diff --git a/systems/LoutreOS/configuration.nix b/systems/LoutreOS/configuration.nix
index 588f0bf..a35b7b2 100644
--- a/systems/LoutreOS/configuration.nix
+++ b/systems/LoutreOS/configuration.nix
@@ -87,6 +87,7 @@
   # Enable the OpenSSH daemon.
   services.openssh.enable = true;
   services.openssh.permitRootLogin = "no";
+  services.openssh.passwordAuthentication = false;
 
   networking.firewall.allowedTCPPorts = [  ];
   networking.firewall.allowedUDPPorts = [  ];
diff --git a/systems/LoutreOS/services.nix b/systems/LoutreOS/services.nix
index 159ad77..adbe047 100644
--- a/systems/LoutreOS/services.nix
+++ b/systems/LoutreOS/services.nix
@@ -300,6 +300,14 @@ in
     };
   };
 
+  services.borgbackup.repos = {
+    diskstation = {
+      authorizedKeys = [ "ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDllbxON66dBju7sMnhX8/E0VRo3+PDYvDsHP0/FK+h8JHol4+pouLmI7KIDKYOJmSuom283OqnyZOMqk+RShTwWIFm9hOd2R9aj45Zrd9jPW2APOCec/Epgogj0bwBnc0l2v6qxkxaBMgL5DnAQ+E00uvL1UQpK8c8j4GGiPlkWJD6Kf+pxmnfH1TIm+J2XCwl0oeCkSK/Frd8eM+wCraMSzoaGiEcfMz2jK8hxDWjDxX7epU0ELF22BVCuyN8cYRoFTnV88E38PlaqsOqD5ePkxk425gDh7j/C06f8QKgnasVH2diixo92kYSd7i/RmfeXDDwAD5xqUvODczEuIdt root@DiskStation" ];
+      path = "/mnt/backup_loutre/diskstation_borg";
+      user = "synology";
+    };
+  };
+
   services.gitea = {
     enable = true;
     cookieSecure = true;
diff --git a/systems/LoutreOS/users.nix b/systems/LoutreOS/users.nix
index cb68928..820812d 100644
--- a/systems/LoutreOS/users.nix
+++ b/systems/LoutreOS/users.nix
@@ -22,15 +22,15 @@
     };
 
     claire = {
-      uid = 1002;
       isNormalUser = true;
+      hashedPassword = "$6$Mu47EjsbNTewDkRp$XeQh6rcdvb3BUXzsGqekKImLTrMgnN0VyERoSbpI4rMPlx8oHM9NNeHZtfIiLEaZGtQ9otnbLa54jYse5Iwev1";
       description = "Claire TREHIOU";
     };
 
     synology = {
       uid = 1001;
       isNormalUser = true;
-      description = "Synology backup user";
+      description = "Synology Diskstation maison";
     };
   };