PHP连接错误ldap_bind(): Unable to bind to server: Protocol error in

PHP连接错误ldap_bind(): Unable to bind to server: Protocol error in

// using ldap bind
$ldaprdn  = 'cn=admin,dc=test,dc=com';     // ldap rdn or dn
$ldappass = 'test1';  // associated password


// connect to ldap server
$ldapconn = ldap_connect("ldap://192.168.1.36",'389')
    or die("Could not connect to LDAP server.");






//擦。。加上这个函数就不会报错了。好像是要设置下级别。 ldap_bind(): Unable to bind to server: Protocol error in
if (ldap_set_option($ldapconn, LDAP_OPT_PROTOCOL_VERSION, 3)) {
    echo "Using LDAPv3"."
;";
} else {
    echo "Failed to set protocol version to 3"."
;";
}




if ($ldapconn) {


    // binding to ldap server
    $ldapbind = ldap_bind($ldapconn, $ldaprdn, $ldappass);


    // verify binding
    if ($ldapbind) {
        echo "LDAP bind successful...";
    } else {
        echo "LDAP bind failed...";
    }


}


exit;