Error 1000 by Cloudflare?

My static file proxy p.rst.im got an error sometime, saying: Error 1000 DNS points to prohibited IP I tried to tcpdump on port 80

And I found some header added by cloudflare:

Cloudflare might treat it infinitely loop, so I remove these headers on nginx:

Now, what caused it: Here is how … Continue reading “Error 1000 by Cloudflare?”