haproxy.conf

global
  log 127.0.0.1   local0
  log 127.0.0.1   local1 debug
  #log loghost    local0 info
  maxconn 4096
  #chroot /usr/share/haproxy
  #daemon
  #debug
  #quiet

defaults
  log     global
  mode    http
  option  httplog
  option  dontlognull
  retries 3
  option redispatch
  maxconn 2000
  contimeout      50000
  clitimeout      50000
  srvtimeout      50000

frontend all 0.0.0.0:80
  timeout client 86400000
  default_backend nginx_backend

backend nginx_backend
  option forwardfor
  option http-server-close
  timeout connect 10000
  timeout server 60000
  server server1 127.0.0.1:8080 maxconn check inter 10s