Mac OS (MacBook Pro, MacBook Air, iMac, Mac mini, etc.)
- Dowlnoad the Zscaler Certificate HERE
- Navigate to Finder > Applications > Utilities > Keychain Access
- Select "System" in the left-hand column.
- Open File > Import Items and import the downloaded certificate file into the "System" keychain. Enter your password if prompted.
- The certificate should now show a red X which means it is not trusted yet. Double-Click the certificate, and under "Trust," changed the setting at the top (When using this certificate) to "Always Trust."
For more information Click Here to visit the Apple website.