diff --git a/plugin.php b/plugin.php
index 83694af..8044a8c 100644
--- a/plugin.php
+++ b/plugin.php
@@ -1,29 +1,84 @@
 <?php
 /*
 Plugin Name: BlackListIP
-Plugin URI: http://yourls.org
+Plugin URI: https://github.com/LudoBoggio/YourlsBlackListIPs
 Description: Plugin which block blacklisted IPs
-Version: 1.0
+Version: 1.1
 Author: Ludo
 Author URI: http://ludo.boggio.fr
 */
 
-// Hook our custom function into the 'pre_redirect' event
-yourls_add_action( 'pre_check_ip_flood', 'Ludo_BlackListIP_Root' );
+// No direct call
+if( !defined( 'YOURLS_ABSPATH' ) ) die();
 
-// For this plugin to work, you need to define $yourls_blacklist_ip
-// in the configuration file with entries like this :
-// $yourls_blacklist_ip = array ("149.3.136.114","119.180.110.179");
-function Ludo_BlackListIP_Root ( $args ) {
+// Hook the custom function into the 'pre_check_ip_flood' event
+yourls_add_action( 'pre_check_ip_flood', 'ludo_blacklist_ip_root' );
 
-    global $yourls_blacklist_ip;
+// Hook the admin page into the 'plugins_loaded' event
+yourls_add_action( 'plugins_loaded', 'ludo_blacklist_ip_add_page' );
 
-    $BlackListIP = $args[0];
+// Get blacklisted IPs from YOURLS options feature and compare with current IP address
+function ludo_blacklist_ip_root ( $args ) {
 
-    if (in_array($BlackListIP, $yourls_blacklist_ip)) {
-//        yourls_die ( "Your IP has been blacklisted.", "Black list",403);
-    echo "<center>Your IP has been blacklisted.</center>";
-        die();
-    }
+	$ip = $args[0];
+	$liste_ip = yourls_get_option ('ludo_blacklist_ip_liste');
+	if ( !$liste_ip ) {
+		$liste_ip_display = unserialize ( $liste_ip );
+
+		if (in_array($ip, $liste_ip_display)) {
+	//		yourls_die ( "Your IP has been blacklisted.", "Black list",403);
+			echo "<center>Your IP has been blacklisted.</center>";
+			die();
+		}
+	}
+}
+
+// Add admin page
+function ludo_blacklist_ip_add_page () {
+	yourls_register_plugin_page( 'ludo_blacklist_ip', 'Blacklist IPs', 'ludo_blacklist_ip_do_page' );
+}
+
+// Display admin page
+function ludo_blacklist_ip_do_page () {
+	if( isset( $_POST['action'] ) && $_POST['action'] == 'blacklist_ip' ) {
+		ludo_blacklist_ip_process ();
+	} else {
+		ludo_blacklist_ip_form ();
+	}
+}
+
+// Display form to administrate blacklisted IPs list
+function ludo_blacklist_ip_form () {
+	$nonce = yourls_create_nonce( 'blacklist_ip' ) ;
+	$liste_ip = yourls_get_option ('ludo_blacklist_ip_liste','Enter IP addresses here, one per line');
+	if ($liste_ip != 'Enter IP addresses here, one per line' )
+		$liste_ip_display = implode ( "\n" , unserialize ( $liste_ip ) );
+	echo <<<HTML
+		<h2> BlackList IPs</h2>
+		<form method="post">
+		
+		<input type="hidden" name="action" value="blacklist_ip" />
+		<input type="hidden" name="nonce" value="$nonce" />
+		
+		<p>Blacklist following IPs
+		<textarea cols="30" rows="5" name="blacklist_form">
+		$liste_ip_display
+		</textarea>
+		</p>
+		
+		<p><input type="submit" value="Save" /></p>
+		</form>
+HTML;
+}
+
+// Update blacklisted IPs list
+function ludo_blacklist_ip_process () {
+	// Check nonce
+	yourls_verify_nonce( 'blacklist_ip' ) ;
+
+	// Update list
+	$sent_list = serialize ( explode ( '\n' , $_POST['blacklist_form'] ) );
+	yourls_update_option ( $sent_list , 'ludo_blacklist_ip_liste' );
+	echo "Black list updated" ;
 }
 ?>
