From 39a7b787375ed625ee987143c26c2128f53e90a3 Mon Sep 17 00:00:00 2001
From: Miroslav Stampar <miroslav.stampar@gmail.com>
Date: Tue, 17 Nov 2015 09:39:09 +0100
Subject: [PATCH] Minor fix

---
 waf/kona.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/waf/kona.py b/waf/kona.py
index 731cd6f99..db651e970 100644
--- a/waf/kona.py
+++ b/waf/kona.py
@@ -16,7 +16,7 @@ def detect(get_page):
 
     for vector in WAF_ATTACK_VECTORS:
         page, headers, code = get_page(get=vector)
-        retval = code == 501 and re.search(r"Reference #[0-9A-Fa-f.]+", page, re.I) is not None
+        retval = code in (400, 501) and re.search(r"Reference #[0-9A-Fa-f.]+", page, re.I) is not None
         if retval:
             break