diff --git a/src/Centreon/Domain/Repository/InformationsRepository.php b/src/Centreon/Domain/Repository/InformationsRepository.php
index a64e7800561..968df737ebc 100644
--- a/src/Centreon/Domain/Repository/InformationsRepository.php
+++ b/src/Centreon/Domain/Repository/InformationsRepository.php
@@ -71,9 +71,14 @@ public function authorizeMaster(string $ip): void
         $sql = "DELETE FROM `informations` WHERE `key` = 'authorizedMaster'";
         $stmt = $this->db->prepare($sql);
         $stmt->execute();
+
+        /*
+         * resolve the address down to IP
+         */
+        $ipAddress = gethostbyname($ip);
         $sql = "INSERT INTO `informations` (`key`, `value`) VALUES ('authorizedMaster', :ip)";
         $stmt = $this->db->prepare($sql);
-        $stmt->bindParam(':ip', $ip, PDO::PARAM_STR);
+        $stmt->bindParam(':ip', $ipAddress, PDO::PARAM_STR);
         $stmt->execute();
     }
 }
diff --git a/src/CentreonRemote/Application/Clapi/CentreonRemoteServer.php b/src/CentreonRemote/Application/Clapi/CentreonRemoteServer.php
index b9926093250..3e4528a88ff 100644
--- a/src/CentreonRemote/Application/Clapi/CentreonRemoteServer.php
+++ b/src/CentreonRemote/Application/Clapi/CentreonRemoteServer.php
@@ -39,18 +39,12 @@ public static function getName() : string
     public function enableRemote(string $string_ip)
     {
         $ipList = explode(',', $string_ip);
-        foreach ($ipList as $ip) {
-            if (!filter_var($ip, FILTER_VALIDATE_IP)) {
-                printf("Incorrect IP parameter: '%s', please pass `-v IP` of the master server\n", $ip);
-                return null;
-            }
-        }
 
         echo "Starting Centreon Remote enable process: \n";
 
         echo "Limiting Menu Access...";
         $result = $this->getDi()['centreon.db-manager']->getRepository(TopologyRepository::class)->disableMenus();
-        echo ($result) ? 'Success' : 'Fail' . "\n";
+        echo ($result) ? 'Success' . "\n" : 'Fail' . "\n";
 
         echo "Limiting Actions...";
         $this->getDi()['centreon.db-manager']->getRepository(InformationsRepository::class)->toggleRemote('yes');
@@ -67,7 +61,6 @@ public function enableRemote(string $string_ip)
         echo "Done\n";
 
         echo "Notifying Master...";
-        $result = $this->getDi()['centreon.notifymaster']->pingMaster($ip);
         $result = "";
         foreach ($ipList as $ip) {
             $result = $this->getDi()['centreon.notifymaster']->pingMaster($ip);
diff --git a/src/CentreonRemote/Application/Validator/WizardConfigurationRequestValidator.php b/src/CentreonRemote/Application/Validator/WizardConfigurationRequestValidator.php
index b08083b1b95..389826967ce 100644
--- a/src/CentreonRemote/Application/Validator/WizardConfigurationRequestValidator.php
+++ b/src/CentreonRemote/Application/Validator/WizardConfigurationRequestValidator.php
@@ -58,23 +58,11 @@ private function validateServerGeneralFields(): void
             );
         }
 
-        if (!filter_var($_POST['server_ip'], FILTER_VALIDATE_IP)) {
-            throw new \RestBadRequestException(
-                sprintf(_('%s is not valid.'), 'server_ip')
-            );
-        }
-
         if (!isset($_POST['centreon_central_ip']) || !$_POST['centreon_central_ip']) {
             throw new \RestBadRequestException(
                 sprintf(_($missingParameterMessage), 'centreon_central_ip')
             );
         }
-
-        if (!filter_var($_POST['centreon_central_ip'], FILTER_VALIDATE_IP)) {
-            throw new \RestBadRequestException(
-                sprintf(_('%s is not valid.'), 'centreon_central_ip')
-            );
-        }
     }
 
