in Source/Program.cs [190:202]
public void AddBlockedService(string host)
{
if (host.Equals(ExternalServicesGuid))
{
blockExternalServices = true;
}
if (!blockedHostList.ContainsHost(host))
{
string hosts = String.Format("{0}; {1}", blockedHostList, host);
blockedHostList = new HostList(hosts);
}
}