Create custom login page in wordpress, and hook in functions - http://www.paulund.co.uk/create-your-own-wordpress-login-page
<?php
// Restrict dashboard access to administrator only
add_action( 'admin_init', 'ru_restrict_admin', 1 );
function ru_restrict_admin()
{
if ( ! current_user_can( 'manage_options' ) && '/wp-admin/admin-ajax.php' != $_SERVER['PHP_SELF'] ) {
wp_redirect( site_url() );
}
}
// Hook failed login
add_action( 'wp_login_failed', 'ru_login_failed' );
function ru_login_failed($user)
{
// check what page the login attempt is coming from
$referrer = $_SERVER['HTTP_REFERER'];
// check that were not on the default login page
if ( !empty($referrer) && !strstr($referrer,'wp-login') && !strstr($referrer,'wp-admin') && $user!=null ) {
// make sure we don't already have a failed login attempt
if ( !strstr($referrer, '?login=failed' )) {
// Redirect to the login page and append a querystring of login failed
wp_redirect( $referrer . '?login=failed');
} else {
wp_redirect( $referrer );
}
exit;
}
}
// Login Page Authentication
add_action( 'authenticate', 'ru_blank_login');
function ru_blank_login($user)
{
// check what page the login attempt is coming from
$referrer = $_SERVER['HTTP_REFERER'];
$error = false;
if($_POST['log'] == '' || $_POST['pwd'] == '')
{
$error = true;
}
// check that were not on the default login page
if ( !empty($referrer) && !strstr($referrer,'wp-login') && !strstr($referrer,'wp-admin') && $error ) {
// make sure we don't already have a failed login attempt
if ( !strstr($referrer, '?login=failed') ) {
// Redirect to the login page and append a querystring of login failed
wp_redirect( $referrer . '?login=failed' );
} else {
wp_redirect( $referrer );
}
exit;
}
}
?>
<?php
/**
* Template Name: User Login
*/
$args = array( 'redirect' => site_url() );
if(isset($_GET['login']) && $_GET['login'] == 'failed')
{
?>
<div id="login-error" style="background-color: #FFEBE8;border:1px solid #C00;padding:5px;">
<p>Login failed: You have entered an incorrect Username or password, please try again.</p>
</div>
<?php
}
wp_login_form( $args );
?>