I’m using AlibabaCloud CDN. Does anyone have this problem when using CDN like me?
Junk traffic is pretty common. Looks like a few IP addresses trying repeat requests with no SNI. Shouldn’t be too much of a problem unless they’re flooding you with enough traffic to consume a lot of resources, in which case you could look into fail2ban or rate limiting.
You may have misunderstood me. I mean that my CDN settings do not work. I visited my own website - > CDN - > my website - > and made the above tls error. @Whitestrake
You need to ensure your CDN is sending the hostname via SNI. I’m not sure how that’s done on AlibabaCloud.
Bingo, it’s the SNI issue. Thank you.
You can also specify the -default-sni CLI flag to allow connections without SNI, if you need a “default” certificate.
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