diff --git a/lib/client/config.js b/lib/client/config.js
index 06b1a621..32f9bde8 100644
--- a/lib/client/config.js
+++ b/lib/client/config.js
@@ -14,6 +14,8 @@ var CloudCmd, Util, DOM, io;
             Dialog      = DOM.Dialog,
             Images      = DOM.Images,
             Events      = DOM.Events,
+            Files       = DOM.Files,
+            
             showLoad    = function() {
                 Images.show.load('top');
             },
@@ -62,6 +64,8 @@ var CloudCmd, Util, DOM, io;
                     'reconnection limit'        : FIVE_SECONDS
                 });
                 
+                auth(socket);
+                
                 socket.on('connect', function() {
                     Config.save = save;
                 });
@@ -88,13 +92,28 @@ var CloudCmd, Util, DOM, io;
             }
         }
         
+        function auth(socket) {
+            Files.get('config', function(error, config) {
+                if (error)
+                    return Dialog.alert(TITLE, error);
+                
+                if (config.auth) {
+                    socket.emit('auth', config.username, config.password);
+                    
+                    socket.on('auth', function() {
+                        Dialog.alert(TITLE, 'Wrong credentials!');
+                    });
+                }
+            });
+        }
+        
         Config.save             = saveHttp;
         
         this.show               = function() {
             var prefix  = CloudCmd.PREFIX,
                 exec    = Util.exec,
                 funcs   = [
-                    exec.with(DOM.Files.get, 'config-tmpl'),
+                    exec.with(Files.get, 'config-tmpl'),
                     exec.with(DOM.load.parallel, [
                         prefix + '/css/config.css',
                         prefix + '/lib/client/input.js'
@@ -111,7 +130,7 @@ var CloudCmd, Util, DOM, io;
             if (!Template)
                 Template = template;
             
-            DOM.Files.get('config', function(error, config) {
+            Files.get('config', function(error, config) {
                 var data, inputs, inputFirst,
                     focus, obj;
                 
diff --git a/lib/cloudcmd.js b/lib/cloudcmd.js
index db96e8a3..5c8b3698 100644
--- a/lib/cloudcmd.js
+++ b/lib/cloudcmd.js
@@ -110,6 +110,8 @@
         var size = cloudfunc.MAX_SIZE,
             pref = getPrefix(prefix);
         
+        config.listen(socket, authCheck);
+        
         webconsole({
             socket: socket,
             prefix: pref + '/console',
@@ -163,9 +165,7 @@
                 logout,
                 setUrl(prefix),
                 auth(),
-                config.middle({
-                    socket: socket,
-                }),
+                config.middle,
                 restafary({
                     prefix  : cloudfunc.apiURL + '/fs',
                     root    : root
diff --git a/lib/server/config.js b/lib/server/config.js
index 777b9777..16909db7 100644
--- a/lib/server/config.js
+++ b/lib/server/config.js
@@ -19,6 +19,7 @@
         jonny       = require('jonny'),
         readjson    = require('readjson'),
         tryCatch    = require('try-catch'),
+        exec        = require('execon'),
         HOME        = require('os-homedir')(),
         
         apiURL      = CloudFunc.apiURL,
@@ -47,11 +48,15 @@
         
     module.exports          = manage;
     module.exports.save     = save;
-    module.exports.middle   = function(options) {
-        var o = options || {};
+    module.exports.middle   = middle;
+    module.exports.listen   = function(socket, authCheck) {
+        if (!socket)
+            throw Error('socket could not be empty!');
         
-        if (o.socket)
-            socket(o.socket);
+        if (authCheck && typeof authCheck !== 'function')
+            throw Error('authCheck should be function!');
+        
+        listen(socket, authCheck);
         
         return middle;
     };
@@ -79,38 +84,44 @@
             callback(Error('Config is empty!'));
     }
     
-    function socket(sock) {
-        check([sock], ['socket']);
-        
+    function listen(sock, authCheck) {
         sock.of('/config')
             .on('connection', function(socket) {
-                socket.emit('config', config);
+                var connect = exec.with(connection, socket);
                 
-                socket.on('message', function(json) {
-                    var data,
-                        is = Util.type.object(json);
-                    
-                    if (!is) {
-                        socket.emit('err', 'Error: Wrong data type!');
-                    } else {
-                        cryptoPass(json);
-                        
-                        data = traverse(json);
-                        
-                        save(function(error) {
-                            if (error) {
-                                socket.emit('err', error.message);
-                            } else {
-                                socket.broadcast.send(json);
-                                socket.send(json);
-                                socket.emit('log', data);
-                            }
-                        });
-                    }
+                exec.if(!manage('auth'), connect, function(fn) {
+                    authCheck(socket, fn);
                 });
             });
     }
     
+    function connection(socket) {
+        socket.emit('config', config);
+        
+        socket.on('message', function(json) {
+            var data,
+                is = Util.type.object(json);
+            
+            if (!is) {
+                socket.emit('err', 'Error: Wrong data type!');
+            } else {
+                cryptoPass(json);
+                
+                data = traverse(json);
+                
+                save(function(error) {
+                    if (error) {
+                        socket.emit('err', error.message);
+                    } else {
+                        socket.broadcast.send(json);
+                        socket.send(json);
+                        socket.emit('log', data);
+                    }
+                });
+            }
+        });
+    }
+    
     function middle(req, res, next) {
         if (req.url !== apiURL + '/config') {
             next();