The title of this post is my commit message. It’s a short one, but I believe crucial to share, as I just spent roughly speaking 4 hours attempting to debug this issue, and with any further attempt I failed even worse.

Long story short, I attempted to modify response headers of my reverse proxy server. It appeared to be just fine initially — a successful (200) response, with a full set of headers, but the reality hit me pretty quickly, after seeing a bunch of CORS errors on 401’s. The headers were just there, in the config file — I…

Patryk Cieszkowski

Software Engineer. Email me at

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