global
    log stdout  format raw  local0  info
    maxconn 2000
    tune.ssl.default-dh-param 2048

    # intermediate configuration
    ssl-default-bind-ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
    ssl-default-bind-ciphersuites TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256
    ssl-default-bind-options prefer-client-ciphers no-sslv3 no-tlsv10 no-tlsv11 no-tls-tickets

    ssl-default-server-ciphers ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384
    ssl-default-server-ciphersuites TLS_AES_128_GCM_SHA256:TLS_AES_256_GCM_SHA384:TLS_CHACHA20_POLY1305_SHA256
    ssl-default-server-options no-sslv3 no-tlsv10 no-tlsv11 no-tls-tickets

    ssl-dh-param-file /etc/haproxy/dhparam

defaults
    log global
    option httplog

    timeout connect    3s
    timeout client    10s
    timeout server    10m



frontend http_in_19901
    bind *:19901
    mode http

    acl is_rule_www_helloworld_com_19901_1 hdr(host) -i www.helloworld.com
    acl is_rule_www_helloworld_com_19901_2 hdr(host) -i www.helloworld.com:19901
    use_backend srv_www_helloworld_com_19901 if is_rule_www_helloworld_com_19901_1 OR is_rule_www_helloworld_com_19901_2

backend srv_www_helloworld_com_19901
    balance roundrobin
    mode http
    option forwardfor
    http-request set-header X-Forwarded-Port %[dst_port]
    http-request add-header X-Forwarded-Proto https if { ssl_fc }
    server srv-0 test_nginx.2.t5r94mjlced7m3t5orfjbowmm:80 check weight 1
    server srv-1 test_nginx.1.p552hqxkdx88narjrp5kouwb2:80 check weight 1

backend certbot_backend
    mode http
    server certbot 127.0.0.1:2080