logging {
        prefix-hook string ;
        suffix-hook string ;
        category category_spec {
                channel channel_name ;
                print-auth bool ;
                print-pass bool ;
                print-failed-pass bool ;
                level debug_level ;
        } ;
        channel channel_name {
                file string ;
                syslog facility . priority [tag] ;
                print-pid bool ;
                print-category bool ;
                print-cons bool ;
                print-level bool ;
                print-priority bool ;
                print-tid bool;
                print-milliseconds bool;
                prefix-hook string ;
                suffix-hook string ;
        };
} ;