> HTTP 401 Unauthorized: What It Means and How to Fix It
[AUTHOR: Sucuri]
[DATE: 20/10/2026 18:00]
[LANGUAGE: EN]
You load your site, or visit an API endpoint your app relies upon, and instead of a page you find a brief, unhelpful message: 401 Unauthorized. Sometimes a browser password box appears. Other times, a blank white page presents only that number. In either case, visitors are shut out, and if the error strikes your admin area, even you are left at the threshold.
The good news is that a 401 is one of the more honest HTTP responses.
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