We are using nginx as a web/comet server to provide push notification to our web-app. We have been running fine on nginx 1.0.11 and nginx_http_push_module verson 0.692, on ubuntu 10.04 servers, for years without issue, but re recently upgraded to nginx 1.4.6 and push module .712, on 12.04. We are seeing an issue when the GET call to the subscriber location on nginx is interrupted it creates a CLby epluntze - Nginx Mailing List - English