diff --git a/base/base.nix b/base/base.nix
index b570e8e..54a51df 100644
--- a/base/base.nix
+++ b/base/base.nix
@@ -2,8 +2,7 @@
 
 {
   imports = [
-    ./networking.nix
-    ./services.nix
+    ./network-dns.nix
 
     # inclusion conditionnelle
     ./activation-manuelle/fail2ban.nix
diff --git a/base/network-dns.nix b/base/network-dns.nix
new file mode 100644
index 0000000..008c289
--- /dev/null
+++ b/base/network-dns.nix
@@ -0,0 +1,14 @@
+{ config, pkgs, ... }:
+
+{
+  # Définition des domaines utilisés lorsque un identifiant non-FQDN est donné (ping, nslookup)
+  networking = {
+    search = [
+      "dubronetwork.fr"
+      "prunetwork.fr"
+      "teleragno.fr"
+      "teleragno.net"
+    ];
+    dnsExtensionMechanism = true;
+  };
+}
diff --git a/base/networking.nix b/public/network-ipv6.nix
similarity index 68%
rename from base/networking.nix
rename to public/network-ipv6.nix
index 5763240..5b06a58 100644
--- a/base/networking.nix
+++ b/public/network-ipv6.nix
@@ -1,17 +1,6 @@
 { config, pkgs, ... }:
 
 {
-  # Définition des domaines utilisés lorsque un identifiant non-FQDN est donné (ping, nslookup)
-  networking = {
-    search = [
-      "dubronetwork.fr"
-      "prunetwork.fr"
-      "teleragno.fr"
-      "teleragno.net"
-    ];
-    dnsExtensionMechanism = true;
-  };
-
   # Utilisation d'adresse IPv6 temporaire
   
   ## https://blog.linitx.com/control-privacy-addressing-ipv6-linux/
diff --git a/public/public.nix b/public/public.nix
index 17a2e9e..662819e 100644
--- a/public/public.nix
+++ b/public/public.nix
@@ -5,7 +5,10 @@
     # installées systématiquement
     ./environment.nix
     ./localisation.nix
+    ./network-ipv6.nix
+    ./service-haveged.nix
     ./service-monitoring.nix
+    ./service-ssh.nix
 
     # commandées par config-generator
     ## option de configuration spécifique
diff --git a/public/service-haveged.nix b/public/service-haveged.nix
new file mode 100644
index 0000000..0d29e12
--- /dev/null
+++ b/public/service-haveged.nix
@@ -0,0 +1,12 @@
+{ config, pkgs, ... }:
+
+{
+  # Sécurité & Acces distant
+
+  ## Augmentation de l'entropie du système par un générateur de nombres aléatoires
+  ## cat /proc/sys/kernel/random/entropy_avail
+  services.haveged = {
+    enable = true;
+    refill_threshold = 2048;
+  };
+}
diff --git a/base/services.nix b/public/service-ssh.nix
similarity index 78%
rename from base/services.nix
rename to public/service-ssh.nix
index 1609c6c..f6d55cb 100644
--- a/base/services.nix
+++ b/public/service-ssh.nix
@@ -1,16 +1,7 @@
 { config, pkgs, ... }:
 
 {
-  # Sécurité & Acces distant
-
-  ## Augmentation de l'entropie du système par un générateur de nombres aléatoires
-  ## cat /proc/sys/kernel/random/entropy_avail
-  services.haveged = {
-    enable = true;
-    refill_threshold = 2048;
-  };
-
-  ## OpenSSH daemon
+  # OpenSSH daemon
   services.openssh = {
     enable = true;
     # https://wiki.mozilla.org/Security/Guidelines/OpenSSH#Modern_.28OpenSSH_6.7.2B.29