private void UpdateFirewallLabel()
{
if (nodePortOpenCheckButton.Active == true) {
firewallStatusLabel.Markup = "<span color=\"darkgreen\">No Firewall was found to be blocking Meshwork!</span>";
} else {
firewallStatusLabel.Markup = "Incoming connections to this port appear to be blocked or are not properly forwarded, check your router/firewall.\n<span size=\"small\">Meshwork <b>will</b> operate properly with the port closed.</span>";
}
}