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Generating a valid self-signed certificate for Apache and Chrome

Certificate installation

After generating our valid self-signed certificate, it’s time to install and configure it under Apache.

For testing purposes, I will show the procedure using XAMPP for Windows, but it’s of course valid for all Apache 2.4 instances.

So, assuming that your Apache folder is located under c:\xampp\apache, let’s copy nullalo.local.key file in c:\xampp\apache\conf\ssl.key\ folder and nullalo.local.crt in c:\xampp\apache\conf\ssl.crt\.

Next, open Apache configuration file for your domain (in XAMPP, either c:\xampp\apache\conf\extra\httpd-ssl.conf for localhost or c:\xampp\apache\conf\extra\httpd-vhosts.conf for virtual hosts) and add the following three lines (SSLEngine, SSLCertificateFile and SSLCertificateKeyFile):


<VirtualHost nullalo.local:443>
...
SSLEngine on
SSLCertificateFile "conf/ssl.crt/nullalo.local.crt"
SSLCertificateKeyFile "conf/ssl.key/nullalo.local.key"
</VirtualHost>

Now, simply restart Apache and try to open https://nullalo.local in Google Chrome (and any other browser you use): you should see the long-awaited green lock in the navigation bar!

One last note: if you use any antivirus/firewall software, it will still throw you warning for your self-signed certificate, but in this case you can tell the software to always allow that certificate, it won’t be asked anymore.

Finally, if you still got error from Chrome, you can install the generated certificate on your machine, between the trusted ones, as already explained here.

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2 Comments

  1. Arvind Kumar Jha
    Tuesday December 4th, 2018 at 08:22 AM — Reply

    Thanks a ton!!
    This tutorial worked for me perfectly.

  2. Sunday December 16th, 2018 at 01:18 PM — Reply

    Davvero interessante 🙂 Grazie

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