--- distrib/cntlm.conf	2015-09-21 10:45:51.000000000 +0200
+++ modif/cntlm.conf	2015-10-12 11:06:48.712017000 +0200
@@ -15,7 +15,11 @@
 #Workstation    netbios_hostname    # Should be auto-guessed
 
 %if %%mode_conteneur_actif == 'non'
-  %set %%proxy_link = 'adresse_ip_eth1'
+  %if %%nombre_interfaces == '1'
+    %set %%proxy_link = 'adresse_ip_eth0'
+  %else
+    %set %%proxy_link = 'adresse_ip_eth1'
+  %end if
 %elif %%getVar('test_activer_proxy_eth0', 'non') == 'oui'
   %set %%proxy_link = 'adresse_ip_eth0_proxy_link'
 %else