diff --git a/ubuntu-et-variantes-integrdom.sh b/ubuntu-et-variantes-integrdom.sh
index aae4440..9d80f83 100644
--- a/ubuntu-et-variantes-integrdom.sh
+++ b/ubuntu-et-variantes-integrdom.sh
@@ -309,11 +309,24 @@ Auth:
 ########################################################################
  
 if [ "$DISTRIB_RELEASE" = "20.04" ] || [ "$DISTRIB_RELEASE" = "20" ] ; then 
-echo "[open_ldap]
-nss_passwd=passwd:  files ldap
-nss_group=group: files ldap
-nss_shadow=shadow: files ldap
-nss_netgroup=netgroup: nis
+echo "# pre_auth-client-config # passwd:         compat systemd
+passwd:  files ldap
+# pre_auth-client-config # group:          compat systemd
+group: files ldap
+# pre_auth-client-config # shadow:         compat
+shadow: files ldap
+gshadow:        files
+
+hosts:          files mdns4_minimal [NOTFOUND=return] dns myhostname
+networks:       files
+
+protocols:      db files
+services:       db files
+ethers:         db files
+rpc:            db files
+
+# pre_auth-client-config # netgroup:       nis
+netgroup: nis
 " > /etc/nsswitch.conf
 else
 echo "[open_ldap]