diff --git a/hosts/vm/coturn/coturn.nix b/hosts/vm/coturn/coturn.nix
index 6f45b86..4a516df 100644
--- a/hosts/vm/coturn/coturn.nix
+++ b/hosts/vm/coturn/coturn.nix
@@ -28,6 +28,28 @@
       verbose
       # ban private IP ranges
       no-multicast-peers
+      denied-peer-ip=0.0.0.0-0.255.255.255
+      denied-peer-ip=10.0.0.0-10.255.255.255
+      denied-peer-ip=100.64.0.0-100.127.255.255
+      denied-peer-ip=127.0.0.0-127.255.255.255
+      denied-peer-ip=169.254.0.0-169.254.255.255
+      denied-peer-ip=172.16.0.0-172.31.255.255
+      denied-peer-ip=192.0.0.0-192.0.0.255
+      denied-peer-ip=192.0.2.0-192.0.2.255
+      denied-peer-ip=192.88.99.0-192.88.99.255
+      denied-peer-ip=192.168.0.0-192.168.255.255
+      denied-peer-ip=198.18.0.0-198.19.255.255
+      denied-peer-ip=198.51.100.0-198.51.100.255
+      denied-peer-ip=203.0.113.0-203.0.113.255
+      denied-peer-ip=240.0.0.0-255.255.255.255
+      denied-peer-ip=::1
+      denied-peer-ip=64:ff9b::-64:ff9b::ffff:ffff
+      denied-peer-ip=::ffff:0.0.0.0-::ffff:255.255.255.255
+      denied-peer-ip=100::-100::ffff:ffff:ffff:ffff
+      denied-peer-ip=2001::-2001:1ff:ffff:ffff:ffff:ffff:ffff:ffff
+      denied-peer-ip=2002::-2002:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+      denied-peer-ip=fc00::-fdff:ffff:ffff:ffff:ffff:ffff:ffff:ffff
+      denied-peer-ip=fe80::-febf:ffff:ffff:ffff:ffff:ffff:ffff:ffff
     '';
   };
 
@@ -39,6 +61,7 @@
       };
     in
     {
+      enable = true;
       allowedUDPPortRanges = range;
       allowedUDPPorts = [ 3478 5349 ];
       allowedTCPPortRanges = range;
diff --git a/hosts/vm/coturn/livekit.nix b/hosts/vm/coturn/livekit.nix
index 97a295b..797a85b 100644
--- a/hosts/vm/coturn/livekit.nix
+++ b/hosts/vm/coturn/livekit.nix
@@ -59,9 +59,9 @@ in
     in
     {
       allowedUDPPortRanges = range;
-      allowedUDPPorts = [ 8100 8101 8102 ];
+      allowedUDPPorts = [ 80 443 8100 8101 8102 ];
       allowedTCPPortRanges = range;
-      allowedTCPPorts = [ 8100 8101 8102 ];
+      allowedTCPPorts = [ 80 443 8100 8101 8102 ];
     };
 
   users.users.livekit.extraGroups = [ "turnserver" ];
@@ -105,6 +105,14 @@ in
 
     locations."~ /(get_token|healthz|sfu/get)" = {
       proxyPass = "http://localhost:${toString config.services.lk-jwt-service.port}";
+
+      # TODO : Restrict CORS or study issues
+      extraConfig = ''
+        add_header 'Access-Control-Allow-Methods' 'GET' always;
+        add_header 'Access-Control-Allow-Methods' 'OPTIONS' always;
+        add_header 'Access-Control-Allow-Credentials' 'false' always;
+        add_header 'Vary' 'Origin' always;
+      '';
     };
 
     locations."/" = {
diff --git a/hosts/vm/coturn/service.nix b/hosts/vm/coturn/service.nix
index 8929bfe..e48420e 100644
--- a/hosts/vm/coturn/service.nix
+++ b/hosts/vm/coturn/service.nix
@@ -11,7 +11,7 @@ let
   format = pkgs.formats.json { };
   settings = lib.filterAttrsRecursive (_: v: v != null) cfg.settings;
 
-  isLocallyDistributed = config.services.livekit.ingress.enable;
+  isLocallyDistributed = cfg.ingress.enable;
 in
 {
   options.services.livekit' = {
diff --git a/hosts/vm/reverseproxy/reverseproxy.nix b/hosts/vm/reverseproxy/reverseproxy.nix
index c262998..94f5b1e 100644
--- a/hosts/vm/reverseproxy/reverseproxy.nix
+++ b/hosts/vm/reverseproxy/reverseproxy.nix
@@ -330,9 +330,18 @@ in
   services.nginx.virtualHosts = {
     "www-alias-crans.org".default = true;
 
-    "_crans-org".locations = {
-      "/_matrix/".proxyPass = "https://matrix.crans.org/_matrix/";
-      "/_synapse/".proxyPass = "https://matrix.crans.org/_synapse/";
+    "_crans-org" = {
+      locations = {
+        "/_matrix/".proxyPass = "https://matrix.crans.org/_matrix/";
+        "/_synapse/".proxyPass = "https://matrix.crans.org/_synapse/";
+        "/.well-known/matrix/".extraConfig = ''
+          add_header 'Access-Control-Allow-Origin' '*' always;
+          add_header 'Access-Control-Allow-Methods' 'GET' always;
+          add_header 'Access-Control-Allow-Credentials' 'false' always;
+          add_header 'Vary' 'Origin' always;
+        '';
+      };
     };
   };
+  
 }