diff --git a/application/core/Auth_Controller.php b/application/core/Auth_Controller.php
index 899497872..d170a7eca 100644
--- a/application/core/Auth_Controller.php
+++ b/application/core/Auth_Controller.php
@@ -7,6 +7,10 @@ if (!defined('BASEPATH')) exit('No direct script access allowed');
  */
 abstract class Auth_Controller extends FHC_Controller
 {
+	// Special Permissions
+	const PERM_ANONYMOUS = 'anonymous'; // Everyone
+	const PERM_LOGGED = 'logged_in'; // Every registered user
+
 	/**
 	 * Extends this controller if authentication is required
 	 */
@@ -14,11 +18,32 @@ abstract class Auth_Controller extends FHC_Controller
 	{
         parent::__construct();
 
-		// Loads authentication library and starts authentication
-		$this->load->library('AuthLib');
+		if (!is_array($requiredPermissions) || isEmptyArray($requiredPermissions))
+			show_error('The given permissions is not a valid array or it is an empty one');
+		
+		if (!isset($requiredPermissions[$this->router->method]))
+			show_error('The given permission array does not contain the given method or is not correctly set');
+		
+		$anonAllowed = false;
+		if ($requiredPermissions[$this->router->method] == self::PERM_ANONYMOUS)
+			$anonAllowed = true;
+		elseif (is_array($requiredPermissions[$this->router->method])
+			&& in_array(self::PERM_ANONYMOUS, $requiredPermissions[$this->router->method]))
+			$anonAllowed = true;
 
-		// Checks if the caller is allowed to access to this content
-		$this->_isAllowed($requiredPermissions);
+		if ($anonAllowed) {
+			// Loads authentication library without authentication
+			$this->load->library('AuthLib', [false]);
+
+			// Loads helper since it would only be called on authentication
+			$this->load->helper('hlp_authentication');
+		} else {
+			// Loads authentication library and starts authentication
+			$this->load->library('AuthLib');
+
+			// Checks if the caller is allowed to access to this content
+			$this->_isAllowed($requiredPermissions);
+		}
 	}
 
 	/**
diff --git a/application/libraries/PermissionLib.php b/application/libraries/PermissionLib.php
index 09f89abee..bf8174cf4 100644
--- a/application/libraries/PermissionLib.php
+++ b/application/libraries/PermissionLib.php
@@ -21,6 +21,8 @@ require_once(FHCPATH.'include/functions.inc.php');
 require_once(FHCPATH.'include/wawi_kostenstelle.class.php');
 require_once(FHCPATH.'include/benutzerberechtigung.class.php');
 
+use \benutzerberechtigung as benutzerberechtigung;
+
 class PermissionLib
 {
 	// Available rights in the DB
@@ -65,8 +67,10 @@ class PermissionLib
 		if (!is_cli())
 		{
 			// API Caller rights initialization
+			$authObj = $this->_ci->authlib->getAuthObj();
 			self::$bb = new benutzerberechtigung();
-			self::$bb->getBerechtigungen(($this->_ci->authlib->getAuthObj())->{AuthLib::AO_USERNAME});
+			if ($authObj)
+				self::$bb->getBerechtigungen($authObj->{AuthLib::AO_USERNAME});
 		}
 	}
 
@@ -166,6 +170,16 @@ class PermissionLib
 									if ($checkPermissions === true) break;
 								}
 							}
+							elseif ($permissions[$pCounter] == Auth_Controller::PERM_ANONYMOUS)
+							{
+								$checkPermissions = true;
+								break;
+							}
+							elseif ($permissions[$pCounter] == Auth_Controller::PERM_LOGGED)
+							{
+								$checkPermissions = isLogged();
+								break;
+							}
 							else
 							{
 								show_error('The given permission does not use the correct format');