---
set: 4
code: 444
title: Connection Closed Without Response
---

A non-standard status code used to instruct [nginx][2] to close the connection without sending a response to the client, most commonly used to deny malicious or malformed requests.

This status code is not seen by the client, it only appears in nginx log files.

---

* Source: [nginx documentation][1]

[1]: <http://nginx.org/en/docs/http/ngx_http_rewrite_module.html#return>
[2]: <http://nginx.org>