diff --git a/doc/conf/srv-ldap.docbook b/doc/conf/srv-ldap.docbook
index 21bc2740..ec4a83be 100644
--- a/doc/conf/srv-ldap.docbook
+++ b/doc/conf/srv-ldap.docbook
@@ -17,6 +17,7 @@ serveur LDAP.</para>
         // Définition des paramètres de connexion à l'annuaire
       ),
       'useUserCredentials' => [boolean],
+      'useAuthzProxyControl' => [boolean],
       'LSauth' => array (
         'method' => [LSauth method],
         'api_method' => [LSauth method],
@@ -95,6 +96,19 @@ serveur LDAP.</para>
   </listitem>
 </varlistentry>
 
+<varlistentry>
+  <term>useAuthzProxyControl</term>
+  <listitem>
+    <simpara>Booléen définissant si, lorsqu'on utilise les identifiants de l'utilisateur pour
+    se connecter à l'annuaire, il faut utiliser une authentification via <emphasis>proxy
+    authorization</emphasis>. Dans ce cas, les identifiants de l'utilisateur ne seront pas, à
+    proprement parlé, utilisés pour se connecter à l'annuaire, mais une demande de <emphasis>
+    proxy authorization</emphasis> en tant que l'utilisateur connecté sera faites à l'aide des
+    identifiants de l'application. Ce mode nécessite une configuration particulière au niveau
+    de l'annuaire pour autoriser le compte de l'application à faire des demandes de <emphasis>
+    proxy authorization</emphasis> en tant que les autres utilisateurs de l'annuaire.</simpara>
+  </listitem>
+</varlistentry>
 
 <varlistentry>
   <term>LSprofiles</term>
diff --git a/src/includes/class/class.LSldap.php b/src/includes/class/class.LSldap.php
index 0e751cb1..44af0772 100644
--- a/src/includes/class/class.LSldap.php
+++ b/src/includes/class/class.LSldap.php
@@ -104,6 +104,38 @@ class LSldap extends LSlog_staticLoggerClass {
     return true;
   }
 
+  /**
+   * Set authz proxy control
+   *
+   * @author Benjamin Renard <brenard@easter-eggs.com>
+   *
+   * @param[in] $dn string Bind DN
+   *
+   * @retval boolean true if authz proxy controle is set, false otherwise
+   */
+  public static function setAuthzProxyControl($dn) {
+    if (!self :: $cnx) {
+      self :: connect();
+    }
+    $result = self :: $cnx -> setOption(
+      'LDAP_OPT_SERVER_CONTROLS',
+      array (
+        array(
+          'oid' => '2.16.840.1.113730.3.4.18',
+          'value' => "dn:$dn",
+          'iscritical' => true
+        )
+      )
+    );
+    // Also check user exists to validate the connection with
+    // authz proxy control.
+    if ($result !== True || !self :: exists($dn)) {
+      LSerror :: addErrorCode('LSldap_09');
+      return False;
+    }
+    return True;
+  }
+
   /**
    * Déconnection
    *
@@ -602,3 +634,6 @@ LSerror :: defineError('LSldap_07',
 LSerror :: defineError('LSldap_08',
   ___("LSldap: LDAP server base DN not configured.")
 );
+LSerror :: defineError('LSldap_09',
+  ___("LSldap: Fail to set authz proxy option on LDAP server connection.")
