diff --git a/src/Controller/ModuleController.php b/src/Controller/ModuleController.php
index 0df09a3..86ec63a 100644
--- a/src/Controller/ModuleController.php
+++ b/src/Controller/ModuleController.php
@@ -129,6 +129,25 @@ class ModuleController extends AbstractController
         Request $request
     ): Response
     {
+        // Check user session exist
+        $username = false;
+
+        if (!empty($request->cookies->get('KEVACHAT_SESSION')) && preg_match('/[A-z0-9]{32}/', $request->cookies->get('KEVACHAT_SESSION')))
+        {
+            // Connect memcached
+            $memcached = new \Memcached();
+            $memcached->addServer(
+                $this->getParameter('app.memcached.host'),
+                $this->getParameter('app.memcached.port')
+            );
+
+            // Check username exist for this session
+            if ($value = $memcached->get($request->cookies->get('KEVACHAT_SESSION')))
+            {
+                $username = $value;
+            }
+        }
+
         // Format quoted message
         if (preg_match('/^[A-z0-9]{64}$/', $request->get('txid')))
         {
@@ -168,8 +187,7 @@ class ModuleController extends AbstractController
                 'sign'      => $request->get('sign'),
                 'error'     => $request->get('error'),
                 'message'   => $message,
-                'ip'        => $request->getClientIp(),
-
+                'username'  => $username,
                 'enabled'   =>
                 (
                     !in_array(
diff --git a/templates/default/module/post.html.twig b/templates/default/module/post.html.twig
index 34f2f39..e8ee2ee 100644
--- a/templates/default/module/post.html.twig
+++ b/templates/default/module/post.html.twig
@@ -4,7 +4,7 @@
             <output name="error" for="form-post-message">{{ error }}</output>
         {% endif %}
         <textarea name="message" id="form-post-message" placeholder="{{ 'enter your message...' | trans }}">{{ message }}</textarea>
-        {% if sign == 'anon' or sign != 'ip' %}
+        {% if sign == 'anon' or sign != 'username' %}
             <input type="radio" name="sign" value="anon" id="form-post-sign-anon" checked="checked" />
         {% else %}
             <input type="radio" name="sign" value="anon" id="form-post-sign-anon" />
@@ -12,14 +12,21 @@
         <label for="form-post-sign-anon">
             {{ 'anon' | trans }}
         </label>
-        {% if sign == 'ip' %}
-            <input type="radio" name="sign" value="ip" id="form-post-sign-ip" checked="checked" />
+        {% if username %}
+            {% if sign == 'username' %}
+                <input type="radio" name="sign" value="username" id="form-post-sign-username" checked="checked" />
+            {% else %}
+                <input type="radio" name="sign" value="username" id="form-post-sign-username" />
+            {% endif %}
+            <label for="form-post-sign-username">
+                @{{ username }}
+            </label>
+            |
+            <a href="{{ path('user_logout') }}">{{ 'logout' | trans }}</a>
         {% else %}
-            <input type="radio" name="sign" value="ip" id="form-post-sign-ip" />
+            <input type="radio" name="sign" value="username" id="form-post-sign-username" disabled="disabled" />
+            <a href="{{ path('user_login') }}">{{ 'login' | trans }}</a>
         {% endif %}
-        <label for="form-post-sign-ip">
-            @{{ ip }}
-        </label>
         <button type="submit">{{ 'send' | trans }}</button>
     </form>
 {% endif %}
\ No newline at end of file