diff --git a/interface/lib/plugins/mail_user_filter_plugin.inc.php b/interface/lib/plugins/mail_user_filter_plugin.inc.php
index 45c32179f63ff79b9c491994cd9b355d5fecfe07..4f24042b303bca819da67de91ec4ab6c72933b03 100644
--- a/interface/lib/plugins/mail_user_filter_plugin.inc.php
+++ b/interface/lib/plugins/mail_user_filter_plugin.inc.php
@@ -139,8 +139,7 @@ class mail_user_filter_plugin {
 
 			if($page_form->dataRecord["source"] == 'Header') {
 				$parts = explode(':',trim($page_form->dataRecord["searchterm"]));
-				$page_form->dataRecord["source"] = trim($parts[0]);
-				unset($parts[0]);
+				$page_form->dataRecord["source"] = trim(array_shift($parts));
 				$page_form->dataRecord["searchterm"] = trim(implode(':',$parts));
 				unset($parts);
 			}
diff --git a/security/ids.whitelist b/security/ids.whitelist
index ab7ee504a3a0e2da07aa8cf12937f4f69122da5f..d9b0ba70b5bbd06d8e51641597b38e25e8b04a92 100644
--- a/security/ids.whitelist
+++ b/security/ids.whitelist
@@ -55,7 +55,6 @@ user:/login/index.php:POST.password
 user:/mail/mail_domain_edit.php:POST.dkim_private
 user:/mail/mail_domain_edit.php:POST.dkim_public
 user:/mail/mail_domain_edit.php:POST.dns_record
-user:/sites/web_vhost_domain_edit.php:POST.fastcgi_php_version
 admin:/mail/mail_user_filter_edit.php:POST.searchterm
 user:/mail/mail_user_filter_edit.php:POST.searchterm
 admin:/mail/mail_user_edit.php:POST.custom_mailfilter