<Realm
    className="org.apache.catalina.realm.JNDIRealm"
    debug="9"
    connectionURL="ldap://server-name.com.br:389"
    authentication="simple"
    connectionName="username"
    connectionPassword="password"
    userSearch="(userMainName={0})"
    userBase="OU=Outros,DC=dc-name,DC=com,DC=br"
    userSubtree="true"
    userRoleName="memberOf"
    roleBase="OU=Groups,OU=Datacenter,DC=dc-name,DC=com,DC=br"
    roleSearch="(member={0})"
    roleSubtree="true"
    roleName="CN">
</Realm>