A representation of the server’s SSL transaction state.
- iOS 3.0+
- macOS 10.6+
- UIKit for Mac 13.0+Beta
- tvOS 9.0+
- watchOS 2.0+
This value is
nil if the authentication method of the protection space is not server trust.
Getting Protection Space Properties
The acceptable certificate-issuing authorities for client certificate authentication.
A Boolean value that indicates whether the receiver represents a proxy server.
The receiver’s authentication realm
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