     /**
diff --git a/src/CentreonRemote/Application/Webservice/CentreonRemoteServer.php b/src/CentreonRemote/Application/Webservice/CentreonRemoteServer.php
index 071b6e0924c..b5e145929c6 100644
--- a/src/CentreonRemote/Application/Webservice/CentreonRemoteServer.php
+++ b/src/CentreonRemote/Application/Webservice/CentreonRemoteServer.php
@@ -65,11 +65,7 @@ public function postAddToWaitList(): string
         $ip = $_SERVER['REMOTE_ADDR'] ?? null;
 
         if (!$ip) {
-            throw new \RestBadRequestException('Can not access your IP address.');
-        }
-
-        if (!filter_var($ip, FILTER_VALIDATE_IP)) {
-            throw new \RestBadRequestException('IP is not valid.');
+            throw new \RestBadRequestException('Can not access your address.');
         }
 
         if (!isset($_POST['app_key']) || !$_POST['app_key']) {
@@ -85,7 +81,7 @@ public function postAddToWaitList(): string
         $result = $statement->fetch();
 
         if ((bool) $result['count']) {
-            throw new \RestConflictException('IP already in wait list.');
+            throw new \RestConflictException('Address already in wait list.');
         }
 
         $createdAt = date('Y-m-d H:i:s');
diff --git a/src/CentreonRemote/Domain/Service/NotifyMasterService.php b/src/CentreonRemote/Domain/Service/NotifyMasterService.php
index c286ed9bfa1..9681ecec0b1 100644
--- a/src/CentreonRemote/Domain/Service/NotifyMasterService.php
+++ b/src/CentreonRemote/Domain/Service/NotifyMasterService.php
@@ -16,7 +16,6 @@ class NotifyMasterService
     const CANT_CONNECT = 'Could not connect';
     const TIMEOUT = 'Timeout';
     const UNKNOWN_ERROR = 'Unknown Error';
-    const WRONG_IP = 'Wrong IP';
     const NO_APP_KEY = 'No Application Key found';
 
     /**
@@ -36,13 +35,21 @@ class NotifyMasterService
     private $curl;
 
     /**
-     * @return Curl
+     * @return void
      */
     public function setCurl(Curl $curl): void
     {
         $this->curl = $curl;
     }
 
+    /**
+     * @return Curl
+     */
+    public function getCurl(): Curl
+    {
+        return $this->curl;
+    }
+
     /**
      * NotifyMasterService constructor.
      *
@@ -61,12 +68,6 @@ public function __construct(CentreonDBManagerService $dbManager)
      */
     public function pingMaster($ip)
     {
-        if (!filter_var($ip, FILTER_VALIDATE_IP)) {
-            return [
-                'status' => self::FAIL,
-                'details' => self::WRONG_IP
-            ];
-        }
 
         $url = "{$ip}/centreon/api/external.php?object=centreon_remote_server&action=addToWaitList";
         $repository = $this->dbManager->getRepository(InformationsRepository::class);
@@ -85,10 +86,11 @@ public function pingMaster($ip)
                 'app_key' => $applicationKey->getValue(),
                 'version' => $version->getValue(),
             ];
-            $this->curl->post($url, $curlData);
 
-            if ($curl->error) {
-                switch ($curl->error_code) {
+            $this->getCurl()->post($url, $curlData);
+
+            if ($this->getCurl()->error) {
+                switch ($this->getCurl()->error_code) {
                     case 6:
                         $details = self::CANT_RESOLVE_HOST;
                         break;
diff --git a/www/front_src/src/helpers/validators.js b/www/front_src/src/helpers/validators.js
index a5592378745..0b97d17287b 100755
--- a/www/front_src/src/helpers/validators.js
+++ b/www/front_src/src/helpers/validators.js
@@ -8,14 +8,12 @@ export const serverNameValidator = serverName =>
 export const serverIpAddressValidator = serverIpAddress => {
     let message = "";
     message = !serverIpAddress || serverIpAddress.length < 1 ? "The field is required" : "";
-    message = (message === "" ? validateIPaddress(serverIpAddress) : message) ;
     return message;
 }
 
 export const centralIpAddressValidator = centralIpAddress => {
     let message = "";
     message = !centralIpAddress || centralIpAddress.length < 1 ? "The field is required" : "";
-    message = (message === "" ? validateIPaddress(centralIpAddress) : message) ;
     return message;
 }