diff --git a/src/Handler.php b/src/Handler.php
index da54c45..502f91b 100644
--- a/src/Handler.php
+++ b/src/Handler.php
@@ -56,7 +56,7 @@ protected function broadcast(string $msg, bool $global = true): Generator
      * @param $socket
      * @return Generator
      */
-    private function handshake($socket): Generator
+    protected function handshake($socket): Generator
     {
         yield Dispatcher::listenRead($socket);
         Logger::log('worker', $this->pid, 'handshake for ', (int)$socket);
@@ -75,6 +75,16 @@ private function handshake($socket): Generator
             return yield;
         }
 
+        if (!$this->validateClient($headers, $socket)) {
+            Logger::log('worker', $this->pid, 'handshake for ' . (int)$socket . ' aborted');
+            unset($this->clients[(int)$socket]);
+            $this->dispatcher->removeClient((int)$socket);
+            yield Dispatcher::async($this->write($socket, "HTTP:/1.1 403 Forbidden\r\n"));
+            fclose($socket);
+
+            return yield;
+        }
+
         $secKey = $headers['Sec-WebSocket-Key'];
         $secAccept = base64_encode(pack('H*', sha1($secKey . '258EAFA5-E914-47DA-95CA-C5AB0DC85B11')));
         $response = "HTTP/1.1 101 Web Socket Protocol Handshake\r\n" .
@@ -86,7 +96,7 @@ private function handshake($socket): Generator
 
         try {
             yield Dispatcher::async($this->write($socket, $response));
-            yield Dispatcher::async($this->afterHandshake($headers, $socket));
+            yield Dispatcher::async($this->afterHandshake($socket));
         } catch (\Throwable $e) {
             return yield;
         }
@@ -201,23 +211,15 @@ protected function validateClient(array $headers, $socket): bool
     /**
      * Process headers after handshake success
      *
-     * @param array $headers
      * @param $socket
      * @return Generator
      */
-    private function afterHandshake(array $headers, $socket): Generator
+    protected function afterHandshake($socket): Generator
     {
-        if (!$this->validateClient($headers, $socket)) {
-            Logger::log('worker', $this->pid, 'handshake for ' . (int)$socket . ' aborted');
-            unset($this->clients[(int)$socket]);
-            yield Dispatcher::listenRemove((int)$socket);
-            fclose($socket);
-        } else {
-            Logger::log('worker', $this->pid, 'connection accepted for', (int)$socket);
-            $this->clients[(int)$socket] = $socket;
-            yield Dispatcher::async($this->onConnect($socket));
-            yield Dispatcher::async($this->read($socket));
-        }
+        Logger::log('worker', $this->pid, 'connection accepted for', (int)$socket);
+        $this->clients[(int)$socket] = $socket;
+        yield Dispatcher::async($this->onConnect($socket));
+        yield Dispatcher::async($this->read($socket));
     }
 
     /**
diff --git a/src/Server.php b/src/Server.php
index 0460ada..1218876 100644
--- a/src/Server.php
+++ b/src/Server.php
@@ -21,6 +21,7 @@ class Server
     protected $cert;
     protected $passPhrase;
     protected $workerCount = 4;
+    protected $workerPids = [];
     protected $handler;
     public static $connector = '/var/run/wsc.sock';
 
@@ -34,7 +35,7 @@ class Server
      * @param bool $useConnector
      * @param bool $exchangeWorkersData
      */
-    public function __construct(string $host, int $port, int $workerCount = 4, $useSSL = false, $useConnector = true, $exchangeWorkersData = true)
+    public function __construct(string $host, int $port, int $workerCount = 4, bool $useSSL = false, bool $useConnector = true, bool $exchangeWorkersData = true)
     {
         $this->host = $host;
         $this->port = $port;
@@ -131,24 +132,31 @@ protected function spawn(): array
         return [$pid, $master, $workers];
     }
 
+    /**
+     * @param $signal
+     */
+    protected function terminate($signal)
+    {
+        Logger::log('master', posix_getpid(), 'Stopping workers...');
+
+        foreach ($this->workerPids as $pid => $worker) {
+            posix_kill($pid, $signal);
+        }
+
+        Logger::log('master', posix_getpid(), 'Server stopped.');
+        exit(0);
+    }
+
     /**
      * Process system signals
      *
-     * @param $workers
      * @return void
      */
-    protected function handleSignals(&$workers): void
+    protected function handleSignals(): void
     {
         foreach ([SIGTERM, SIGQUIT, SIGABRT, SIGINT] as $signal) {
-            pcntl_signal($signal, function ($signal) use ($workers) {
-                Logger::log('master', posix_getpid(), 'Stopping workers...');
-
-                foreach ($workers as $pid => $worker) {
-                    posix_kill($pid, $signal);
-                }
-
-                Logger::log('master', posix_getpid(), 'Server stopped.');
-                exit(0);
+            pcntl_signal($signal, function ($signal) {
+                $this->terminate($signal);
             });
         }
     }
@@ -209,8 +217,8 @@ public function run(): void
 
         if ($pid) {
             fclose($this->socket);
-
-            $this->handleSignals($workers);
+            $this->workerPids = $workers;
+            $this->handleSignals();
 
             (new Master($workers, $this->unixConnector, $this->exchangeWorkersData))->dispatch();
         } else {