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Certificate is not valid #271

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opened 2026-02-25 22:33:00 +03:00 by kerem · 8 comments

kerem commented

2026-02-25 22:33:00 +03:00

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Originally created by @susanBuck on GitHub (Nov 1, 2021).
Original GitHub issue: https://github.com/FiloSottile/mkcert/issues/412

System

Mac BigSur 11.2.1
Chrome 95.0.4638.69 (Latest version as of this writing)

Issue

I'm seeing the "Not Secure" flag in Chrome and a message that "Certificate is not valid"

When I click the more info icon for the "Certificate is not valid" message, it shows the following with no further indication as to what the problem might be.

Steps I followed to set up

Created a new certificate w/ mkcert
Added it to Mac's Keychain Access and made sure it was set to "Always Trust"
Configured my Apache server to use the certificate/key for the site in question.

Originally created by @susanBuck on GitHub (Nov 1, 2021). Original GitHub issue: https://github.com/FiloSottile/mkcert/issues/412 ## System Mac BigSur 11.2.1 Chrome 95.0.4638.69 (Latest version as of this writing) ## Issue I'm seeing the "Not Secure" flag in Chrome and a message that "Certificate is not valid" ![image](https://user-images.githubusercontent.com/237711/139718253-a7fe80c8-57d6-4e5c-afcb-d2c89162c994.png) When I click the more info icon for the "Certificate is not valid" message, it shows the following with no further indication as to what the problem might be. ![image](https://user-images.githubusercontent.com/237711/139717916-c267a97d-05c2-4711-8c15-dc6449358df7.png) ## Steps I followed to set up 1. Created a new certificate w/ mkcert 2. Added it to Mac's Keychain Access and made sure it was set to "Always Trust" 3. Configured my Apache server to use the certificate/key for the site in question.

kerem closed this issue

2026-02-25 22:33:00 +03:00

kerem commented

2026-02-25 22:33:00 +03:00

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@Mihir-Bhasin commented on GitHub (Nov 10, 2021):

I am getting the same issue in chrome.

@Mihir-Bhasin commented on GitHub (Nov 10, 2021): I am getting the same issue in chrome.

kerem commented

2026-02-25 22:33:00 +03:00

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@bilalbayasut commented on GitHub (Nov 22, 2021):

I'm getting the same issue in any browser

@bilalbayasut commented on GitHub (Nov 22, 2021): I'm getting the same issue in any browser

kerem commented

2026-02-25 22:33:00 +03:00

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@bilalbayasut commented on GitHub (Nov 23, 2021):

@susanBuck have you got it working? Any solution for this guys ?

@bilalbayasut commented on GitHub (Nov 23, 2021): @susanBuck have you got it working? Any solution for this guys ?

kerem commented

2026-02-25 22:33:00 +03:00

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@bilalbayasut commented on GitHub (Nov 23, 2021):

I solve this issue with manually importing the certs into chrome/safari : https://www.keokukschools.org/certificate-safari-chrome/ .
if you got error when importing the certs, ignore it. once you are done with the steps above, restart your mac, and it should work

@bilalbayasut commented on GitHub (Nov 23, 2021): I solve this issue with manually importing the certs into chrome/safari : https://www.keokukschools.org/certificate-safari-chrome/ . if you got error when importing the certs, ignore it. once you are done with the steps above, restart your mac, and it should work

kerem commented

2026-02-25 22:33:00 +03:00

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@andreasvirkus commented on GitHub (Jan 11, 2022):

I had to call mkcert -install first and then call mkcert localhost. This SO answer helped me solve it https://stackoverflow.com/a/57226788/2803743

@andreasvirkus commented on GitHub (Jan 11, 2022): I had to call `mkcert -install` first and then call `mkcert localhost`. This SO answer helped me solve it https://stackoverflow.com/a/57226788/2803743

kerem commented

2026-02-25 22:33:00 +03:00

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@rpuig commented on GitHub (Apr 4, 2022):

I have a similar issue. When I installed it in windows 10, then i checked the certificate validity dates and it is as if it was creted with wrong dates . 11/11/2009 to 09/11/2019. But i have created it today and today is 04/04/2022 . Anyone knows why this is happening?

@rpuig commented on GitHub (Apr 4, 2022): I have a similar issue. When I installed it in windows 10, then i checked the certificate validity dates and it is as if it was creted with wrong dates . 11/11/2009 to 09/11/2019. But i have created it today and today is 04/04/2022 . Anyone knows why this is happening?

kerem commented

2026-02-25 22:33:00 +03:00

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@skuppuraj commented on GitHub (Apr 8, 2022):

I am also using macOS Big Sur (11.6.5) and Apache Server with the virtual host.

I am sharing the steps I followed and installed successfully. Check if it works for you.

My local site name: example.test

I created the directory crt in the document root of the directory

Then I installed the certificate for example.test site

mkcert example.test

Then I configured the virtual host to load the certificate.

Listen 443

<VirtualHost *:443>
    DocumentRoot "/Users/[username]/Sites/example"
    ServerName example.test
    SSLCertificateFile "/Users/[username]/Sites/crt/example.test.pem"
    SSLCertificateKeyFile "/Users/[username]/Sites/crt/example.test-key.pem"
    VirtualDocumentRoot /Users/[username]/Sites/example
</VirtualHost>

@skuppuraj commented on GitHub (Apr 8, 2022): I am also using macOS Big Sur (11.6.5) and Apache Server with the virtual host. I am sharing the steps I followed and installed successfully. Check if it works for you. My local site name: `example.test` I created the directory `crt` in the document root of the directory Then I installed the certificate for `example.test` site `mkcert example.test` Then I configured the virtual host to load the certificate. ``` Listen 443 <VirtualHost *:443> DocumentRoot "/Users/[username]/Sites/example" ServerName example.test SSLCertificateFile "/Users/[username]/Sites/crt/example.test.pem" SSLCertificateKeyFile "/Users/[username]/Sites/crt/example.test-key.pem" VirtualDocumentRoot /Users/[username]/Sites/example </VirtualHost> ```

kerem commented

2026-02-25 22:33:00 +03:00

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@FiloSottile commented on GitHub (Apr 26, 2022):

As mentioned in https://github.com/FiloSottile/mkcert/issues/412#issuecomment-1009666856, it looks like OP is using the root certificate directly, which is not how mkcert works. Instead, you need to generate a certificate for the website, for example in this case by running mkcert hesweb.loc.

@FiloSottile commented on GitHub (Apr 26, 2022): As mentioned in https://github.com/FiloSottile/mkcert/issues/412#issuecomment-1009666856, it looks like OP is using the root certificate directly, which is not how mkcert works. Instead, you need to generate a certificate for the website, for example in this case by running `mkcert hesweb.loc`.

kerem referenced this issue

2026-02-25 22:33:29 +03:00

[PR #271] [CLOSED] Set certificate validity to 1 year to avoid issues with Chrome/Safari #435