diff --git a/src/http/ngx_http_request.h b/src/http/ngx_http_request.h
index 413af2f..a1e9ae5 100644
--- a/src/http/ngx_http_request.h
+++ b/src/http/ngx_http_request.h
@@ -55,6 +55,7 @@
 #define NGX_HTTP_NOT_MODIFIED              304
 
 #define NGX_HTTP_BAD_REQUEST               400
+#define NGX_HTTP_UNAUTHORIZED              401
 #define NGX_HTTP_FORBIDDEN                 403
 #define NGX_HTTP_NOT_FOUND                 404
 #define NGX_HTTP_NOT_ALLOWED               405
@@ -157,6 +158,9 @@
     ngx_table_elt_t                  *accept_language;
 #endif
 
+    ngx_str_t                         user;
+    ngx_str_t                         passwd;
+
     ngx_array_t                       cookies;
 
     size_t                            host_name_len;
@@ -194,6 +198,7 @@
     ngx_table_elt_t                  *last_modified;
     ngx_table_elt_t                  *content_range;
     ngx_table_elt_t                  *accept_ranges;
+    ngx_table_elt_t                  *www_authenticate;
     ngx_table_elt_t                  *expires;
     ngx_table_elt_t                  *cache_control;
     ngx_table_elt_t                  *etag;
@@ -336,6 +341,8 @@
     unsigned                          uri_changed:1;
     unsigned                          uri_changes:4;
 
+    unsigned                          invalid_header:1;
+
     unsigned                          low_case_exten:1;
     unsigned                          header_timeout_set:1;