| To enable https://web-platform.test:8443/, add cacert.pem to your browser as Certificate Authority. | |
| For Firefox, go to about:preferences and search for "certificates". | |
| For browsers that use the Certificate Authorities of the underlying OS, such as Chrome and Safari, | |
| you need to adjust the OS. For macOS, go to Keychain Access and add the certificate under | |
| **login**. | |
| ### Updating these certs | |
| From the root, run `./wpt serve --config tools/certs/config.json` and terminate it after it has started up. |