diff --git a/app/ring_groups/ring_group_destination_edit.php b/app/ring_groups/ring_group_destination_edit.php
index 622e1e45b0..2ed48fcc95 100644
--- a/app/ring_groups/ring_group_destination_edit.php
+++ b/app/ring_groups/ring_group_destination_edit.php
@@ -86,6 +86,14 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 		$ring_group_destination_uuid = $_POST["ring_group_destination_uuid"];
 	}
 
+	//validate the token
+		$token = new token;
+		if (!$token->validate($_SERVER['PHP_SELF'])) {
+			message::add($text['message-invalid_token'],'negative');
+			header('Location: ring_groups.php');
+			exit;
+		}
+
 	//check for all required data
 		//if (strlen($domain_uuid) == 0) { $msg .= $text['message-required']." ".$text['label-domain_uuid']."<br>\n"; }
 		//if (strlen($ring_group_uuid) == 0) { $msg .= $text['message-required']." ".$text['label-ring_group_uuid']."<br>\n"; }
@@ -174,6 +182,10 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 		unset($sql, $parameters, $row);
 	}
 
+//create token
+	$object = new token;
+	$token = $object->create($_SERVER['PHP_SELF']);
+
 //show the header
 	require_once "resources/header.php";
 
@@ -255,6 +267,7 @@ if (count($_POST)>0 && strlen($_POST["persistformvar"]) == 0) {
 	if ($action == "update") {
 		echo "		<input type='hidden' name='ring_group_destination_uuid' value='".escape($ring_group_destination_uuid)."'>\n";
 	}
+	echo "			<input type='hidden' name='".$token['name']."' value='".$token['hash']."'>\n";
 	echo "			<br>";
 	echo "			<input type='submit' name='submit' class='btn' value='".$text['button-save']."'>\n";
 	echo "		</td>\n";
diff --git a/app/ring_groups/ring_group_edit.php b/app/ring_groups/ring_group_edit.php
index e6b1c14f82..1b8c7e03ad 100644
--- a/app/ring_groups/ring_group_edit.php
+++ b/app/ring_groups/ring_group_edit.php
@@ -179,6 +179,14 @@
 //process the HTTP POST
 	if (count($_POST) > 0 && strlen($_POST["persistformvar"]) == 0) {
 
+		//validate the token
+			$token = new token;
+			if (!$token->validate($_SERVER['PHP_SELF'])) {
+				message::add($text['message-invalid_token'],'negative');
+				header('Location: ring_groups.php');
+				exit;
+			}
+
 		//check for all required data
 			$msg = '';
 			if (strlen($ring_group_name) == 0) { $msg .= $text['message-name']."<br>\n"; }
@@ -501,6 +509,10 @@
 	$sounds = new sounds;
 	$sounds = $sounds->get();
 
+//create token
+	$object = new token;
+	$token = $object->create($_SERVER['PHP_SELF']);
+
 //show the header
 	require_once "resources/header.php";
 
@@ -938,6 +950,7 @@
 	if (is_uuid($ring_group_uuid)) {
 		echo "		<input type='hidden' name='ring_group_uuid' value='".escape($ring_group_uuid)."'>\n";
 	}
+	echo "			<input type='hidden' name='".$token['name']."' value='".$token['hash']."'>\n";
 	echo "			<br>";
 	echo "			<input type='submit' class='btn' value='".$text['button-save']."'>\n";
 	echo "		</td>\n";