olcAccess problem

Hi, On my olcDatabase={1}bdb,cn=config I added an ACL : {0}to * by dn="cn=user1,dc=truc" write by dn="cn=user2,dc=mbqt" read by * auth I don't understand why I have to add by * auth to allow the two previous users to be logged in ? Thanks Aurélien Lafranchise | Consultant Tél. : +33 (0)1 75 43 55 12 | Fax : +33 (0)1 75 43 55 11 www.snype-consulting.com