diff --git a/addons/users_ldap/users_ldap.py b/addons/users_ldap/users_ldap.py
index e4fec6a391f..eb1be3b85f1 100644
--- a/addons/users_ldap/users_ldap.py
+++ b/addons/users_ldap/users_ldap.py
@@ -37,14 +37,15 @@ class CompanyLDAP(osv.osv):
             ondelete='cascade'),
         'ldap_server': fields.char('LDAP Server address', size=64, required=True),
         'ldap_server_port': fields.integer('LDAP Server port', required=True),
-        'ldap_binddn': fields.char('LDAP binddn', size=64, required=True),
-        'ldap_password': fields.char('LDAP password', size=64, required=True),
+        'ldap_binddn': fields.char('LDAP binddn', size=64),
+        'ldap_password': fields.char('LDAP password', size=64),
         'ldap_filter': fields.char('LDAP filter', size=64, required=True),
         'ldap_base': fields.char('LDAP base', size=64, required=True),
         'user': fields.many2one('res.users', 'Model User',
             help="Model used for user creation"),
         'create_user': fields.boolean('Create user',
             help="Create the user if not in database"),
+        'anonymous': fields.boolean('Anonymous bind'),
     }
     _defaults = {
         'ldap_server': lambda *a: '127.0.0.1',
@@ -75,14 +76,15 @@ class users(osv.osv):
         action_obj = pool.get('ir.actions.actions')
         cr.execute("""
             SELECT id, company, ldap_server, ldap_server_port, ldap_binddn, ldap_password,
-                   ldap_filter, ldap_base, "user", create_user
+                   ldap_filter, ldap_base, "user", create_user, anonymous
             FROM res_company_ldap
-            WHERE ldap_server != '' and ldap_binddn != '' ORDER BY sequence""")
+            WHERE ldap_server != '' and anonymous = TRUE or ldap_binddn != '' ORDER BY sequence""")
         for res_company_ldap in cr.dictfetchall():
             logger.debug(res_company_ldap)
             try:
                 l = ldap.open(res_company_ldap['ldap_server'], res_company_ldap['ldap_server_port'])
-                if l.simple_bind_s(res_company_ldap['ldap_binddn'], res_company_ldap['ldap_password']):
+                if (res_company_ldap['anonymous'] or
+                    l.simple_bind_s(res_company_ldap['ldap_binddn'], res_company_ldap['ldap_password'])):
                     base = res_company_ldap['ldap_base']
                     scope = ldap.SCOPE_SUBTREE
                     filter = filter_format(res_company_ldap['ldap_filter'], (login,))
@@ -150,8 +152,9 @@ class users(osv.osv):
             for res_company_ldap in user.company_id.ldaps:
                 try:
                     l = ldap.open(res_company_ldap.ldap_server, res_company_ldap.ldap_server_port)
-                    if l.simple_bind_s(res_company_ldap.ldap_binddn,
-                            res_company_ldap.ldap_password):
+                    if (res_company_ldap.anonymous or
+                        l.simple_bind_s(res_company_ldap.ldap_binddn,
+                            res_company_ldap.ldap_password)):
                         base = res_company_ldap.ldap_base
                         scope = ldap.SCOPE_SUBTREE
                         filter = filter_format(res_company_ldap.ldap_filter, (user.login,))
diff --git a/addons/users_ldap/users_ldap_view.xml b/addons/users_ldap/users_ldap_view.xml
index b055ef2938d..47d5f41fd75 100644
--- a/addons/users_ldap/users_ldap_view.xml
+++ b/addons/users_ldap/users_ldap_view.xml
@@ -12,8 +12,16 @@
                         <form string="LDAP Configuration">
                             <field name="ldap_server"/>
                             <field name="ldap_server_port"/>
-                            <field name="ldap_binddn"/>
-                            <field name="ldap_password"/>
+                            <field name="ldap_binddn" attrs="{
+				   'required': [('anonymous', '!=', True)],
+				   'readonly': [('anonymous', '=', True)],
+				   }"/>
+                            <field name="ldap_password" attrs="{
+				   'required': [('anonymous', '!=', True)],
+				   'readonly': [('anonymous', '=', True)],
+				   }"/>
+                            <field name="anonymous"/>
+			    <newline/>
                             <field name="ldap_base"/>
                             <field name="ldap_filter"/>
                             <field name="create_user"/>