1.htaccess

RewriteRule ^dashboard/(.*) wp-admin/$1?%{QUERY_STRING} [L]

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>
# END WordPress

10.htaccess

#CUSTOM ADMIN URL REWRITE
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^dashboard[^/]*$ dashboard/ [R=301,L]
RewriteCond %{QUERY_STRING} (.*)$
RewriteRule ^dashboard(.*)$ wp-admin$1? [QSA,L,NE]
RewriteCond %{QUERY_STRING} (.*)$
RewriteRule ^wp-admin/?$ / [NE,R=404,L]
RewriteCond %{QUERY_STRING} (.*)$
RewriteRule ^wp-admin/(.*)$ dashboard/$1 [QSA,R=301,L,NE]
</IfModule>
#CUSTOM ADMIN URL REWRITE

RewriteRule ^admin/(.*) wp-admin/$1?%{QUERY_STRING} [L]


<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
</IfModule>

2.htaccess

# fix for rewrite class static files

RewriteEngine On
RewriteBase /
RewriteRule ^index\.php$ - [L]

# uploaded files
RewriteRule ^([_0-9a-zA-Z-]+/)?files/(.+) wp-includes/ms-files.php?file=$2 [L]

# add a trailing slash to /wp-admin
RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]

# Fix using the previous answer. 
RewriteRule ^admin/(.*)$ wp-admin/$1 [QSA,L] 

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule  ^[_0-9a-zA-Z-]+/(wp-(content|admin|includes).*) $1 [L]

#Fix to load css js image files for multi site admin urls. 
#old code RewriteRule  ^[_0-9a-zA-Z-]+/(.*\.php)$ $1 [L]
RewriteRule  ^[_0-9a-zA-Z-]+/(.*\.(php|css|js|png|jpg|gif))$ $1 [L]

RewriteRule . index.php [L]

3.htaccess

#CUSTOM ADMIN URL REWRITE
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /
RewriteRule ^dashboard[^/]*$ dashboard/ [R=301,L]
RewriteCond %{QUERY_STRING} (.*)$
RewriteRule ^dashboard(.*)$ wp-admin$1? [QSA,L,NE]
RewriteCond %{QUERY_STRING} (.*)$
RewriteRule ^wp-admin/?$ / [NE,R=404,L]
RewriteCond %{QUERY_STRING} (.*)$
RewriteRule ^wp-admin/(.*)$ dashboard/$1 [QSA,R=301,L,NE]
</IfModule>
#CUSTOM ADMIN URL REWRITE

4.htaccess

# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /subcataloged/cliens-wp/
RewriteRule ^index\.php$ - [L]

# add a trailing slash to /wp-admin
RewriteRule ^([_0-9a-zA-Z-]+/)?wp-admin$ $1wp-admin/ [R=301,L]

RewriteCond %{REQUEST_FILENAME} -f [OR]
RewriteCond %{REQUEST_FILENAME} -d
RewriteRule ^ - [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?(wp-(content|admin|includes).*) $2 [L]
RewriteRule ^([_0-9a-zA-Z-]+/)?(.*\.php)$ $2 [L]
RewriteRule . index.php [L]
</IfModule>
# END WordPress

5.htaccess

 # END WordPress

#HERE
RewriteRule ^wp-admin/?$ /dashboard [R,L]
RewriteRule ^wp-admin/(.*)/?$ /dashboard/$1 [R,L]
RewriteRule ^dashboard/?$ /wp-admin
RewriteRule ^dashboard/(.*)$ /wp-admin/$1

9.htaccess

 
RewriteBase /
RewriteCond %{THE_REQUEST} ^GET\ /wp-admin/
RewriteRule ^wp-admin/(.*)$ dashboard/$1 [R,L]
RewriteRule ^dashboard(.*)$ wp-admin$1

