diff -rupN libraries.orig/common.inc.php libraries/common.inc.php
--- libraries.orig/common.inc.php	2014-12-10 01:51:22.838996733 -0700
+++ libraries/common.inc.php	2014-12-10 01:53:35.109996605 -0700
@@ -869,6 +869,9 @@ if (! defined('PMA_MINIMUM_COMMON')) {
         $auth_plugin = new $auth_class($plugin_manager);
 
         if (! $auth_plugin->authCheck()) {
+            //DA logging
+            log_to_file('', "not authenticated");
+
             /* Force generating of new session on login */
             PMA_secureSession();
             $auth_plugin->auth();
diff -rupN libraries.orig/logging.lib.php libraries/logging.lib.php
--- libraries.orig/logging.lib.php	2014-12-10 01:51:22.830996865 -0700
+++ libraries/logging.lib.php	2014-12-10 01:57:20.972996510 -0700
@@ -11,6 +11,55 @@ if (! defined('PHPMYADMIN')) {
     exit;
 }
 
+$LOG_DIR="./log";
+$LOG_FILE=$LOG_DIR."/auth.log";
+
+function ensure_log_dir()
+{
+	global $LOG_DIR;
+	if (is_dir($LOG_DIR))
+		return true;
+
+	if (!mkdir($LOG_DIR, 0770))
+		return false;
+}
+
+function log_to_file($user, $status)
+{
+	if (!ensure_log_dir())
+		return false;
+
+	global $LOG_FILE;
+
+	if ($user == '')
+	{
+		//global $PHP_AUTH_USER;
+		//$user = $PHP_AUTH_USER;
+
+		$user = PMA_getenv('PHP_AUTH_USER');
+	}
+
+	if ($user == '')
+		return true;
+
+	//remove any ' characters from $user
+	$user = urlencode($user);
+
+	$log_str = date('M d H:i:s').":: pma auth user='$user' status='$status' ip='".$_SERVER["REMOTE_ADDR"]."'";
+
+	$fp = fopen($LOG_FILE, 'a');
+	if ($fp === false)
+	{
+		//log to apache error log instead
+		error_log($log_str."\n");
+		return;
+	}
+
+	fwrite($fp, $log_str."\n");
+
+	fclose($fp);
+}
+
 /**
  * Logs user information to webserver logs.
  *
@@ -25,6 +74,8 @@ function PMA_logUser($user, $status = 'o
         apache_note('userID', $user);
         apache_note('userStatus', $status);
     }
+
+    log_to_file($user, $status);
 }
 
 ?>