These days websites and apps must use HTTPS for a number of reasons. To develop locally with SSL you must create a self-signed certificate and then tell the browser to trust it.
Create a local self-signed certificate in MAMP
- Click on a host from the Hosts page.
- Go to the SSL tab.
- Tick the SSL checkbox.
- Click the Create self-signed certificate button.
- Enter
01into the Country code field. - Click the Generate button and save the file to a location with other project assets.
- Tick the https connections must use TLS protocols checkbox.
- Click the Save button. Restart the servers.
Download the local certificate
- Open the local https URL to the host in the Chrome browser. You should get the Your connection is not private message screen.
- Right-click the Not Secure icon in the URL bar.
- Select Certificate. This should open a window with self-signed certificate info.
- Click on the certificate image and drag it to your desktop.
- Click the Ok button to close the cert window.
Import the Cert into the Keychain
- Open Keychain Access in Chrome by going to Settings > Advanced > Privacy and security > Manage certificates.
- Select System under Keychains.
- Drag the cert from the desktop into the main window. You may need to enter your password. The new cert should appear in the list.
- Double-click the cert in the list to open the cert window.
- Click the Trust dropdown.
- In the dropdown box next to the label When using this certificate: select Always Trust. All other drop-downs in the window should update.
- Close the cert window. You may need to enter your password and click Update Settings. The cert should now be trusted and show as much in the window.