 
 RewriteRule ^admin/(.*)$ wp-admin/$1 [QSA,L]

admn.php

<?php
define('WP_ADMIN_DIR', 'admin');
defined('SITECOOKIEPATH') || define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . WP_ADMIN_DIR);
   
add_filter('site_url',  'wpadmin_filter', 10, 3);
 function wpadmin_filter( $url, $path, $orig_scheme ) {
  $old  = array( "/(wp-admin)/");
  $admin_dir = WP_ADMIN_DIR;
  $new  = array($admin_dir);
  return preg_replace( $old, $new, $url, 1);
}
 
function redirect_wp_admin(){
$redirect_to = $_SERVER['REQUEST_URI'];
if(count($_REQUEST)> 0 && array_key_exists('redirect_to', $_REQUEST)){
$redirect_to = $_REQUEST['redirect_to'];
$check_wp_admin = stristr($redirect_to, 'wp-admin');
if($check_wp_admin){
wp_safe_redirect( '404.php' );
}
}
}

clakkss.php

return ChangeAdminUrlPlugin::bootstrap();
 
class ChangeAdminUrlPlugin {
	private $renameFrom = 'wp-admin';
	private $renameTo = 'admin';
	static $instance;
	static public function bootstrap() {
		null === self::$instance
			&& self::$instance = new self()
			;
		return self::$instance;
	}
	private function setCookiePath() {
		defined('SITECOOKIEPATH') || define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
		defined('ADMIN_COOKIE_PATH') || define('ADMIN_COOKIE_PATH', SITECOOKIEPATH . $this->renameTo);
	}
	public function __construct() {
		$this->setCookiePath();
		add_action('init', array($this, 'init')) ;
	}
	public function init() {
		add_filter('admin_url', array($this, 'admin_url'), 10, 3);
	}
	public function admin_url($url, $path, $blog_id) {
		$renameFrom = $this->renameFrom;
		$renameTo = $this->renameTo;
		$scheme = 'admin';
		$find = get_site_url($blog_id, $renameFrom.'/', $scheme);
		$replace = get_site_url($blog_id, $renameTo.'/', $scheme);
		(0 === strpos($url, $find))
			&& $url = $replace.substr($url, strlen($find))
			;
		return $url;
	}
}
 
#EOF;




public function admin_url($url, $path, $blog_id) {
    $scheme = (0 === strpos($url, '/')) ? 'relative' : 'admin';
    $find = get_site_url($blog_id, $this->renameFrom . '/', $scheme);
    $replace = get_site_url($blog_id, $this->renameTo . '/', $scheme);
    (0 === strpos($url, $find))
        && $url = $replace . substr($url, strlen($find));
    return $url;
}

e.htaccess

RewriteRule \.(jpg|jpeg|png|gif)$ - [NC,F,L]




.(xml|css|jpe?g|png|gif|js)$


^.+\.(?:js|css|jpe?g|htc|xml|otf|ttf|eot|woff|gif|png|svg|ico|pdf|html|htm)$
(xml|ogg|ogv|svg|svgz|eot|otf|woff|mp4|ttf|css|rss|atom|js|jpg|jpeg|gif|png|ico|zip|tgz|gz|rar|bz2|doc|xls|exe|ppt|tar|mid|midi|wav|bmp|rtf|ico)



/(.*\.(php|css|js|png|jpg|gif))$
^dasahboard/(images|js|css)/(.*)$ wp-admin$1
RewriteRule ^admin/(.*)$ wp-admin/$1 [QSA,L]
RewriteRule ^admin/(.*)$ wp-admin/$1 [QSA,L]
RewriteRule ^admin/(.*)$ /wp-admin/$1 [QSA,L]

 defined('SITECOOKIEPATH') || define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
      defined('ADMIN_COOKIE_PATH') || define('ADMIN_COOKIE_PATH', SITECOOKIEPATH . $this->renameTo);
     }		add_filter('admin_url', array($this, 'admin_url'), 10, 3);
\.(gif|png|jpg|js|css|swf)$

RewriteRule ^(scripts|css)/(.+)\.(.+)\.(js|css)$ $1/$2.$4 [L]
RewriteCond %{REQUEST_FILENAME} !\.(jpg|gif|png|css|js|txt|ico|pdf)$ [NC]


^wp-admin/css/\.(jpg|gif|png|css|js|txt|ico|pdf)$

login.php

// Add rewrite rule and flush on plugin activation
register_activation_hook( __FILE__, 'wp_ozh_plu_activate' );
function wp_ozh_plu_activate() {
    wp_ozh_plu_rewrite();
    flush_rewrite_rules();
}
 
