OpenLDAP 2.4 禁止匿名用户访问

ldapmodify -Q -Y EXTERNAL -H ldapi:/// <<EOF
dn: cn=config 
changetype: modify
add: olcDisallows
olcDisallows: bind_anon
EOF
 
ldapmodify -Q -Y EXTERNAL -H ldapi:/// <<EOF
dn: olcDatabase={-1}frontend,cn=config 
changetype: modify
add: olcRequires
olcRequires: authc
EOF