diff --git a/allebilder.php b/allebilder.php
index 3d66df6..bfe541c 100755
--- a/allebilder.php
+++ b/allebilder.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 # allebilder.php
 
diff --git a/auth.php b/auth.php
new file mode 100644
index 0000000..8aeec4c
--- /dev/null
+++ b/auth.php
@@ -0,0 +1,12 @@
+<?php
+include('config.inc.php');
+
+if (!isset($_SERVER['PHP_AUTH_USER']) || !isset($_SERVER['PHP_AUTH_PW']) ||
+    $_SERVER['PHP_AUTH_USER'] !== $inc_username || $_SERVER['PHP_AUTH_PW'] !== $inc_password) {
+    header('WWW-Authenticate: Basic realm="Protected Area"');
+    header('HTTP/1.0 401 Unauthorized');
+    echo 'Access denied.';
+    exit;
+}
+
+?>
diff --git a/config.inc.php b/config.inc.php
index 5d04830..4c2855f 100755
--- a/config.inc.php
+++ b/config.inc.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 #############################################################
 # Konfigurations Datei für Webcams mit Motion
@@ -7,6 +8,13 @@
 
 $inc_pfad_www           = "/z/motion/";
 
+#################################
+# Zugangsdaten
+#################################
+
+$inc_username = "TODO"
+$inc_password = "TODO"
+
 #################################
 # KAMERAS
 #################################
diff --git a/einzelbild.php b/einzelbild.php
index f3b2e70..88363f0 100755
--- a/einzelbild.php
+++ b/einzelbild.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 # $datei
 
diff --git a/img.php b/img.php
index 6de495f..44644ae 100755
--- a/img.php
+++ b/img.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 $jpg_quality = 75;
 
diff --git a/imgscale.php b/imgscale.php
index 28f070b..f7b0ccb 100755
--- a/imgscale.php
+++ b/imgscale.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 $b = isset($_GET['b']) ? $_GET['b'] : '160';
 $q = isset($_GET['q']) ? $_GET['q'] : '75';
diff --git a/imgscalewrite.php b/imgscalewrite.php
index 05441eb..f24b38e 100755
--- a/imgscalewrite.php
+++ b/imgscalewrite.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 $b = isset($_GET['b']) ? $_GET['b'] : '160';
 $q = isset($_GET['q']) ? $_GET['q'] : '75';
diff --git a/index.php b/index.php
index 0f88eb0..d9d789e 100755
--- a/index.php
+++ b/index.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 include('config.inc.php');
 
 $datei = basename(__FILE__);
diff --git a/letztenbilder.php b/letztenbilder.php
index ed6683d..c1e5ebb 100755
--- a/letztenbilder.php
+++ b/letztenbilder.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 # letztenbilder.php
 
diff --git a/letztenbildermin.php b/letztenbildermin.php
index e3ef145..c7f3c9e 100755
--- a/letztenbildermin.php
+++ b/letztenbildermin.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 # letztenbildermin.php
 
diff --git a/popup.php b/popup.php
index acff362..bb7087d 100755
--- a/popup.php
+++ b/popup.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 $datei = basename(__FILE__);
 
diff --git a/zoom.php b/zoom.php
index 450bb62..35f4c12 100755
--- a/zoom.php
+++ b/zoom.php
@@ -1,4 +1,5 @@
 <?php
+require_once 'auth.php';
 
 # $datei