dns，gethostaddresses仅返回一个ip地址

Question

我正在尝试获取主机的所有ip地址，并需要将这些ip添加到防火墙例外规则中。我正在使用stystem.net dns.gethostaddresses获取IP地址列表。但它在任何时候都只返回一个ip地址，而不是获取与该主机名关联的所有ip地址。

下面是代码片段...

IPAddress[] arr=Dns.GetHostAddresses(ConfigurationSettings.AppSettings["Host"].ToString());

            foreach (IPAddress ip in arr)
            {
                Console.WriteLine(ip.ToString());
            }

Answer 1

假设您在同一台计算机上运行代码，并且该计算机具有多个接口和多个IP，则Addresses.This代码适用于我

 foreach (NetworkInterface netInterface in NetworkInterface.GetAllNetworkInterfaces())
  {
    Console.WriteLine("Name: " + netInterface.Name);
    Console.WriteLine("Description: " + netInterface.Description);
    Console.WriteLine("Addresses: ");
    IPInterfaceProperties ipProps = netInterface.GetIPProperties();
    foreach (UnicastIPAddressInformation addr in ipProps.UnicastAddresses)
    {
      Console.WriteLine(" " + addr.Address.ToString());
    }
    Console.WriteLine("");
  }