@Override
        public String getName() { return "ssl-auth-client-verified-header"; }
The property representing the name of the header to use to retrieve the
verification status of the certificate an HTTP request received from an
SSL termination service providing SSL/TLS client authentication. This
value of this header must be "SUCCESS" (all uppercase) if the
certificate was successfully verified.
extensions/guacamole-auth-sso/modules/guacamole-auth-sso-ssl/src/main/java/org/apache/guacamole/auth/ssl/conf/ConfigurationService.java