SSL Protocol Error

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I have a hosting and its not opening on some of the networks as it displays (ERR_SSL_PROTOCOL_ERROR). It happens randomly sometimes with some networks. It's working perfectly fine otherwise while using same devices with different networks.

The hosting data is stored on s3 bucket (non public) with Cloudfront CDN connecting to Route53.

4 Answers
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If the issue clearly varies by network, is there something special about the networks where you're getting the error? For example, could they be behind a firewall that tries to terminate and decrypt TLS connections to inspect the traffic?

Another thing that might vary by network and directly affect TLS processing is time synchronisation. If your mobile device synchronises its clock via the mobile network or your laptop synchronises its time against a corporate NTP server, as examples, then switching to an operator or enterprise network distributing the wrong time might interfere with the security features of TLS, and the issue would be fixed when switching to a network with NTP servers on accurate time. You could try disabling time synchronisation on your device temporarily to verify if this is a factor.

Is your TLS certificate issued by AWS Certificate Manager (ACM), or did you obtain the certificate elsewhere and import it into ACM?

EXPERT
Leo K
answered 5 days ago
  • I have the certificate issued in itself the AWS Certificate Manager. And It's occurring on some networks (on any device). And I have checked it works perfectly well sometimes and when i reload it just throws an SSL Protocol Error randomly for sometime even after trying n number of reloads it doesn't go off and after a while it's working again. On the other hand on some networks it just doesn't throw any errors at all. Not even once.

  • Are the networks where the error appears corporate networks or visitor networks of some company, café, hotel, airport, or similar? Or are they regular mobile networks of telephone operators, or your home internet line?

  • Actually it's occurring in 2 home network providers. Sometimes it works and sometimes it throws (ERR_SSL_PROTOCOL_ERROR). And also my website is also not visible to google Ad's at all for verification. I have been stuck on the ssl error issue for the past 4 days and i have been trying day and night just to fix this.

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If I understood right, you're using a Route 53 hosted zone for DNS resolution. I suggest you first check that all four DNS name servers shown in the "hosted zone details" are configured as the name servers for your domain, and that no other DNS servers are specified. Then check how the name of your site is configured to point to the CloudFront distribution in your Route 53 hosted zone; have you configured a CNAME record, or an A alias record, or both A and AAAA alias records, or is the name pointed at specific IP addresses, or something else?

EXPERT
Leo K
answered 4 days ago
  • Yes you understood it right. I checked it and all the DNS name servers are correctly defined for my domain. And I'm still facing the same issues. And for the records I have posted the image of my Route53 hosted zone.

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Route53 Records

Kanishk
answered 4 days ago
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What's the top-level domain name; is it .com or something else?

EXPERT
Leo K
answered 3 days ago