gistfile1.diff

--- src/http/ngx_http_upstream.c	2009-01-09 11:37:58.000000000 -0800
+++ src/http/ngx_http_upstream.c	2009-01-09 12:03:18.000000000 -0800
@@ -1036,8 +1036,8 @@
 {
     ssize_t                         n;
     ngx_int_t                       rc;
-    ngx_str_t                      *uri, args;
-    ngx_uint_t                      i, flags;
+    ngx_str_t                      *uri, args, *hs;
+    ngx_uint_t                      i, j, flags;
     ngx_list_part_t                *part;
     ngx_table_elt_t                *h;
     ngx_connection_t               *c;
@@ -1280,6 +1280,18 @@
                     return;
                 }
             }
+            else {
+                hs = u->conf->pass_headers->elts;
+                for (j = 0; j < u->conf->pass_headers->nelts; j++) {
+                    if (ngx_strncasecmp(hs[j].data, h[i].key.data, hs[j].len) == 0) {
+                        if (ngx_http_upstream_copy_header_line(r, &h[i], 0) != NGX_OK) {
+                            ngx_http_finalize_request(r, NGX_HTTP_INTERNAL_SERVER_ERROR);
+                            return;
+                        }
+                        break;
+                    }
+                }
+            }
         }
 
         uri = &u->headers_in.x_accel_redirect->value;