diff --git a/main.py b/main.py
index 1b2c646..fa45c78 100755
--- a/main.py
+++ b/main.py
@@ -119,6 +119,12 @@ class iptables:
         if mode == 'all' or mode == '6':
             self.add(chain + '6', "-A " + subchainA + " -i " + interface + " -j " + subchainB)
 
+    def jump_trafic_from_source(self, chain, ip_source, subchainA, subchainB, mode='all'):
+        if mode == 'all' or mode == '4':
+            self.add(chain + '4', "-A " + subchainA + " -s " + ip_source + " -j " + subchainB)
+        if mode == 'all' or mode == '6':
+            self.add(chain + '6', "-A " + subchainA + " -i " + ip_source + " -j " + subchainB)
+
     def jump_traficto(self, chain, interface, subchainA, subchainB, mode='all'):
         if mode == 'all' or mode == '4':
             self.add(chain + '4', "-A " + subchainA + " -o " + interface + " -j " + subchainB)
@@ -189,7 +195,6 @@ class iptables:
                 if self.verbose:
                     print("Nat : priv" + nat_to_do['name'])
                 self.nat_prive_ip(nat_to_do)
-            self.jump_all_trafic("nat", "POSTROUTING", "MASQUERADE")
 
     def routeur(self, table):
         """Methode appellée spécifiquement pour le parefeu v4/v6"""
@@ -635,6 +640,10 @@ class iptables:
                 rule += '-s ' + ip_source + ' -j SNAT --to-source ' + ip_to_nat
                 self.add_in_subtable("nat4", subtable, rule)
 
+        if "masquerade" in nat_type:
+            for ip_source in nat_type["masquerade"]:
+                pass  # self.jump_trafic_from_source('nat', ip_source, 'POSTROUTING', 'MASQUERADE', '4')
+
     def gen_mangle(self, empty=False):
         """Génération de la chaine mangle"""
         self.init_mangle("PREROUTING")