logging {
	channel update_debug {
		file "/var/log/bind/update_debug.log" versions 3 size 100k;
		severity debug;
		print-severity	yes;
		print-time	yes;
	};
	channel security_info {
		file "/var/log/bind/security_info.log" versions 1 size 100k;
		severity info;
		print-severity	yes;
		print-time	yes;
	};
	channel bind_log {
		file "/var/log/bind/bind.log" versions 3 size 1m;
		severity info;
		print-category	yes;
		print-severity	yes;
		print-time	yes;
	};

	category default { bind_log; };
	category lame-servers { null; };
	category update { update_debug; };
	category update-security { update_debug; };
	category security { security_info; };
};