public bool ForwardPort(MappingProtocol protocol, int port)
{
List <Mapping> mappingsToForward = new List <Mapping>(2);
if (protocol.HasFlag(MappingProtocol.Tcp))
{
mappingsToForward.Add(new Mapping(Protocol.Tcp, port, port));
}
if (protocol.HasFlag(MappingProtocol.Udp))
{
mappingsToForward.Add(new Mapping(Protocol.Udp, port, port));
}
try
{
foreach (Mapping mapping in mappingsToForward)
{
_natDevice.CreatePortMap(mapping);
}
return(true);
}
catch
{
return(false);
}
}
public bool CheckPort(MappingProtocol protocol, string ipAddress, int port)
{
bool tcpPortOpen = true;
bool udpPortOpen = true;
if (protocol.HasFlag(MappingProtocol.Tcp))
{
using (TcpClient client = new TcpClient())
{
try
{
client.Connect(ipAddress, port);
tcpPortOpen = true;
}
catch
{
tcpPortOpen = false;
}
}
}
if (protocol.HasFlag(MappingProtocol.Udp))
{
using (UdpClient client = new UdpClient())
{
try
{
client.Connect(ipAddress, port);
udpPortOpen = true;
}
catch
{
udpPortOpen = false;
}
}
}
return(udpPortOpen && tcpPortOpen);
}
