haproxy + crossbar try

gistfile1.txt

global
        log /dev/log    local0
        log /dev/log    local1 notice
        chroot /var/lib/haproxy
        stats socket /run/haproxy/admin.sock mode 660 level admin
        stats timeout 30s
        user haproxy
        group haproxy
        daemon

        # Default SSL material locations
        ca-base /etc/ssl/certs
        crt-base /etc/ssl/private

        # Default ciphers to use on SSL-enabled listening sockets.
        # For more information, see ciphers(1SSL).
        ssl-default-bind-ciphers kEECDH+aRSA+AES:kRSA+AES:+AES256:RC4-SHA:!kEDH:!LOW:!EXP:!MD5:!aNULL:!eNULL

defaults
        log     global
        mode    http
        option  httplog
        option  dontlognull
        timeout connect 5000
        timeout client  50000
        timeout server  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
        timeout tunnel 1h
        
frontend www
        bind 0.0.0.0:8081
        timeout client 1h
        default_backend websocket_backend

        acl is_websocket hdr(Upgrade) -i WebSocket
        use_backend websocket_backend if is_websocket

        tcp-request inspect-delay 500ms
        tcp-request content accept if HTTP
        #use_backend flashsocket_backend if !HTTP

backend websocket_backend
        mode http
        option forwardfor
        option http-server-close
        option forceclose
        no option httpclose

        server server1 crossbarhost:8081 weight 1 maxconn 8192 check