HAProxy.cfg

global
    log 127.0.0.1   local0
    log 127.0.0.1   local1 debug
    maxconn 4096

  defaults
    log     global
    mode    http
    option  httplog
    option  dontlognull
    retries 3
    option redispatch
    maxconn 2000
    timeout connect      5000
    timeout client      50000
    timeout server      50000

  frontend is.wso2.com
    bind *:443
    mode tcp
    default_backend nodes

  backend nodes
    mode tcp
    balance roundrobin
    server server1 192.168.64.7:443 check