HTTP status code 407 indicates that the client did not provide the correct authentication information when attempting to send a request through a proxy server, or did not provide any authentication information at all. This means the proxy server requires the client to authenticate, but the client has failed to meet this requirement.
Common Solutions for 407 Error
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Check Proxy Settings: Ensure that the proxy server’s address, port, and authentication information (such as username and password) are correctly configured on the client.
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Provide Correct Authentication Information: If the proxy server requires authentication, make sure that the username and password provided are correct.
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Verify Proxy Account Validity: Confirm that the proxy account or password has not expired, and that the IP address has not changed, as this may render previous authentication information invalid.
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Contact Proxy Service Provider: If the issue persists, it is advisable to contact the proxy service provider for technical support and solutions.
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Check Code Configuration: If correct authentication information is provided but the problem continues, inspect the code to ensure the authentication method is configured correctly.
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Reduce Concurrent Requests: If the client sends a large number of concurrent requests in a short time, the proxy server may refuse some requests due to high load.
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Check Network Settings: Ensure that firewalls or routers are not blocking connections to the proxy server.
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Use Scripts or Tools for Authentication: If you are a developer, consider writing scripts to automate proxy authentication handling.
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Disable Proxy: If it is determined that a proxy server is not needed, disable the proxy settings in the browser or other client applications.
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Check Browser or Application Settings: Ensure that proxy settings are configured correctly, especially when accessing network resources through a proxy server.
By following these steps, the 407 Proxy Authentication Required error can usually be resolved. If the issue continues to exist, further technical support may be necessary to diagnose and resolve the problem.
Related 4xx error code
- 400 Bad Request
- 401 Unauthorized
- 402 Payment Required
- 403 Forbidden
- 404 Not Found
- 405 Method Not Allowed
- 406 Not Acceptable
- 408 Request Timeout
- 409 Conflict
- 410 Gone
- 411 Length Required
- 412 Precondition Failed
- 413 Payload Too Large
- 414 URI Too Long
- 415 Unsupported Media Type
- 416 Range Not Satisfiable
- 417 Expectation Failed
- 418 I’m a teapot
- 421 Misdirected Request
- 422 Unprocessable Entity (WebDAV)
- 423 Locked (WebDAV)
- 424 Failed Dependency (WebDAV)
- 425 Too Early
- 426 Upgrade Required
- 428 Precondition Required
- 429 Too Many Requests
- 431 Request Header Fields Too Large
- 451 Unavailable For Legal Reasons
- 499 Client Closed Request