From 77feb2b76112de3113b721778f92925600280eb1 Mon Sep 17 00:00:00 2001
From: Andrei Belov <defanator@gmail.com>
Date: Mon, 19 May 2014 15:55:51 +0400
Subject: [PATCH] Fixed ngx_http_modsecurity_header_filter() to call next
 header filter eventually.

Returning of NGX_OK there may lead to request's hang, in particular when HEAD
method is used.
---
 nginx/modsecurity/ngx_http_modsecurity.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/nginx/modsecurity/ngx_http_modsecurity.c b/nginx/modsecurity/ngx_http_modsecurity.c
index f5058306..9926c71b 100644
--- a/nginx/modsecurity/ngx_http_modsecurity.c
+++ b/nginx/modsecurity/ngx_http_modsecurity.c
@@ -1294,7 +1294,7 @@ ngx_http_modsecurity_header_filter(ngx_http_request_t *r) {
             "modSecurity: header filter");
 
     r->filter_need_in_memory = 1;
-    return NGX_OK;
+    return ngx_http_next_header_filter(r);
 }
 #endif
 #ifndef NGX_HTTP_MODSECURITY_PREACCESS_HANDLER_ONLY