httpstatuses/contents/codes/444.md

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---
# This is not a status code available in the standard, but it exists
# with significant prominence in the wild
set: 4
code: 444
title: Nginx closed connection without sending a 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>