How to make Chrome on OS X trust a self-signed certificate

When setting up Subversion recently to use with my various JDeveloper and NetBeans installations here, there and everywhere, I wanted to browse my repositories from Chrome (my main day to day browser) on Mac OS X (my main day to day OS).  But, my Subversion installation is using HTTPS with a self-signed certificate, so I had to tell Chrome how to understand it.

The process is as follows:

  • Open the offending site in Chrome
  • Click on little bang icon at the right hand end of the address bar
  • Hold down the Option key and drag the certificate from the popup dialog to the desktop
  • Rename it with a .cer extension
  • In the Chrome menu, navigate to Preferences, Under the Hood, Security, Manage Certificates
  • Click on the plus “+” icon to add a certificate
  • Point to the .cer file on the desktop
  • Select the option to trust the certificate

That’s it, all done!

About Mark Nelson

Mark Nelson is an Architect in the Enterprise Cloud-Native Java Team at Oracle. Mark works mainly on making Java (traditional and microservices) easy to use in Kubernetes and the CNCF ecosystem. Before joining this team, Mark worked on Wercker, WebLogic and was a senior member of the A-Team since 2010, and worked in Sales Consulting at Oracle since 2006 and various roles at IBM since 1994.
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