diff --git a/lib/plugins/config/admin.php b/lib/plugins/config/admin.php
index 51e4c13a0d6ee075a493746d4fee35f29377de6a..c25dbb5075c57422a70e2d437b3f5f1c2cbcd9ca 100644
--- a/lib/plugins/config/admin.php
+++ b/lib/plugins/config/admin.php
@@ -16,6 +16,7 @@ define('CM_KEYMARKER','____');            // used for settings with multiple dim
 
 define('PLUGIN_SELF',dirname(__FILE__).'/');
 define('PLUGIN_METADATA',PLUGIN_SELF.'settings/config.metadata.php');
+if(!defined('DOKU_PLUGIN_IMAGES')) define('DOKU_PLUGIN_IMAGES',DOKU_BASE.'lib/plugins/config/images/');
 
 require_once(PLUGIN_SELF.'settings/config.class.php');  // main configuration class and generic settings classes
 require_once(PLUGIN_SELF.'settings/extra.class.php');   // settings classes specific to these settings
@@ -151,11 +152,12 @@ class admin_plugin_config extends DokuWiki_Admin_Plugin {
 
           $class = $setting->is_default() ? ' class="default"' : ($setting->is_protected() ? ' class="protected"' : '');
           $error = $setting->error() ? ' class="value error"' : ' class="value"';
+          $icon = $setting->caution() ? '<img src="'.DOKU_PLUGIN_IMAGES.$setting->caution().'.png" alt="'.$setting->caution().'" title="'.$this->getLang($setting->caution()).'" />' : '';
 
           ptln('    <tr'.$class.'>');
           ptln('      <td class="label">');
-          ptln('        <span class="outkey">'.$setting->_out_key(true).'</span>');
-          ptln('        '.$label);
+          ptln('        <span class="outkey">'.$setting->_out_key(true, true).'</span>');
+          ptln('        '.$label.$icon);
           ptln('      </td>');
           ptln('      <td'.$error.'>'.$input.'</td>');
           ptln('    </tr>');
diff --git a/lib/plugins/config/images/danger.png b/lib/plugins/config/images/danger.png
new file mode 100644
index 0000000000000000000000000000000000000000..c37bd062e60c3b38fc82e4d1f236a8ac2fae9d8c
Binary files /dev/null and b/lib/plugins/config/images/danger.png differ
diff --git a/lib/plugins/config/images/security.png b/lib/plugins/config/images/security.png
new file mode 100644
index 0000000000000000000000000000000000000000..2ebc4f6f9663e32cad77d67ef93ab8843dfea3c0
Binary files /dev/null and b/lib/plugins/config/images/security.png differ
diff --git a/lib/plugins/config/images/warning.png b/lib/plugins/config/images/warning.png
new file mode 100644
index 0000000000000000000000000000000000000000..628cf2dae3d419ae220c8928ac71393b480745a3
Binary files /dev/null and b/lib/plugins/config/images/warning.png differ
diff --git a/lib/plugins/config/lang/de/lang.php b/lib/plugins/config/lang/de/lang.php
index ca46e041d1a9f949fa803ca667de039711f87008..39e749bd73790dca8b1d597d05d39aaa99fa58a5 100644
--- a/lib/plugins/config/lang/de/lang.php
+++ b/lib/plugins/config/lang/de/lang.php
@@ -17,7 +17,10 @@ $lang['updated']               = 'Einstellungen erfolgreich gespeichert.';
 $lang['nochoice']              = '(keine Auswahlmöglichkeiten vorhanden)';
 $lang['locked']                = 'Die Konfigurationsdatei kann nicht geändert werden, wenn dies unbeabsichtigt ist
                            <br />überprüfen Sie, dass die Dateiberechtigungen korrekt gesetzt sind.';
-$lang['_configuration_manager'] = 'Konfiguration';
+$lang['danger']                = 'Gefahr: Die Änderung dieser Option könnte erheblichen Schaden anrichten.';
+$lang['warning']               = 'Warnunng: Die Änderung dieser Option könnte unbeabsichtigtes Verhalten hervorrufen.';
+$lang['security']              = 'Sicherheitswarnung: Die Änderung dieser Option könnte ein Sicherheitsrisiko darstellen.';
+$lang['_configuration_manager']= 'Konfiguration';
 $lang['_header_dokuwiki']      = 'DokuWiki-Konfiguration';
 $lang['_header_plugin']        = 'Plugin-Konfiguration';
 $lang['_header_template']      = 'Template-Konfiguration';
diff --git a/lib/plugins/config/lang/en/lang.php b/lib/plugins/config/lang/en/lang.php
index 11d77c8009924d76748863ce2021497ec41ad9ce..7566cf49a8b59b46d5b7b08a93d1d4ad9bd85a36 100644
--- a/lib/plugins/config/lang/en/lang.php
+++ b/lib/plugins/config/lang/en/lang.php
@@ -17,6 +17,10 @@ $lang['nochoice']   = '(no other choices available)';
 $lang['locked']     = 'The settings file can not be updated, if this is unintentional, <br />
                        ensure the local settings file name and permissions are correct.';
 
