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diff --git a/Webduino/examples/Web_Authentication/Web_Authentication.ino b/Webduino/examples/Web_Authentication/Web_Authentication.ino
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+++ b/Webduino/examples/Web_Authentication/Web_Authentication.ino
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+/* Web_Authentication.ino - Webduino Authentication example */
+
+/* This example assumes that you're familiar with the basics
+ * of the Ethernet library (particularly with setting MAC and
+ * IP addresses) and with the basics of Webduino. If you
+ * haven't had a look at the HelloWorld example you should
+ * probably check it out first */
+
+/* you can change the authentication realm by defining
+ * WEBDUINO_AUTH_REALM before including WebServer.h */
+#define WEBDUINO_AUTH_REALM "Weduino Authentication Example"
+
+#include "SPI.h"
+#include "Ethernet.h"
+#include "WebServer.h"
+
+/* CHANGE THIS TO YOUR OWN UNIQUE VALUE.  The MAC number should be
+ * different from any other devices on your network or you'll have
+ * problems receiving packets. */
+static uint8_t mac[] = { 0xDE, 0xAD, 0xBE, 0xEF, 0xFE, 0xED };
+
+/* CHANGE THIS TO MATCH YOUR HOST NETWORK.  Most home networks are in
+ * the 192.168.0.XXX or 192.168.1.XXX subrange.  Pick an address
+ * that's not in use and isn't going to be automatically allocated by
+ * DHCP from your router. */
+static uint8_t ip[] = { 192, 168, 1, 210 };
+
+/* This creates an instance of the webserver.  By specifying a prefix
+ * of "", all pages will be at the root of the server. */
+#define PREFIX ""
+WebServer webserver(PREFIX, 80);
+
+void defaultCmd(WebServer &server, WebServer::ConnectionType type, char *, bool)
+{
+  server.httpSuccess();
+  if (type != WebServer::HEAD)
+  {
+    P(helloMsg) = "<h1>Hello, World!</h1><a href=\"private.html\">Private page</a>";
+    server.printP(helloMsg);
+  }
+}
+
+void privateCmd(WebServer &server, WebServer::ConnectionType type, char *, bool)
+{
+  /* if the user has requested this page using the following credentials
+   * username = user
+   * password = user
+   * display a page saying "Hello User"
+   *
+   * the credentials have to be concatenated with a colon like
+   * username:password
+   * and encoded using Base64 - this should be done outside of your Arduino
+   * to be easy on your resources
+   *
+   * in other words: "dXNlcjp1c2Vy" is the Base64 representation of "user:user"
+   *
+   * if you need to change the username/password dynamically please search
+   * the web for a Base64 library */
+  if (server.checkCredentials("dXNlcjp1c2Vy"))
+  {
+    server.httpSuccess();
+    if (type != WebServer::HEAD)
+    {
+      P(helloMsg) = "<h1>Hello User</h1>";
+      server.printP(helloMsg);
+    }
+  }
+  /* if the user has requested this page using the following credentials
+   * username = admin
+   * password = admin
+   * display a page saying "Hello Admin"
+   *
+   * in other words: "YWRtaW46YWRtaW4=" is the Base64 representation of "admin:admin" */
+  else if (server.checkCredentials("YWRtaW46YWRtaW4="))
+  {
+    server.httpSuccess();
+    if (type != WebServer::HEAD)
+    {
+      P(helloMsg) = "<h1>Hello Admin</h1>";
+      server.printP(helloMsg);
+    }
+  }
+  else
+  {
+    /* send a 401 error back causing the web browser to prompt the user for credentials */
+    server.httpUnauthorized();
+  }
+}
+
+void setup()
+{
+  Ethernet.begin(mac, ip);
+  webserver.setDefaultCommand(&defaultCmd);
+  webserver.addCommand("index.html", &defaultCmd);
+  webserver.addCommand("private.html", &privateCmd);
+  webserver.begin();
+}
+
+void loop()
+{
+  char buff[64];
+  int len = 64;
+
+  /* process incoming connections one at a time forever */
+  webserver.processConnection(buff, &len);
+}