diff --git a/hosts/vm/nextcloud/nextcloud.nix b/hosts/vm/nextcloud/nextcloud.nix
index 0636726..e0e0bf1 100644
--- a/hosts/vm/nextcloud/nextcloud.nix
+++ b/hosts/vm/nextcloud/nextcloud.nix
@@ -20,7 +20,7 @@
 
     configureRedis = true;
     hostName = "nextcloud.crans.org";
-    https = false;
+    https = true;
 
     maxUploadSize = "4G";
 
@@ -42,10 +42,23 @@
         # hodaur
         "172.16.10.145"
       ];
-    };
 
+      mail_domain = "crans.org";
+      mail_from_address = "root";
+      mail_smtphost = "smtp.crans.org";
+      mail_smtpport = 25;
+    };
 
     appstoreEnable = true;
     extraAppsEnable = true;
   };
+
+  # Activation CORS pour récuppérer les agendas depuis le wiki
+  # TODO: à mettre que sur /remote.php/dav/public-calendars/ pour éviter des requêtes malveillantes depuis le wiki.
+  services.nginx.virtualHosts.${config.services.nextcloud.hostName}.extraConfig = ''
+    add_header 'Access-Control-Allow-Origin' 'https://mediawiki.crans.org' always;
+    add_header 'Access-Control-Allow-Methods' 'GET' always;
+    add_header 'Access-Control-Allow-Credentials' 'false' always;
+    add_header 'Vary' 'Origin' always;
+  '';
 }
diff --git a/modules/services/nginx.nix b/modules/services/nginx.nix
index b15423d..ec78fdd 100644
--- a/modules/services/nginx.nix
+++ b/modules/services/nginx.nix
@@ -6,5 +6,13 @@
     recommendedOptimisation = true;
 
     clientMaxBodySize = "512M";
+
+    # On trust nos ip internes pour bien indiquer le client au bout
+    # i.e. on considère pas le reverseproxy comme notre client
+    appendHttpConfig = ''
+      set_real_ip_from 172.16.0.0/16;
+      set_real_ip_from fd00::/56;
+      real_ip_header X-Real-Ip;
+    '';
   };
 }