| ERROR | Automatic Proxy Redirection Msut Be Explicitly Acknowledged |
| CAUSE | Let user agent client be aware of proxy redirection USER_AGENT_ERROR |
| ACTION | The user agent takes proper actions |