+);
diff --git a/src/includes/class/class.LSsession.php b/src/includes/class/class.LSsession.php
index 61d9c9bc..e6ffda90 100644
--- a/src/includes/class/class.LSsession.php
+++ b/src/includes/class/class.LSsession.php
@@ -817,20 +817,33 @@ class LSsession {
             self :: $LSuserObjectType = $LSuserObject -> getType();
             self :: $dn = $LSuserObject->getValue('dn');
             self :: $rdn = $LSuserObject->getValue('rdn');
-            if (isset(self :: $ldapServer['useUserCredentials']) && self :: $ldapServer['useUserCredentials']) {
-              self :: $userLDAPcreds = LSauth :: getLDAPcredentials($LSuserObject);
-              if (!is_array(self :: $userLDAPcreds)) {
-                LSerror :: addErrorCode('LSsession_14');
-                self :: $userLDAPcreds = false;
-                return;
+            if (
+              isset(self :: $ldapServer['useUserCredentials']) &&
+              self :: $ldapServer['useUserCredentials']
+            ) {
+              if (
+                isset(self :: $ldapServer['useAuthzProxyControl']) &&
+                self :: $ldapServer['useAuthzProxyControl']
+              ) {
+                if (!LSldap :: setAuthzProxyControl(self :: $dn)) {
+                  return;
+                }
               }
-              if (!LSldap :: reconnectAs(
-                  self :: $userLDAPcreds['dn'],
-                  self :: $userLDAPcreds['pwd'],
-                  self :: $ldapServer['ldap_config']
-                )) {
-                LSerror :: addErrorCode('LSsession_15');
-                return;
+              else {
+                self :: $userLDAPcreds = LSauth :: getLDAPcredentials($LSuserObject);
+                if (!is_array(self :: $userLDAPcreds)) {
+                  LSerror :: addErrorCode('LSsession_14');
+                  self :: $userLDAPcreds = false;
+                  return;
+                }
+                if (!LSldap :: reconnectAs(
+                    self :: $userLDAPcreds['dn'],
+                    self :: $userLDAPcreds['pwd'],
+                    self :: $ldapServer['ldap_config']
+                  )) {
+                  LSerror :: addErrorCode('LSsession_15');
+                  return;
+                }
               }
             }
             self :: loadLSprofiles();
@@ -1295,11 +1308,26 @@ class LSsession {
         self :: $dn && isset(self :: $ldapServer['useUserCredentials']) &&
         self :: $ldapServer['useUserCredentials']
       ) {
-        LSldap :: reconnectAs(
-          self :: $userLDAPcreds['dn'],
-          self :: $userLDAPcreds['pwd'],
-          self :: $ldapServer['ldap_config']
-        );
+        if (
+          isset(self :: $ldapServer['useAuthzProxyControl']) &&
+          self :: $ldapServer['useAuthzProxyControl']
+        ) {
+          // Firstly connect using main config and after, set authz proxy control
+          if (
+            !LSldap :: connect(self :: $ldapServer['ldap_config']) ||
+            !LSldap :: setAuthzProxyControl(self :: $dn)
+          ) {
+            LSerror :: addErrorCode('LSsession_15');
+            return;
+          }
+        }
+        else {
+          LSldap :: reconnectAs(
+            self :: $userLDAPcreds['dn'],
+            self :: $userLDAPcreds['pwd'],
+            self :: $ldapServer['ldap_config']
+          );
+        }
       }
       else {
         LSldap :: connect(self :: $ldapServer['ldap_config']);
diff --git a/src/lang/fr_FR.UTF8/LC_MESSAGES/ldapsaisie.mo b/src/lang/fr_FR.UTF8/LC_MESSAGES/ldapsaisie.mo
index 9e734450..1323a993 100644
Binary files a/src/lang/fr_FR.UTF8/LC_MESSAGES/ldapsaisie.mo and b/src/lang/fr_FR.UTF8/LC_MESSAGES/ldapsaisie.mo differ
diff --git a/src/lang/fr_FR.UTF8/LC_MESSAGES/ldapsaisie.po b/src/lang/fr_FR.UTF8/LC_MESSAGES/ldapsaisie.po
index 83f012d2..e477cd1b 100644
--- a/src/lang/fr_FR.UTF8/LC_MESSAGES/ldapsaisie.po
+++ b/src/lang/fr_FR.UTF8/LC_MESSAGES/ldapsaisie.po
@@ -8,7 +8,7 @@ msgstr ""
 "Project-Id-Version: LdapSaisie\n"
 "Report-Msgid-Bugs-To: \n"
 "POT-Creation-Date: \n"
-"PO-Revision-Date: 2021-08-25 18:02+0200\n"
+"PO-Revision-Date: 2021-08-26 19:59+0200\n"
 "Last-Translator: Benjamin Renard <brenard@zionetrix.net>\n"
 "Language-Team: LdapSaisie <ldapsaisie-users@lists.labs.libre-entreprise."