// Flush on plugin deactivation
register_deactivation_hook( __FILE__, 'wp_ozh_plu_deactivate' );
function wp_ozh_plu_deactivate() {
    flush_rewrite_rules();
}
 
// Create new rewrite rule
add_action( 'init', 'wp_ozh_plu_rewrite' );
function wp_ozh_plu_rewrite() {
    add_rewrite_rule( 'login/?$', 'wp-login.php', 'top' );
}

rewriddte.php

RewriteRule ^secret-folder/(.*) wp-admin/$1?%{QUERY_STRING} [L]
# BEGIN WordPress
<IfModule mod_rewrite.c>
RewriteEngine On
RewriteBase /wordpress-3.3/
RewriteRule ^index\.php$ - [L]
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /wordpress-3.3/index.php [L]
</IfModule>

# END WordPress
wp-config.php

define('WP_ADMIN_DIR', 'secret-folder');
define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . WP_ADMIN_DIR);
themes/your_theme_name/functions.php

add_filter('site_url', 'wpadmin_filter', 10, 3);

function wpadmin_filter( $url, $path, $orig_scheme ) {
    $old = array( "/(wp-admin)/");
    $admin_dir = WP_ADMIN_DIR;
    $new = array($admin_dir);
    return preg_replace( $old, $new, $url, 1);
}

add_action( 'admin_init', 'restrict_wp_admin');

function redirect_wp_admin(){
    $redirect_to = $_SERVER['REQUEST_URI'];
    if(count($_REQUEST)> 0 && array_key_exists('redirect_to', $_REQUEST)){
        $redirect_to = $_REQUEST['redirect_to'];
        $check_wp_admin = stristr($redirect_to, 'wp-admin');
        if($check_wp_admin){
            wp_safe_redirect( '404.php' );
        }
    }
} 

rewrite-class.php

<?php
/**
     * Change Admin URL
     * 
     * Copyright (C) 2010  hakre <http://hakre.wordpress.com/>
     * 
     * This program is free software: you can redistribute it and/or modify
     * it under the terms of the GNU Affero General Public License as
     * published by the Free Software Foundation, either version 3 of the
     * License, or (at your option) any later version.
     * 
     * This program is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     * GNU Affero General Public License for more details.
     * 
     * You should have received a copy of the GNU Affero General Public License
     * along with this program.  If not, see <http://www.gnu.org/licenses/>.
     * 
     * USAGE: 
     * 
     * Copy the file into  wp-content/mu-plugins  directory and add the 
     * following RewriteRule to your apache configuration or .htaccess:
     * 
     *  RewriteRule ^admin/(.*)$ wp-admin/$1 [QSA,L]
     * 
     * It will rewrite the wordpress admin-URL 
     *  
     *   from: http://example.com/wp-admin/ ...
     *   to  : http://example.com/admin/ ...
     * 
     * @author hakre <http://hakre.wordpress.com>
     * @see http://wordpress.stackexchange.com/questions/4037/how-to-redirect-rewrite-all-wp-login-requests/4063
     * @todo mod_rewrite_rules - filter to insert into .htacces on plugin activation
     * 
     */
    /** Updated version my Mark Figueredo, <http://gruvii.com/> **/
    return ChangeAdminUrlPlugin::bootstrap();

    class ChangeAdminUrlPlugin {
     private $renameFrom = 'wp-admin';
     private $renameTo = 'admin';
     static $instance;
     static public function bootstrap() {
      null === self::$instance
       && self::$instance = new self()
       ;
      return self::$instance;
     }
     private function setCookiePath() {
      defined('SITECOOKIEPATH') || define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
      defined('ADMIN_COOKIE_PATH') || define('ADMIN_COOKIE_PATH', SITECOOKIEPATH . $this->renameTo);
     }
     public function __construct() {
      $this->setCookiePath();
      add_action('init', array($this, 'init')) ;
     }
     public function init() {
      add_filter('admin_url', array($this, 'admin_url'), 10, 3);
      add_filter('network_admin_url', array($this, 'network_admin_url'), 10, 3);//Added by Mark Figueredo, <http://gruvii.com/>
     }
     public function admin_url($url, $path, $blog_id) {
      $renameFrom = $this->renameFrom;
      $renameTo = $this->renameTo;
      $scheme = 'admin';
      $find = get_site_url($blog_id, $renameFrom.'/', $scheme);
      $replace = get_site_url($blog_id, $renameTo.'/', $scheme);
      (0 === strpos($url, $find))
       && $url = $replace.substr($url, strlen($find))
       ;
      return $url;
     }
// Added by Mark Figueredo, <http://gruvii.com/> 
     public function network_admin_url($url, $path) {
      $renameFrom = $this->renameFrom;
      $renameTo = $this->renameTo;
      $scheme = 'admin';
      $find = network_site_url($renameFrom.'/', $scheme);
      $replace = network_site_url($renameTo.'/', $scheme);
      (0 === strpos($url, $find))
       && $url = $replace.substr($url, strlen($find))
       ;
      return $url;
     }
    }

