Nginx, Faye, Node.js on 80 port

haproxy.cnf

global 
    log 127.0.0.1	local0
    log 127.0.0.1	local1 notice
    
    maxconn	4096
    nbproc 	1
    pidfile	/var/run/haproxy.pid
    
    user	haproxy
    group	haproxy
    
defaults
    mode http
    option forwardfor
    option httpclose

frontend all 85.17.162.170:80
    timeout client    86400000    
    
    acl is_faye url_sub faye
    acl is_websocket hdr(Upgrade) -i WebSocket
    acl is_websocket hdr_beg(Host) -i ws
    
    use_backend faye_backend if is_faye
    use_backend ws_backend if is_websocket
    
    default_backend   nginx_backend
    
backend ws_backend
    timeout queue 5000
    timeout connect 86400000
    timeout server 86400000
    server server1 85.17.162.170:9696 maxconn 2000 check

backend faye_backend    
    timeout connect 4000
    timeout server 30000
    server server1 85.17.162.170:9696 maxconn 2000 check
 
backend nginx_backend
    timeout connect 400
    timeout server 600
    server server1 85.17.162.170:8081 maxconn 2000 check