[GH-ISSUE #256] ERR_CERT_AUTHORITY #168

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opened 2026-02-25 22:32:46 +03:00 by kerem · 1 comment
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Originally created by @catur515 on GitHub (Apr 17, 2020).
Original GitHub issue: https://github.com/FiloSottile/mkcert/issues/256

I use nodejs on windows, when accessed from the desktop there are no problems.
image

But when accessed from android. "Your Connection is not Private" ERR_CERT_AUTHORITY_INVALID
image

Then I try to check at https://www.ssllabs.com/ssltest

the results are as follows:
image
image

Originally created by @catur515 on GitHub (Apr 17, 2020). Original GitHub issue: https://github.com/FiloSottile/mkcert/issues/256 I use nodejs on windows, when accessed from the desktop there are no problems. ![image](https://user-images.githubusercontent.com/22145610/79546807-38e61b00-80bd-11ea-8071-d105c0362ef5.png) But when accessed from android. "Your Connection is not Private" ERR_CERT_AUTHORITY_INVALID ![image](https://user-images.githubusercontent.com/22145610/79547001-84002e00-80bd-11ea-95ed-156301153e77.png) Then I try to check at https://www.ssllabs.com/ssltest the results are as follows: ![image](https://user-images.githubusercontent.com/22145610/79546359-80b87280-80bc-11ea-84d6-2e1809152823.png) ![image](https://user-images.githubusercontent.com/22145610/79546439-a5ace580-80bc-11ea-8dbc-010776dd4272.png)
kerem 2026-02-25 22:32:46 +03:00
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@FiloSottile commented on GitHub (Oct 25, 2020):

mkcert certificates are NOT production certificates, so they will never work with third-party clients like SSL Labs. For production certificates look at Let's Encrypt.

For mkcert to work, you need to install the root on the device. For Android devices, see https://github.com/FiloSottile/mkcert#mobile-devices

<!-- gh-comment-id:716200845 --> @FiloSottile commented on GitHub (Oct 25, 2020): mkcert certificates are NOT production certificates, so they will never work with third-party clients like SSL Labs. For production certificates look at Let's Encrypt. For mkcert to work, you need to install the root on the device. For Android devices, see https://github.com/FiloSottile/mkcert#mobile-devices
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starred/mkcert#168
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