 "org>\n"
@@ -1099,48 +1099,48 @@ msgstr "Copier dans le presse-papier"
 msgid "Copied!"
 msgstr "Copié !"
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1504
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1532
 msgid "Connection"
 msgstr "Connexion"
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1524
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1552
 msgid "Recovery of your credentials"
 msgstr "Récupération de votre mot de passe"
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1533
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1561
 msgid "Please fill the identifier field to proceed recovery procedure"
 msgstr ""
 "Merci d'entrer votre identifiant pour poursuivre la procédure de récupération"
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1538
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1566
 msgid ""
 "An email has been sent to  %{mail}. Please follow the instructions on it."
 msgstr ""
 "Un e-mail vient de vous être envoyé à l'adresse %{mail}. Merci de suivre les "
 "indications qu'il contient."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1547
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1575
 msgid "Your new password has been sent to %{mail}."
 msgstr "Votre nouveau mot de passe vous a été envoyé à l'adresse %{mail}."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1717
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1745
 #: /home/brenard/dev/ldapsaisie_clean3/src/includes/routes.php:156
 #: /home/brenard/dev/ldapsaisie_clean3/src/includes/routes.php:467
 #: templates/default/select.tpl:29
 msgid "Refresh"
 msgstr "Rafraîchir"
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2811
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2839
 #: templates/default/select.tpl:20 templates/default/recoverpassword.tpl:17
 #: templates/default/login.tpl:16
 msgid "Level"
 msgstr "Niveau"
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2979
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3007
 msgid "LSsession : The constant '%{const}' is not defined."
 msgstr "LSsession : La constante '%{const}' n'est pas définie."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2982
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3010
 msgid ""
 "LSsession : The addon '%{addon}' support is uncertain. Verify system "
 "compatibility and the add-on configuration."
@@ -1148,53 +1148,53 @@ msgstr ""
 "LSsession : Le support de l'addon '%{addon}' est incertain. Vérifiez la "
 "compatibilité du système et la configuration de l'add-on."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2985
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3013
 msgid ""
 "LSsession : LDAP server's configuration data are invalid. Can't connect."
 msgstr ""
 "LSsession : Les données de configuration du serveur LDAP sont invalide. "
 "Impossible de s'y connecter."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2988
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3016
 msgid "LSsession : Failed to load LSobject type '%{type}' : unknon type."
 msgstr ""
 "LSsession : Impossible de charger le type d'LSobject '%{type}' : type "
 "inconnu."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2991
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3019
 msgid "LSsession : Failed to load LSclass '%{class}'."
 msgstr "LSsession : Impossible de charger la LSclass '%{class}'."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2994
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3022
 msgid "LSsession : Login or password incorrect."
 msgstr "LSsession : Identifiant ou mot de passe incorrects."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2997
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3025
 msgid "LSsession : Impossible to identify you : Duplication of identities."
 msgstr "LSsession : Impossible de vous identifier : Duplication d'identité."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3000
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3028
 msgid "LSsession : Can't load class of authentification (%{class})."
 msgstr ""
 "LSsession : Impossible de charger la classe d'authentification (%{class})."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3003
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3031
 msgid "LSsession : Can't connect to LDAP server."
 msgstr "LSsession : Impossible de se connecter au serveur LDAP."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3006
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3034
 msgid "LSsession : Impossible to authenticate you."
 msgstr "LSsession : Impossible de vous identifier."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3009
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3037
 msgid "LSsession : Your are not authorized to do this action."
 msgstr "LSsession : Vous n'êtes pas autorisé à faire cette action."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3012
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3040
 msgid "LSsession : Some informations are missing to display this page."
 msgstr "LSsession : Des informations sont manquant pour afficher cette page."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3015
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3043
 msgid ""
 "LSsession : The function '%{function}' of the custom action "
 "'%{customAction}' does not exists or is not configured."
