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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

208
Already Reported
206
Partial Content
412
Precondition Failed
400
Bad Request
300
Multiple Choices
407
Proxy Authentication Required
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