logging{channeldefault_syslog{sysloglocal2;severityerror;};channelaudit_log{file"named.log"versions3size20m;severityinfo;print-timeyes;print-categoryyes;};categorydefault{audit_log;};categorygeneral{audit_log;};categorysecurity{audit_log;default_syslog;};categoryconfig{default_syslog;};categoryresolver{audit_log;};categoryxfer-in{audit_log;};categoryxfer-out{audit_log;};categorynotify{audit_log;};categoryclient{audit_log;};categorynetwork{audit_log;};categoryupdate{audit_log;};categoryqueries{audit_log;};categorylame-servers{audit_log;};};