diff --git a/Core/Frameworks/Baikal/Core/Server.php b/Core/Frameworks/Baikal/Core/Server.php
index 957cac3..fcc2e3c 100644
--- a/Core/Frameworks/Baikal/Core/Server.php
+++ b/Core/Frameworks/Baikal/Core/Server.php
@@ -133,6 +133,8 @@ class Server {
 
         if ($this->authType === 'Basic') {
             $authBackend = new \Baikal\Core\PDOBasicAuth($this->pdo, $this->authRealm);
+        } elseif ($this->authType === 'LDAP-UserBind') {
+            $authBackend = new \Baikal\Core\LDAPUserBindAuth($this->pdo, $this->authRealm);
         } else {
             $authBackend = new \Sabre\DAV\Auth\Backend\PDO($this->pdo);
             $authBackend->setRealm($this->authRealm);
diff --git a/Core/Frameworks/Baikal/Model/Config/Standard.php b/Core/Frameworks/Baikal/Model/Config/Standard.php
index 2e07f44..948b5be 100644
--- a/Core/Frameworks/Baikal/Model/Config/Standard.php
+++ b/Core/Frameworks/Baikal/Model/Config/Standard.php
@@ -46,6 +46,22 @@ class Standard extends \Baikal\Model\Config {
             "type"    => "string",
             "comment" => "HTTP authentication type for WebDAV; default Digest"
         ],
+        "BAIKAL_DAV_LDAP_URI" => [
+            "type" => "string",
+            "comment" => "URI to LDAP Server (for ldap-userbind auth); default ldapi:///"
+        ],
+        "BAIKAL_DAV_LDAP_DN_TEMPLATE" => [
+            "type" => "string",
+            "comment" => "User DN for bind; with replacments %n => username, %u => user part, %d => domain part of username"
+        ],
+        "BAIKAL_DAV_LDAP_DISPLAYNAME_ATTR" => [
+            "type" => "string",
+            "comment" => "LDAP-attribute for displayname; default cn"
+        ],
+        "BAIKAL_DAV_LDAP_EMAIL_ATTR" => [
+            "type" => "string",
+            "comment" => "LDAP-attribute for email; default mail"
+        ],
         "BAIKAL_ADMIN_PASSWORDHASH" => [
             "type"    => "string",
             "comment" => "Baïkal Web admin password hash; Set via Baïkal Web Admin",
@@ -58,6 +74,10 @@ class Standard extends \Baikal\Model\Config {
         "BAIKAL_CARD_ENABLED"       => true,
         "BAIKAL_CAL_ENABLED"        => true,
         "BAIKAL_DAV_AUTH_TYPE"      => "Digest",
+        "BAIKAL_DAV_LDAP_URI"              => "ldapi:///",
+        "BAIKAL_DAV_LDAP_DN_TEMPLATE"      => "uid=%n,dc=example,dc=com",
+        "BAIKAL_DAV_LDAP_DISPLAYNAME_ATTR" => "cn",
+        "BAIKAL_DAV_LDAP_EMAIL_ATTR"       => "mail",
         "BAIKAL_ADMIN_PASSWORDHASH" => ""
     ];
 
@@ -85,7 +105,31 @@ class Standard extends \Baikal\Model\Config {
         $oMorpho->add(new \Formal\Element\Listbox([
             "prop"    => "BAIKAL_DAV_AUTH_TYPE",
             "label"   => "WebDAV authentication type",
-            "options" => ["Digest", "Basic"]
+            "options" => ["Digest", "Basic", "LDAP-UserBind"]
+        ]));
+
+        $oMorpho->add(new \Formal\Element\Text([
+            "prop"  => "BAIKAL_DAV_LDAP_URI",
+            "label" => "LDAP URI"
+        ]));
+
+        $oMorpho->add(new \Formal\Element\Text([
+            "prop"    => "BAIKAL_DAV_LDAP_DN_TEMPLATE",
+            "label"   => "LDAP DN template",
+            "popover" => [
+                "title"   => "posible placeholder",
+                "content" => "<strong>%n</strong> - username<br /><strong>%u</strong> - user part of username , when it is an email address)<br /><strong>%d</strong> - domain part",
+            ]
+        ]));
+
+        $oMorpho->add(new \Formal\Element\Text([
+            "prop"  => "BAIKAL_DAV_LDAP_DISPLAYNAME_ATTR",
+            "label" => "LDAP attribute for DisplayName"
+        ]));
+
+        $oMorpho->add(new \Formal\Element\Text([
+            "prop"  => "BAIKAL_DAV_LDAP_EMAIL_ATTR",
+            "label" => "LDAP attribute for eMail"
         ]));
 
         $oMorpho->add(new \Formal\Element\Password([
@@ -180,6 +224,21 @@ define("BAIKAL_CAL_ENABLED", TRUE);
 # WebDAV authentication type; default Digest
 define("BAIKAL_DAV_AUTH_TYPE", "Digest");
 
+# Auth Backend LDAP-UserBind; LDAP URI
+define("BAIKAL_DAV_LDAP_URI", 'ldapi:///');
+
+# Auth Backend LDAP-UserBind; Template for userbind
+# %n => username
+# %u => user part of username when it is an email
+# %u => domain part of username when it is an email
+define("BAIKAL_DAV_LDAP_DN_TEMPLATE", 'cn=%u,dc=%d,ou=domains,o=server');
+
+# Auth Backend LDAP-UserBind; attribute for displayname
+define("BAIKAL_DAV_LDAP_DISPLAYNAME_ATTR", 'cn');
+
+# Auth Backend LDAP-UserBind; attribute for email
+define("BAIKAL_DAV_LDAP_EMAIL_ATTR", 'mail');
+
 # Baïkal Web admin password hash; Set via Baïkal Web Admin
 define("BAIKAL_ADMIN_PASSWORDHASH", "");
 CODE;