diff --git a/Base/utils.xml b/Base/utils.xml
index 5b09eb6..dfe71f7 100644
--- a/Base/utils.xml
+++ b/Base/utils.xml
@@ -7,6 +7,9 @@
     <Group name="squeeze">
       <Package name="emacs23-nox"/>
     </Group>
+    <Group name="wheezy">
+      <Package name="emacs23-nox"/>
+    </Group>
     <Package name="darcs"/>
     <Package name="di"/>
     <Package name="emacs-goodies-el"/>
diff --git a/Metadata/groups.xml b/Metadata/groups.xml
index f978a44..524704d 100644
--- a/Metadata/groups.xml
+++ b/Metadata/groups.xml
@@ -193,7 +193,7 @@
 
   <Group name="thot"
       profile="true">
-    <Group name="crans-squeeze"/>
+    <Group name="crans-wheezy"/>
     <Group name="rsyslog-server"/>
     <Group name="pgsql-server"/>
     <Group name="sqlgrey-localdb"/>
@@ -432,6 +432,7 @@
   <Group name="sid" category="debian-version"/>
   <Group name="etch" category="debian-version"/>
   <Group name="squeeze" category="debian-version"/>
+  <Group name="wheezy" category="debian-version"/>
 
   <Group name="non-free" />
 
@@ -497,6 +498,14 @@
     <Group name="ntp"/>
   </Group>
 
+  <Group name="crans-wheezy" profile="true" public="true"
+     comment="profile minimal pour wheezy">
+    <Group name="crans-common"/>
+    <Group name="wheezy"/>
+    <Group name="nss-ldapd"/>
+    <Group name="ntp"/>
+  </Group>
+
   <Group name="crans-dom0-squeeze" public="true"
          comment="groupe crans pour un dom0 sous squeeze">
     <Group name="crans"/>
diff --git a/Python/etc/monit/services b/Python/etc/monit/services
index 218a78f..56bcfcc 100644
--- a/Python/etc/monit/services
+++ b/Python/etc/monit/services
@@ -62,14 +62,9 @@ service("backuppc-server",
         pidf="backuppc/BackupPC")
 
 # bind's pidfile has changed on squeeze
-if has("squeeze"):
-    service("bind",
-            init="bind9",
-            pidf="named/named")
-else:
-    service("bind",
-            init="bind9",
-            pidf="bind/run/named")
+service("bind",
+        init="bind9",
+        pidf="named/named")
 
 service("cups",
         pidf="cups/cupsd")
@@ -216,6 +211,12 @@ if hostname in ['routeur']:
     @    stop program = "/etc/init.d/gunicorn stop"
     @    if 5 restarts within 5 cycles then timeout
     @
+    @# igmpproxy
+    @check process igmpproxy with pidfile /var/run/igmpproxy.pid
+    @    start program = "/etc/init.d/igmpproxy start"
+    @    stop program = "/etc/init.d/igmpproxy stop"
+    @    if 5 restarts within 5 cycles then timeout
+    @
 if hostname in ['routeur', 'komaz']:
     @# nginx
     @check process nginx with pidfile /var/run/nginx.pid
@@ -265,7 +266,7 @@ for line in metadata.Probes["fstab_local"].splitlines():
     comment("partition %s" % mntpoint)
 
     # on vérifie le filesystem directement pour les volumes lvm
-    if fs.startswith('/dev/mapper') and has("squeeze"):
+    if fs.startswith('/dev/mapper'):
         print 'check filesystem fs%s with path %s' % (mntpoint, mntpoint)
     else:
         print 'check device fs%s with path %s' % (mntpoint, fs)
diff --git a/Python/etc/network/interfaces b/Python/etc/network/interfaces
index c7d2bd7..3fd1ee4 100644
--- a/Python/etc/network/interfaces
+++ b/Python/etc/network/interfaces
@@ -166,8 +166,6 @@ def pub6(interface, mode = 'serveur'):
     print """iface %(interface)s inet6 static
     address %(ip6)s
     netmask 64""" % { 'interface': interface, 'ip6': pubip6(interface) }
-    if not has("squeeze"):
-        print '    pre-up /sbin/modprobe ipv6'
     if mode == 'serveur':
         print '    gateway fe80::219:bbff:fe31:3b80'
     elif mode == 'routeur':
@@ -178,8 +176,6 @@ def adm6(interface):
     print """iface %(interface)s inet6 static
     address %(ip6)s
     netmask 64""" % { 'interface': interface, 'ip6': admip6(interface) }
-    if not has("squeeze"):
-        print '    pre-up /sbin/modprobe ipv6'
     print
 
 Probe_Mac = metadata.Probes["mac"].split('\n')
diff --git a/Python/etc/postfix/main.cf b/Python/etc/postfix/main.cf
index 26c2cc2..058c67e 100644
--- a/Python/etc/postfix/main.cf
+++ b/Python/etc/postfix/main.cf
@@ -192,10 +192,7 @@ if not mx:
 @# TLS pour la reception
 smtpd_tls_cert_file = "/etc/ssl/certs/smtp.pem"
 smtpd_tls_key_file = "/etc/ssl/private/smtp.pem"
-if not has("squeeze"):
-    smtpd_tls_CAfile = "/etc/ssl/certs/root.pem"
-else:
-    smtpd_tls_CAfile = "/etc/ssl/certs/cacert.org.pem"
+smtpd_tls_CAfile = "/etc/ssl/certs/cacert.org.pem"
 smtpd_tls_loglevel = 0
 smtpd_use_tls = True
 smtpd_tls_received_header = True
@@ -203,10 +200,7 @@ smtpd_tls_received_header = True
 @# On utilise aussi TLS pour envoyer les mails
 smtp_tls_cert_file = ""
 smtp_tls_key_file = ""
-if not has("squeeze"):
-    smtp_tls_CAfile = "/etc/ssl/certs/root.pem"
-else:
-    smtp_tls_CAfile = "/etc/ssl/certs/cacert.org.pem"
+smtp_tls_CAfile = "/etc/ssl/certs/cacert.org.pem"
 smtp_tls_loglevel = 1
 smtp_use_tls = True