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Last updated Nov 19, 2024

What is HTTP Status Code 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 What is HTTP Status Code 511?

305
Use Proxy
103
Early Hints
413
Payload Too Large
431
Request Header Fields Too Large
428
Precondition Required
407
Proxy Authentication Required
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