$cacert =~ s/\n/\\n/g;
my $config = {
+ 'secure-attention' => "Ctrl+Alt+Ins",
+ 'toggle-fullscreen' => "Shift+F11",
+ 'release-cursor' => "Ctrl+Alt+R",
type => 'spice',
title => $title,
host => $proxyticket, # this break tls hostname verification, so we need to use 'host-subject'