💾 Archived View for ja.ckdaw.net › post › 403-errors-fixed captured on 2024-12-17 at 09:36:45. Gemini links have been rewritten to link to archived content
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It turned out my random 403 errors yesterday were caused by an incorrect KeyCDN configuration. The problem was the Block Referrer setting that was causing problems with Twitters `t.co` short URL's.
KeyCDN Block Referrer Settings
Twitter automatically shortens URL's using `t.co` domain, and on redirect to the original URL Twitter adds `t.co` as the referer header. This will cause KeyCDN to return a 403 Forbidden error if your Block Referrer settings are incorrect.
June 23, 2022
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