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  • Lêste antwurd fan cor-el

Nouman Nazim
Nouman Nazim
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A user of my website i.e. pricetoday.com.pk recently reported that he is getting following error:-

“ "Firefox detected a potential security threat and did not continue to pricetoday.com.pk because this website requires a secure connection."”

What could be the issue as I am using a valid SSL Certificate?

A user of my website i.e. [https://pricetoday.com.pk pricetoday.com.pk] recently reported that he is getting following error:- “ "Firefox detected a potential security threat and did not continue to pricetoday.com.pk because this website requires a secure connection."” What could be the issue as I am using a valid SSL Certificate?

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cor-el
cor-el
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I see a certificate for CN=example.com and this certificate is self-signed. Firefox also reports that the pricetoday.com.pk website is on the HSTS preload list and that is causing additional problems.

Nouman Nazim
Nouman Nazim Fraacheigener
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But it's working fine on my end. The certificate is issued by Amazon. I have scanned the website on DigiCert as well which shows that the certificate is totally fine and linked. Attaching relevant screenshots here. What could be the issue?

cor-el
cor-el
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OK, I tested it following results shown by Qualys and disabled IPv6 and that makes it work properly and shows the Amazon certificate. 

2406:da1a:527:e000:5864:952d:d5b2:90bd
Certificate not valid for domain name

Disabling this by setting IPv6 network.dns.disableIPv6 = true makes it work properly for me, so you need to check the DNS response for IPv6.

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