nginx 0.8.5 *) Bugfix: now nginx allows underscores in a request method. *) Bugfix: a 500 error code was returned for invalid login/password while HTTP Basic authentication on Windows. *) Bugfix: ngx_http_perl_module responses did not work in subrequests. *) Bugfix: in ngx_http_limit_req_module. Thanks to Maxim Dounin.

--- a/src/http/ngx_http_upstream.c
+++ b/src/http/ngx_http_upstream.c
@@ -2888,7 +2888,7 @@ ngx_http_upstream_finalize_request(ngx_h
 
     r->connection->log->action = "sending to client";
 
-    if (rc == 0 && r == r->main && !r->post_action) {
+    if (rc == 0) {
         rc = ngx_http_send_special(r, NGX_HTTP_LAST);
     }