diff --git a/webui/config.php b/webui/config.php
index 227d602..e5e3fa9 100644
--- a/webui/config.php
+++ b/webui/config.php
@@ -29,6 +29,7 @@
 $config['SITE_URL'] = 'http://piler.yourdomain.com/';
 
 $config['ENABLE_SAAS'] = 0;
+$config['DEMO_MODE'] = 0;
 
 $config['TIMEZONE'] = 'Europe/Budapest';
 
diff --git a/webui/model/audit/audit.php b/webui/model/audit/audit.php
index bc8477f..0d0d362 100644
--- a/webui/model/audit/audit.php
+++ b/webui/model/audit/audit.php
@@ -92,7 +92,7 @@
                                     'action' => $a['action'],
                                     'email' => $a['email'],
                                     'date' => date(AUDIT_DATE_FORMAT, $a['ts']),
-                                    'ipaddr' => $a['ipaddr'],
+                                    'ipaddr' => DEMO_MODE == 1 ? anonimize_ip_addr($a['ipaddr']) : $a['ipaddr'],
                                     'description' => $a['description'],
                                     'shortdescription' => make_short_string($a['description'], MAX_CGI_FROM_SUBJ_LEN)
                                   );
diff --git a/webui/system/misc.php b/webui/system/misc.php
index f5b2904..e73e8cd 100644
--- a/webui/system/misc.php
+++ b/webui/system/misc.php
@@ -492,6 +492,18 @@
 }
 
 
+function anonimize_ip_addr($ip = '') {
+   $ip = explode(".", $ip);
+   if(count($ip) == 4) {
+      $ip[0] = $ip[1] = 'x';
+
+      $ip = implode(".", $ip);
+   }
+
+   return $ip;
+}
+
+
 function get_ldap_attribute_names($ldap_type = '') {
 
    $ldap_mail_attr = LDAP_MAIL_ATTR;
diff --git a/webui/view/theme/default/templates/stat/online.tpl b/webui/view/theme/default/templates/stat/online.tpl
index f934f16..553645f 100644
--- a/webui/view/theme/default/templates/stat/online.tpl
+++ b/webui/view/theme/default/templates/stat/online.tpl
@@ -16,7 +16,7 @@
 <?php foreach($users as $user) { ?>
       <tr>
          <td class="domaincell"><?php print $user['username']; ?></td>
-         <td class="domaincell"><?php print $user['ipaddr']; ?></td>
+         <td class="domaincell"><?php if(DEMO_MODE == 1) { print anonimize_ip_addr($user['ipaddr']); } else { print $user['ipaddr']; } ?></td>
          <td class="domaincell"><?php print date("Y.m.d. G:i:s", $user['ts']); ?></td>
          <td class="domaincell"><?php print date("Y.m.d. G:i:s", $user['last_activity']); ?></td>
       </tr>