@@ -1202,24 +1202,24 @@ msgstr ""
 "LSsession : La fonction '%{function}' de l'action personnalisée "
 "'%{customAction}' n'existe pas ou n'est pas configurée."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3018
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3046
 msgid "LSsession : Fail to retrieve user's LDAP credentials from LSauth."
 msgstr ""
 "LSsession : Erreur en récupérant les identifiants LDAP de l'utilisateur "
 "depuis LSauth."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3021
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3049
 msgid ""
 "LSsession : Fail to reconnect to LDAP server with user's LDAP credentials."
 msgstr ""
 "LSsession : Impossible de se reconnecter au serveur LDAP avec les "
 "identifiants de l'utilisateur."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3024
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3052
 msgid "LSsession : No import/export format define for this object type."
 msgstr "LSsession : Aucun format d'entrée/sortie définie pour ce type d'objet."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3027
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3055
 msgid ""
 "LSsession : Error during creation of list of levels. Contact administrators. "
 "(Code : %{code})"
@@ -1227,13 +1227,13 @@ msgstr ""
 "LSsession : Erreur durant la création de la liste des niveaux. Contacter les "
 "administrateurs. (Code : %{type})"
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3030
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3058
 msgid "LSsession : The password recovery is disabled for this LDAP server."
 msgstr ""
 "LSsession : La récupération de mot de passe est désactivée pour ce serveur "
 "LDAP."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3033
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3061
 msgid ""
 "LSsession : Some informations are missing to recover your password. Contact "
 "administrators."
@@ -1241,7 +1241,7 @@ msgstr ""
 "LSsession : Des informations sont manques pour pouvoir récupérer votre mot "
 "de passe. Contacter les administrateurs."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3036
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3064
 msgid ""
 "LSsession : Error during password recovery. Contact administrators.(Step : "
 "%{step})"
@@ -1249,7 +1249,7 @@ msgstr ""
 "LSsession : Erreur durant la récupération de votre mot de passe. Contacter "
 "les administrateurs. (Etape : %{step})"
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3039
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3067
 msgid ""
 "LSsession : The function '%{func}' configured for the view '%{view}' of the "
 "LSaddon '%{addon}' is not declared in the LSaddon file."
@@ -1257,11 +1257,11 @@ msgstr ""
 "LSsession : la fonction '%{func}' configurée pour la vue '%{view}' du "
 "LSaddon '%{addon}' n'est pas déclaré dans le fichier du LSaddon."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3042
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3070
 msgid "LSsession : Failed to load resource file '%{file}'."
 msgstr "LSsession : Impossible de charger le fichier de ressource '%{file}'."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3045
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3073
 msgid ""
 "LSsession : The function '%{func}' configured for the view '%{view}' of the "
 "LSaddon '%{addon}' doesn't exist."
@@ -1269,11 +1269,11 @@ msgstr ""
 "LSsession : la fonction '%{func}' configurée pour la vue '%{view}' du "
 "LSaddon '%{addon}' n'existe pas."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3048
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3076
 msgid "LSsession : invalid related object's DN pass in parameter."
 msgstr "LSsession : DN d'objet en relation incorrect dans les paramètres."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3051
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3079
 msgid ""
 "LSsession : the LSaddon %{addon} keep using old-style addon view URL. Please "
 "upgrade it."
