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I have configured a SSL certificate in azure, this is how the configuration pages look.

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But when I navigate to the site I get an 'your connection is not secure' error, looks like no certificate exists.

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An Chrome on the other hand it looks invalid

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  • Do you use a self-signed certificate? – Nancy Xiong Aug 23 '18 at 5:33
  • no, it's a let's encrypt certificate letsencrypt.org – Calin Aug 23 '18 at 6:01
  • Can you change to the TLS 1.2. Your app allows TLS 1.0 by default, which is no longer considered secure by industry standards, such as PCI DSS. refer – Nancy Xiong Aug 23 '18 at 6:05
  • I suggest going through this link. – Nancy Xiong Aug 23 '18 at 6:11
  • @NancyXiong-MSFT tls 1.2 did not solve the issue – Calin Aug 23 '18 at 6:30
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You can verify if you have added binding with your custom hostname which should map your SSL certificate DNS name in your Azure Web app service.

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Tutorial: Map an existing custom DNS name to Azure Web Apps

  • Is this helpful? – Nancy Xiong Aug 23 '18 at 9:50
  • No, this is not helpfull, I already verified this and it shows as binded. Thank for the quick reply. – Calin Aug 23 '18 at 11:03
  • Does the hostname as binded match the CN name of your certificate? – Nancy Xiong Aug 23 '18 at 14:24
  • Yes it does, I gave up and purchased a certificate for the portal and that worked as expected. – Calin Aug 23 '18 at 16:14
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This isn't an Azure issue, its a fault with your cert. Your certificate shows as using the "Fake LE Intermediate X1" intermediate cert. This is usually down to using the let's encrypt test/staging service which does not issue valid trusted certs. Make sure whatever process you are using to generate the cert is using the production LE servers.

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I've ended up purchasing a new certificate from azure and gave up on trying to integrate let's encrypt.

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