400 Bad Request
The plain HTTP request was sent to HTTPS port
I use cf flexible encryption mode, but when I access my site with http://, it sometimes request https://, it is OK. but sometimes it reports error
This is a config problem on your Nginx server. The same error page will come up if you completely bypass Cloudflare and any user directly accesses your site via https (some browsers will even forward http to https automatically).
Just google this: https://www.google.com//search?q=The+plain+HTTP+request+was+sent+to+HTTPS+port
Thank you.
I just find that I request the web site through a v2ray proxy. when I close the v2ray proxy. It is OK.
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