haproxy simple cfg

global
    log /dev/log    local0
    log /dev/log    local1 notice
    chroot /var/lib/haproxy
    user haproxy
    group haproxy
    daemon

defaults
    log    global
    mode    http
    option    httplog
    option    dontlognull
        contimeout 5000
        clitimeout 50000
        srvtimeout 50000
    errorfile 400 /etc/haproxy/errors/400.http
    errorfile 403 /etc/haproxy/errors/403.http
    errorfile 408 /etc/haproxy/errors/408.http
    errorfile 500 /etc/haproxy/errors/500.http
    errorfile 502 /etc/haproxy/errors/502.http
    errorfile 503 /etc/haproxy/errors/503.http
    errorfile 504 /etc/haproxy/errors/504.http

frontend tutorial_in
    bind *:8088
    default_backend tutorial_http

backend tutorial_http
    balance roundrobin
    mode http
    server web1 172.16.13.135:80 check
    server web2 172.16.13.136:80 check
    server web3 172.16.13.137:80 check

listen stats *:8089
    stats enable
    stats uri /
    stats hide-version
    stats auth someuser:password

browser web page:  localhost:8088

health monitor : localhost:8089