<div dir="ltr"><div class="gmail_default" style="font-family:arial,sans-serif">I have a small website, nginx in front of gunicorn which is in front of flask. Pretty typical stuff. I'm messing around with what I can and can't do in some situations. I'm intrigued by the non-standard 444 response. Is it possible to trigger the no-response response from the backend like this or is it only from within nginx itself?</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">I followed the directions here:</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif"><a href="https://flask.palletsprojects.com/en/2.0.x/errorhandling/">https://flask.palletsprojects.com/en/2.0.x/errorhandling/</a><br></div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">and came up with something which doesn't generate errors in my flask server, but nginx generates a complete response instead of simply closing the connection.</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">This is more out of curiosity than anything else, so if this isn't possible, no big deal...</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div><div class="gmail_default" style="font-family:arial,sans-serif">Thanks,</div><div class="gmail_default" style="font-family:arial,sans-serif"><br>Skip Montanaro</div><div class="gmail_default" style="font-family:arial,sans-serif"><br></div></div>