OpenLDAP logging levels

number	hex-value	log-name	Logging description
-1	0xFFFF		enable all logging
0	0x0000	-	logging inhibited - no logging occurs including critical errors. Not recommended.
1	0x1	acl	trace function calls
2	0x2	packets	debug packet handling
4	0x4	args	heavy trace debugging
8	0x8	conns	connection management
16	0x10	BER	print out packets sent and received
32	0x20	filter	search filter processing
64	0x40	config	configuration file processing
128	0x80	ACL	access control list processing
256	0x100	stats	stats log connections/operations/results
512	0x200	stats2	stats log entries sent
1024	0x400	shell	print communication with shell backends
2048	0x800	parse	print entry parsing debugging
4096	0x1000	cache	caching (unused)g
8192	0x2000	index	indexing (unused)
16384	0x4000	sync	print syncrepl (replica) logging
32768	0x8000	none	A misnomer - it will log message that are not categorized including curial messages