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5xx Server errors
Last updated May 17, 2023

511 - Network Authentication Required

Benjamin Bouchet
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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

431
Request Header Fields Too Large
307
Temporary Redirect
413
Payload Too Large
410
Gone
408
Request Timeout
400
Bad Request
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