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HTTP Status Code
511 - Network Authentication Required

5xx Server errors

The HTTP Status Code 511 means that client needs to authenticate to gain network access.

Status code 511 is intended to be used by by intercepting proxies used to control access to the network.

Additional Links and Codes Related to Status Code 511
405 - Method Not Allowed
205 - Reset Content
206 - Partial Content
428 - Precondition Required
← View all HTTP Status Codes

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