haproxy.cfg

global
        log 127.0.0.1   local0
        log 127.0.0.1   local1 notice
        maxconn 4096
        user haproxy
        group haproxy
        daemon

defaults
        log     global
        mode    http
        option  httplog
        option  dontlognull
        option forwardfor
        option http-server-close
        stats enable
        stats auth someuser:somepassword
        stats uri /haproxyStats

frontend http-in
        bind :80
        default_backend web-app-cluster

backend web-app-cluster
        balance rountrobin
        option httpclose
        server node1 10.10.1.27 cookie A check