See the status code yourself
curl -sS -o /dev/null -w '%{http_code}\n' https://example.com/pathAdd -v to see the full request and response headers.
HTTP 520 Unknown Error (Cloudflare)
Cloudflare-specific: the origin returned an empty or unexpected response.
🔒 Runs locally — your input never leaves this browser tab
- Code
520- Name
- Unknown Error (Cloudflare)
- Category
- 5xx — Server error
How to fix / what to check
Check origin server logs. Often a crash, reset connection or headers that are too large.