@@ -1281,7 +1281,7 @@ msgstr ""
 "LSsession : le LSaddon %{addon} utilise toujours l'ancien type d'URL de "
 "vues. Merci de le mettre à jour."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3054
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3082
 msgid ""
 "LSsession : You have been redirect from an old-style URL %{url}. Please "
 "upgrade this link."
@@ -1289,7 +1289,7 @@ msgstr ""
 "LSsession : Vous avez été redirigé depuis une ancienne URL %{url}. Merci de "
 "le mettre à jour ce lien."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3057
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3085
 msgid ""
 "LSsession : You always seem to use %{old} in your custom code: Please "
 "upgrade it and use %{new}.<pre>\n"
@@ -1592,38 +1592,44 @@ msgstr ""
 "LSformRule_password : Regex invalide configurée : %{regex}. Vous devez "
 "utiliser des regex de type PCRE (commencant par le caractère '/')."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:582
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:612
 msgid "LSldap: Error during the LDAP server connection (%{msg})."
 msgstr "LSldap : Erreur durant la connexion au serveur LDAP (%{msg})."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:585
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:615
 msgid "LSldap: Error during the LDAP search (%{msg})."
 msgstr "LSldap : Erreur pendant la recherche LDAP (%{msg})."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:588
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:618
 msgid "LSldap: Object type unknown."
 msgstr "LSldap : Type d'objet inconnu."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:591
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:621
 msgid "LSldap: Error while fetching the LDAP entry."
 msgstr "LSldap : Erreur durant la récupération de l'entrée LDAP."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:594
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:624
 msgid "LSldap: Error while changing the LDAP entry (DN : %{dn})."
 msgstr "LSldap : Erreur durant la modification de l'entrée LDAP (DN : %{dn})."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:597
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:627
 msgid "LSldap: Error while deleting empty attributes."
 msgstr "LSldap : Erreur durant la suppression des attributs vides."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:600
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:630
 msgid "LSldap: Error while changing the DN of the object."
 msgstr "LSldap : Erreur pendant la modification du DN de l'objet."
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:603
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:633
 msgid "LSldap: LDAP server base DN not configured."
 msgstr "LSldap : Le base DN du serveur LDAP n'est pas configuré."
 
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:636
+msgid "LSldap: Fail to set authz proxy option on LDAP server connection."
+msgstr ""
+"LSldap : Une erreur est survenue en appliquant l'option d'authz proxy sur la "
+"connexion au serveur LDAP."
+
 #: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSformRule_ldapSearchURI.php:59
 msgid "Invalid LDAP server URI (%{uri})"
 msgstr "URI de serveur LDAP invalide (%{uri})"
diff --git a/src/lang/ldapsaisie.pot b/src/lang/ldapsaisie.pot
index 94ba9bda..5332c8fc 100644
--- a/src/lang/ldapsaisie.pot
+++ b/src/lang/ldapsaisie.pot
@@ -934,165 +934,165 @@ msgstr ""
 msgid "Copied!"
