diff --git a/gestion/gen_confs/firewall4.py b/gestion/gen_confs/firewall4.py
index 57bf1c61..ace85c46 100755
--- a/gestion/gen_confs/firewall4.py
+++ b/gestion/gen_confs/firewall4.py
@@ -100,20 +100,7 @@ class firewall_base(object) :
         if not chain:
             for chain in self.chain_list[table]:
                 self.delete(table, chain)
-        self.clear(table, chain)
 
-    def flush(self, table=None, chain=None):
-        if not table:
-            for table in tables:
-                self.flush(table, chain)
-        if not chain:
-            for chain in self.chain_list[table]:
-                self.flush(table, chain)
-        self.clear(table, chain)
-        self.chain_list[table].append(chain)
-        self.rules_list[table][chain]=[]
-
-    def clear(self, table, chain):
         if not chain in self.chain_list[table]:
             return
         if not chain in default_chains:
@@ -122,7 +109,18 @@ class firewall_base(object) :
         else:
             self.rules_list[table][chain]=[]
 
-    def restore(self, noflush=False, table=None, chains=[]):
+    def flush(self, table=None, chain=None):
+        if not table:
+            for table in tables:
+                self.flush(table, chain)
+        if not chain:
+            for chain in self.chain_list[table]:
+                self.flush(table, chain)
+        if not chain in self.chain_list[table]:
+            self.chain_list[table].append(chain)
+        self.rules_list[table][chain]=[]
+
+    def restore(self, table=None, chains=[], noflush=False):
         str=self.format(chains)
         f=open('/tmp/ipt_rules', 'w')
         f.write(str)