haproxy load balancer for node.js application

haproxy.cfg

global
    log 127.0.0.1 local0 notice
    maxconn 2000
    user haproxy
    group haproxy
defaults
    log     global
    mode    http
    option  dontlognull
    retries 3
    option redispatch
    timeout connect  5000
    timeout client  10000
    timeout server  10000

listen app_name 0.0.0.0:9000
    mode http
    stats enable
    stats uri /haproxy?stats
    stats realm Strictly\ Private
    stats auth user:password
    balance roundrobin
    option httpclose
    option forwardfor
    server node1 0.0.0.0:9001  check
    server node2 0.0.0.0:9002  check

tcp.cfg

listen _tcp :9009
    mode tcp
    balance leastconn
    timeout server 3600000
    server tcp_server 0.0.0.0:80 check