rewrite-mu-plugin.php

# RewriteRule ^dashboard/(.*) wp-admin/$1?%{QUERY_STRING} [L]
# BEGIN WordPress
# <IfModule mod_rewrite.c>
# RewriteEngine On
# RewriteBase /
# RewriteRule ^index\.php$ - [L]
# RewriteCond %{REQUEST_FILENAME} !-f
# RewriteCond %{REQUEST_FILENAME} !-d
# RewriteRule . /index.php [L]
# </IfModule>
# END WordPress


<?php
// This goes in mu-plugins folder
function my_custom_admin_url($path) { 
    return str_replace('wp-admin', 'dashboard', $path); 
}
add_filter('admin_url', 'my_custom_admin_url');

s.htaccess

######################
RewriteEngine On
RewriteBase /
##### ABOVE THIS POINT IS ALREADY INSERTED BY WORD PRESS
##### Michi’s code is BELOW #####
RewriteCond %{REQUEST_URI} wp-admin/
RewriteCond %{QUERY_STRING} !YOURSECRETWORDHERE
RewriteRule .*\.php [F,L]
RewriteCond %{QUERY_STRING} !YOURSECRETWORDHERE
RewriteRule ^ADMINFOLDER/(.*) wp-admin/$1?%{QUERY_STRING}&YOURSECRETWORDHERE [L]
##### Michi’s code is ABOVE #####
##### BELOW THIS POINT IS ALREADY INSERTED BY WORD PRESS
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d
RewriteRule . /index.php [L]
#####################

superclass.php

  class ChangeAdminUrlPlugin {
     private $renameFrom = 'wp-admin';
     private $renameTo = 'admin';
     static $instance;
     static public function bootstrap() {
      null === self::$instance
       && self::$instance = new self()
       ;
      return self::$instance;
     }
     private function setCookiePath() {
      defined('SITECOOKIEPATH') || define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
      defined('ADMIN_COOKIE_PATH') || define('ADMIN_COOKIE_PATH', SITECOOKIEPATH . $this->renameTo);
     }
     public function __construct() {
      $this->setCookiePath();
      add_action('init', array($this, 'init')) ;
     }
     public function init() {
      add_filter('admin_url', array($this, 'admin_url'), 10, 3);
      add_filter('network_admin_url', array($this, 'network_admin_url'), 10, 3);//Added by Mark Figueredo, <http://gruvii.com/>
     }
     public function admin_url($url, $path, $blog_id) {
      $renameFrom = $this->renameFrom;
      $renameTo = $this->renameTo;
      $scheme = 'admin';
      $find = get_site_url($blog_id, $renameFrom.'/', $scheme);
      $replace = get_site_url($blog_id, $renameTo.'/', $scheme);
      (0 === strpos($url, $find))
       && $url = $replace.substr($url, strlen($find))
       ;
      return $url;
     }
     
     
// Added by Mark Figueredo, <http://gruvii.com/> 
     public function network_admin_url($url, $path) {
      $renameFrom = $this->renameFrom;
      $renameTo = $this->renameTo;
      $scheme = 'admin';
      $find = network_site_url($renameFrom.'/', $scheme);
      $replace = network_site_url($renameTo.'/', $scheme);
      (0 === strpos($url, $find))
       && $url = $replace.substr($url, strlen($find))
       ;
      return $url;
     }
    }