Add some sensible information on non-php.net pages when mod.php is visited.

Also disallow the indexing of mod.php and remove duplicate exclusion
of search.php (it is already included in robots.txt)

mod.php

@@ -10,11 +10,21 @@
 $_SERVER['BASE_PAGE'] = 'mod.php';
 include_once $_SERVER['DOCUMENT_ROOT'] . '/include/prepend.inc';
 
-// Only run on www.php.net
-if ($MYSITE != "http://www.php.net/") { exit; }
-
 site_header("Email confirmation");
 
+// Only run on www.php.net
+if ($MYSITE != "http://www.php.net/") { 
+    echo <<<ERROR
+<h1>Email confirmation failed</h1>
+
+<p class="formerror">
+ This server is not capable of handling email confirmations.
+</p>
+ERROR;
+    site_footer();
+    exit;
+}
+
 // These sites are handled by automoderation
 $sites = array("php.net", "lists.php.net");
 

robots.txt

@@ -3,4 +3,5 @@ Disallow: /backend/
 Disallow: /stats/
 Disallow: /source.php
 Disallow: /search.php
+Disallow: /mod.php
 Disallow: /manual/add-note.php

search.php

@@ -87,7 +87,7 @@ if (!empty($_FORM['pattern'])) {
 else {
 
     // Print out common header
-    site_header("Search", array("noindex"));
+    site_header("Search");
     if (isset($EXPL_LANG)) {
         $lang_input = "  <input type=\"hidden\" name=\"lang\" value=\"{$EXPL_LANG}\" />\n";
     } else {