+$lang['danger']     = 'Danger: Changing this option could cause severe damage.';
+$lang['warning']    = 'Warning: Changing this option could cause unintended behaviour.';
+$lang['security']   = 'Security Warning: Changing this option could present a security risk.';
+
 /* --- Config Setting Headers --- */
 $lang['_configuration_manager'] = 'Configuration Manager'; //same as heading in intro.txt
 $lang['_header_dokuwiki'] = 'DokuWiki Settings';
diff --git a/lib/plugins/config/settings/config.class.php b/lib/plugins/config/settings/config.class.php
index 4e9270f494d968cc422dba7ce83c7bb45ba5da8e..81d9224f51030d2ed66a37c9d3830d724fc7307d 100644
--- a/lib/plugins/config/settings/config.class.php
+++ b/lib/plugins/config/settings/config.class.php
@@ -340,6 +340,12 @@ if (!class_exists('setting')) {
     var $_error = false;            // only used by those classes which error check
     var $_input = NULL;             // only used by those classes which error check
 
+    var $_cautionList = array(
+        'basedir' => 'danger', 'baseurl' => 'danger', 'savedir' => 'danger', 'useacl' => 'danger', 'authtype' => 'danger', 'superuser' => 'danger', 'userewrite' => 'danger',
+        'start' => 'warning', 'camelcase' => 'warning', 'deaccent' => 'warning', 'sepchar' => 'warning', 'compression' => 'warning', 'xsendfile' => 'warning', 'renderer_xhtml' => 'warning',
+        'allowdebug' => 'security', 'htmlok' => 'security', 'phpok' => 'security', 'iexssprotect' => 'security', 'xmlrpc' => 'security'
+    );
+
     function setting($key, $params=NULL) {
         $this->_key = $key;
 
@@ -439,9 +445,21 @@ if (!class_exists('setting')) {
     function is_default() { return !$this->is_protected() && is_null($this->_local); }
     function error() { return $this->_error; }
 
-    function _out_key($pretty=false) {
+    function caution() {
+        if (!array_key_exists($this->_key, $this->_cautionList)) return false;
+        return $this->_cautionList[$this->_key];
+    }
+
+    function _out_key($pretty=false,$url=false) {
         if($pretty){
-            return str_replace(CM_KEYMARKER,"&raquo;",$this->_key);
+            $out = str_replace(CM_KEYMARKER,"&raquo;",$this->_key);
+            if ($url && !strstr($out,'&raquo;')) {//provide no urls for plugins, etc.
+                if ($out == 'start') //one exception
+                    return '<a href="http://www.dokuwiki.org/config:startpage">'.$out.'</a>';
+                else
+                    return '<a href="http://www.dokuwiki.org/config:'.$out.'">'.$out.'</a>';
+            }
+            return $out;
         }else{
             return str_replace(CM_KEYMARKER,"']['",$this->_key);
         }
diff --git a/lib/plugins/config/style.css b/lib/plugins/config/style.css
index fb73c7a8df93de53272c2cee631ad53d5da01c2a..168ea432cf8efbadd37741f11ad4d53bb7a77949 100644
--- a/lib/plugins/config/style.css
+++ b/lib/plugins/config/style.css
@@ -30,7 +30,7 @@
 }
 #config__manager fieldset td.value {
     /* fixed data column width */
-    width: 30em;
+    width: 31em;
 }
 
 #config__manager td.label {
@@ -41,6 +41,12 @@
 #config__manager td.label label {
     clear: both;
     display: block;
+    float: left;
+}
+#config__manager td.label img {
+    padding: 0 10px;
+    vertical-align: middle;
+    float: right;
 }
 
 #config__manager td.label span.outkey {
@@ -59,6 +65,9 @@
 #config__manager td input.edit {
     width: 30em;
 }
+#config__manager td .input {
+    width: 30.8em;
+}
 #config__manager td select.edit { }
 #config__manager td textarea.edit {
     width: 27.5em;