For some reason all the POST request are delayed for about 1 min. Here is my configuration: /etc/nginx/nginx.conf sendfile on; tcp_nopush on; tcp_nodelay off; keepalive_timeout 65; types_hash_max_size 2048; proxy_buffering off; proxy_http_version 1.1; proxy_set_header Connection ""; /etc/nginx/sites-available/default client_max_body_size 0; send_timeout 300; proxy_seby sharvadze - Nginx Mailing List - English