If a client certificate is required during authentication, you are automatically prompted to select a client certificate that is present in your keychain in macOS. Single factor client certificate authentication is supported for connections to SonicWall SMA 100 Series.
To configure the client certificate on your Mac
Initiate a connection to the SMA 100 Series. You are prompted to choose the certificate.
To modify the client certificate setting when disconnected
In the Certificate field, select the appropriate client certificate option and then click Save.