diff --git a/nixos/modules/services/web-apps/onlyoffice.nix b/nixos/modules/services/web-apps/onlyoffice.nix
index 0d0e01d4f7bc05..9246245bbc6c33 100644
--- a/nixos/modules/services/web-apps/onlyoffice.nix
+++ b/nixos/modules/services/web-apps/onlyoffice.nix
@@ -32,6 +32,12 @@ in
       description = "Port the OnlyOffice document server should listen on.";
     };
 
+    allowLocalConnections = lib.mkOption {
+      type = lib.types.bool;
+      default = false;
+      description = "If true, allows clients with LAN-range IPs to access your instance.";
+    };
+
     examplePort = lib.mkOption {
       type = lib.types.port;
       default = null;
@@ -222,6 +228,13 @@ in
             cp -r ${cfg.package}/etc/onlyoffice/documentserver/* /run/onlyoffice/config/
             chmod u+w /run/onlyoffice/config/default.json
 
+            #Allow LAN-range IPs if set true
+            ${lib.optionalString (cfg.allowLocalConnections) ''
+            sed -i 's/"allowPrivateIPAddress": false/"allowPrivateIPAddress": true/' /run/onlyoffice/config/default.json
+            sed -i 's/"allowMetaIPAddress": false/"allowMetaIPAddress": true/' /run/onlyoffice/config/default.json
+            ''}
+
+
             # Allow members of the onlyoffice group to serve files under /var/lib/onlyoffice/documentserver/App_Data
             chmod g+x /var/lib/onlyoffice/documentserver