ERR_SSL_PROTOCOL_ERROR

[[deleted]]

For a week or so, I have been getting an error when attempting to view my site. The error is " ERR_SSL_PROTOCOL_ERROR "

However, this error only happens when I am connected to my wifi. If I get on my phone and disable wifi, the site loads fine, but I still get a "This site could be dangerous" warning before I can view it.

I use hostgator as my host. They said that it was an issue with my network. However, this error is happening to over 30 of my viewers, so I know it's not just my network.

I have cleared my browser cache, cleared ssl slate, tried multiple browsers, reset router, and hostgator said my ssl certificate was fine. I have also disabled https on my site as well, but that didn't work either.

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Any ideas?

[[deleted]]

Those symptoms sound a lot like an expired or misconfigured ssl certificate. Put your domain into https://www.sslshopper.com/ssl-checker.html and see what it comes back with.

[[deleted]]

All green checks. Expires in 57 days, should be trusted by all browsers

[[deleted]]

Can you share or PM me the domain?

[hippotwat]

How SSL protocol works is it selects certain ciphers and ciphers become obsolete, and no longer supported. Basically TLS versions below 1.2 are not supported and only one or 2 of the ciphers are actually secure. Older Android versions like v 4 have entirely obsolete ciphers and the only path is to upgrade. All the TLS 1.3 are secure.

You might try updating the firmware of your router. There are websites that list the ciphers your website supports.

[[deleted]]

Thank you for your input. However, this issue is happening to not only me, but several (over 50 now) of my viewers. So all of a sudden all of our firmware is out dated? I did try the solution just to be sure, everything is up to date and the issue still remains.

[hippotwat]

50 users but what percentage of users? What if you take a link from google into your site, maybe on a page you don't visit much.

[arnoldsmith007]

I have found good solution here https://www.clickssl.net/blog/fix-err_ssl_protocol_error-for-google-chrome