logging {
	channel query_logging {
		file "/var/log/named/query.log";
		print-time yes;
	};
	category lame-servers { null; };
	category queries { query_logging; };

	channel xfer_logging {
		file "/var/log/named/xfer.log";
		print-time yes;
	};
	category "xfer-in" { xfer_logging; };
	category "xfer-out" { xfer_logging; };

	category dnssec   { security_log; };
	category update   { security_log; };
	category security { security_log; };

	channel security_log {
		file "/var/log/named/dns-security.log" versions 10 size 20m;
		print-time yes;
		print-category yes;
		print-severity yes;
		severity info;
	};
};