Hi, I using 1.5.3. I wrote syslog-ng.conf. filter xconsole { level(debug..waning); }; I mistake warning <-> waning. In this case, syslog-ng output the following message. % syslog-ng Warning: Unknown priority level debug I want to output Warning: Unknown priority level waning or Warning: Unknown priority level debug..waning Is This difficult? -- YAMAUCHI Tomohiro handy@nid.co.jp