title: A vserver connects to the Internet
Need one special horizon
    -Internet connectivity
    -Need <b>--open_client</b> option
Need an <b>iptable</b> on the host
    -iptables -t nat -A OUTPUT -s 192.168.3.0/24 -p tcp -j REDIRECT --to-port 80
    -horizon must bind 127.0.0.1 on port 80
    -This intercept outside request from vserver
    -Request are forwarded to the blackhole
    -rule host1 vserverX internet port host2 KEEP port