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1504
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1532
 msgid "Connection"
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1524
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1552
 msgid "Recovery of your credentials"
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1533
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1561
 msgid "Please fill the identifier field to proceed recovery procedure"
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1538
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1566
 msgid ""
 "An email has been sent to  %{mail}. Please follow the instructions on it."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1547
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1575
 msgid "Your new password has been sent to %{mail}."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1717
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:1745
 #: /home/brenard/dev/ldapsaisie_clean3/src/includes/routes.php:156
 #: /home/brenard/dev/ldapsaisie_clean3/src/includes/routes.php:467
 #: templates/default/select.tpl:29
 msgid "Refresh"
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2811
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2839
 #: templates/default/select.tpl:20 templates/default/recoverpassword.tpl:17
 #: templates/default/login.tpl:16
 msgid "Level"
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2979
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3007
 msgid "LSsession : The constant '%{const}' is not defined."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2982
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3010
 msgid ""
 "LSsession : The addon '%{addon}' support is uncertain. Verify system "
 "compatibility and the add-on configuration."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2985
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3013
 msgid ""
 "LSsession : LDAP server's configuration data are invalid. Can't connect."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2988
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3016
 msgid "LSsession : Failed to load LSobject type '%{type}' : unknon type."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2991
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3019
 msgid "LSsession : Failed to load LSclass '%{class}'."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2994
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3022
 msgid "LSsession : Login or password incorrect."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:2997
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3025
 msgid "LSsession : Impossible to identify you : Duplication of identities."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3000
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3028
 msgid "LSsession : Can't load class of authentification (%{class})."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3003
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3031
 msgid "LSsession : Can't connect to LDAP server."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3006
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3034
 msgid "LSsession : Impossible to authenticate you."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3009
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3037
 msgid "LSsession : Your are not authorized to do this action."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3012
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3040
 msgid "LSsession : Some informations are missing to display this page."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3015
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3043
 msgid ""
 "LSsession : The function '%{function}' of the custom action "
 "'%{customAction}' does not exists or is not configured."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3018
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3046
 msgid "LSsession : Fail to retrieve user's LDAP credentials from LSauth."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3021
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3049
 msgid ""
 "LSsession : Fail to reconnect to LDAP server with user's LDAP credentials."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3024
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3052
 msgid "LSsession : No import/export format define for this object type."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3027
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3055
 msgid ""
 "LSsession : Error during creation of list of levels. Contact administrators. "
 "(Code : %{code})"
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3030
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3058
 msgid "LSsession : The password recovery is disabled for this LDAP server."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3033
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3061
 msgid ""
 "LSsession : Some informations are missing to recover your password. Contact "
 "administrators."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3036
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3064
 msgid ""
 "LSsession : Error during password recovery. Contact administrators.(Step : "
 "%{step})"
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3039
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3067
 msgid ""
 "LSsession : The function '%{func}' configured for the view '%{view}' of the "
 "LSaddon '%{addon}' is not declared in the LSaddon file."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3042
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3070
 msgid "LSsession : Failed to load resource file '%{file}'."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3045
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3073
 msgid ""
 "LSsession : The function '%{func}' configured for the view '%{view}' of the "
 "LSaddon '%{addon}' doesn't exist."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3048
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3076
 msgid "LSsession : invalid related object's DN pass in parameter."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3051
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3079
 msgid ""
 "LSsession : the LSaddon %{addon} keep using old-style addon view URL. Please "
 "upgrade it."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3054
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3082
 msgid ""
 "LSsession : You have been redirect from an old-style URL %{url}. Please "
 "upgrade this link."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3057
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSsession.php:3085
 msgid ""
 "LSsession : You always seem to use %{old} in your custom code: Please "
 "upgrade it and use %{new}.<pre>\n"
@@ -1327,38 +1327,42 @@ msgid ""
 "(begining by '/' caracter)."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:582
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:612
 msgid "LSldap: Error during the LDAP server connection (%{msg})."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:585
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:615
 msgid "LSldap: Error during the LDAP search (%{msg})."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:588
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:618
 msgid "LSldap: Object type unknown."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:591
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:621
 msgid "LSldap: Error while fetching the LDAP entry."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:594
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:624
 msgid "LSldap: Error while changing the LDAP entry (DN : %{dn})."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:597
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:627
 msgid "LSldap: Error while deleting empty attributes."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:600
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:630
 msgid "LSldap: Error while changing the DN of the object."
 msgstr ""
 
-#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:603
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:633
 msgid "LSldap: LDAP server base DN not configured."
 msgstr ""
 
+#: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSldap.php:636
+msgid "LSldap: Fail to set authz proxy option on LDAP server connection."
+msgstr ""
+
 #: /home/brenard/dev/ldapsaisie_clean3/src/includes/class/class.LSformRule_ldapSearchURI.php:59
 msgid "Invalid LDAP server URI (%{uri})"
 msgstr ""