HAProxy

global
        maxconn     25000
        daemon
        log 127.0.0.1   local0
        log 127.0.0.1   local1 notice


defaults
        mode        http
        clitimeout  60000
        srvtimeout  30000
        contimeout  4000
        option      httpclose
        maxconn     25000
        stats       enable
        log         global

listen stats :8080
        balance
        mode http
        stats enable
        stats auth me:password
frontend http-in
        bind *:80
        default_backend http-out

backend http-out
        mode http
        balance roundrobin
        option httpclose
        option forwardfor except 127.0.0.1
        server srv1 10.1.1.1:80 check
        server srv2 10.1.1.3:80 check