diff --git a/phpseclib/Net/SSH2.php b/phpseclib/Net/SSH2.php
index 932af869..06f5e7a0 100644
--- a/phpseclib/Net/SSH2.php
+++ b/phpseclib/Net/SSH2.php
@@ -2076,6 +2076,16 @@ class Net_SSH2 {
         $this->disconnect();
     }
 
+    /**
+     * Is the connection still active?
+     *
+     * @access public
+     */
+    function isConnected()
+    {
+        return $this->bitmap & NET_SSH2_MASK_LOGIN;
+    }
+
     /**
      * Gets Binary Packets
      *