public FW_ERROR_CODE IsPortEnabled(int nPortNumber, NET_FW_IP_PROTOCOL_ ipProtocol, ref bool bEnable)
{
if (m_FirewallProfile == null)
{
return(FW_ERROR_CODE.FW_ERR_INITIALIZED);
}
// Retrieve the open ports collection
INetFwOpenPorts FWOpenPorts = m_FirewallProfile.GloballyOpenPorts;
if (FWOpenPorts == null)
{
return(FW_ERROR_CODE.FW_ERR_GLOBAL_OPEN_PORTS);
}
// Get the open port
try
{
INetFwOpenPort FWOpenPort = FWOpenPorts.Item(nPortNumber, ipProtocol);
if (FWOpenPort != null)
{
bEnable = FWOpenPort.Enabled;
}
else
{
bEnable = false;
}
}
catch (FileNotFoundException)
{
bEnable = false;
}
return(FW_ERROR_CODE.FW_NOERROR);
}
public bool IsPortEnabled(int port, NET_FW_IP_PROTOCOL_ ipProtocol)
{
DoDisposeCheck();
DoInitializationCheck();
bool result = false;
// Retrieve the open ports collection
INetFwOpenPorts firewallOpenPorts = mFirewallProfile.GloballyOpenPorts;
if (firewallOpenPorts == null)
{
throw new FirewallException("Failed to get globally open ports.");
}
// Get the open port
try
{
INetFwOpenPort firewallOpenPort = firewallOpenPorts.Item(port, ipProtocol);
if (firewallOpenPort != null)
{
result = firewallOpenPort.Enabled;
}
}
catch (Exception)
{
}
return(result);
}
public FwErrorCode IsPortEnabled(int nPortNumber, NET_FW_IP_PROTOCOL_ ipProtocol, ref bool bEnable)
{
if (_mFirewallProfile == null)
{
return(FwErrorCode.FwErrInitialized);
}
// Retrieve the open ports collection
INetFwOpenPorts fwOpenPorts = _mFirewallProfile.GloballyOpenPorts;
if (fwOpenPorts == null)
{
return(FwErrorCode.FwErrGlobalOpenPorts);
}
// Get the open port
try
{
INetFwOpenPort fwOpenPort = fwOpenPorts.Item(nPortNumber, ipProtocol);
bEnable = fwOpenPort?.Enabled == true;
}
catch (System.IO.FileNotFoundException)
{
bEnable = false;
}
return(FwErrorCode.FwNoerror);
}