public bool IsEnabled()
{
#if !DotNetCoreClrLinux && !DotNetCoreClrIOT
System.ServiceProcess.ServiceController controller = new System.ServiceProcess.ServiceController(FirewallService);
return(controller.Status == System.ServiceProcess.ServiceControllerStatus.Running ||
policy.get_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_DOMAIN) ||
policy.get_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PRIVATE) ||
policy.get_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PUBLIC));
#else
// For now assume firewall is always enabled on Linux
return(true);
#endif
}
private bool TestFirewallEnabled(bool Enable)
{
if (mFirewallPolicy.get_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PRIVATE) != Enable)
{
return(false);
}
if (mFirewallPolicy.get_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_DOMAIN) != Enable)
{
return(false);
}
if (mFirewallPolicy.get_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PUBLIC) != Enable)
{
return(false);
}
return(true);
}
/* Checks local and policy setting for enabled firewall by profile */
public Boolean isEnabled(NET_FW_PROFILE_TYPE2_ fwProfile, bool updateProfile = true)
{
var enabled = false;
if (updateProfile)
{
updateCurrentProfile();
}
//something went wrong; abort and say not enabled
if (fw == null)
{
return(enabled);
}
if (fw.get_FirewallEnabled(fwProfile))
{
enabled = true;
}
//check GPO
if (!enabled)
{
enabled = Convert.ToBoolean(Registry.GetValue(hkeyRoot + "\\" + fwRegKey[fwProfile], "EnableFirewall", false));
}
return(enabled);
}
/// <summary>
/// Is the Windows firewall enabled?
/// </summary>
/// <returns>Returns True if enabled, or false if disabled.</returns>
public static bool IsEnabled()
{
INetFwPolicy2 policy = GetCurrentPolicy();
NET_FW_PROFILE_TYPE2_ currentProfileTypes;
currentProfileTypes = (NET_FW_PROFILE_TYPE2_)policy.CurrentProfileTypes;
return(policy.get_FirewallEnabled(currentProfileTypes));
}
/// <summary>
/// Throw an exception if Windows firewall is disabled
/// </summary>
public static void ThrowExceptionIfWindowsFirewallIsDisabled()
{
// netsh advfirewall show allprofiles state
if (!policy.get_FirewallEnabled(NetFwProfileType2.Domain) &&
!policy.get_FirewallEnabled(NetFwProfileType2.Private) &&
!policy.get_FirewallEnabled(NetFwProfileType2.Public) &&
!manager.LocalPolicy.CurrentProfile.FirewallEnabled)
{
// read firewall state from powershell script
ProcessStartInfo psScript = new ProcessStartInfo("powershell", "Get-NetfirewallProfile -PolicyStore ActiveStore")
{
RedirectStandardOutput = true,
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden
};
using Process psProcess = Process.Start(psScript);
psProcess.WaitForExit();
string text = psProcess.StandardOutput.ReadToEnd();
if (!Regex.IsMatch(text, @"enabled\s*:\s*true", RegexOptions.IgnoreCase | RegexOptions.CultureInvariant))
{
throw new ApplicationException("Windows firewall is currently disabled, please enable Windows firewall. Public, Private and Domain profiles were checked for active state.");
}
}
}
private FirewallStatus FirewallStatus(FirewallDomain?domain)
{
// Gets the current firewall profile (domain, public, private, etc.)
NET_FW_PROFILE_TYPE2_ fwCurrentProfileTypes;
if (domain.HasValue)
{
fwCurrentProfileTypes = (NET_FW_PROFILE_TYPE2_)domain;
}
else
{
fwCurrentProfileTypes = (NET_FW_PROFILE_TYPE2_)policyManager.CurrentProfileTypes;
}
return((FirewallStatus)Convert.ToInt32(policyManager.get_FirewallEnabled(fwCurrentProfileTypes)));
}
static void publicFirewall()
{
Type netFwPolicy2Type = Type.GetTypeFromProgID("HNetCfg.FwPolicy2");
INetFwPolicy2 mgr = (INetFwPolicy2)Activator.CreateInstance(netFwPolicy2Type);
NET_FW_PROFILE_TYPE2_ fwPublicProfileType = NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PUBLIC;
Console.WriteLine("Public Profile Type:");
var firewallEnabled = mgr.get_FirewallEnabled(fwPublicProfileType);
var blockAllInboundTraffic = mgr.get_BlockAllInboundTraffic(fwPublicProfileType);
var defaultInboundAction = mgr.get_DefaultInboundAction(fwPublicProfileType);
var defaultOutboundAction = mgr.get_DefaultOutboundAction(fwPublicProfileType);
Console.WriteLine($"Firewall Enabled: {firewallEnabled.ToString()}");
Console.WriteLine($"Block All Inbound Traffic: {blockAllInboundTraffic.ToString()}");
Console.WriteLine($"Default Inbound Action:{defaultInboundAction.ToString()}");
Console.WriteLine($"Default Outbound Action:{defaultOutboundAction.ToString()}");
}
public static bool GetFirewallStatus()
{
bool result = false;
try
{
INetFwPolicy2 fwPolicy2 = getCurrPolicy();
NET_FW_PROFILE_TYPE2_ fwCurrentProfileTypes;
//read Current Profile Types (only to increase Performace)
//avoids access on CurrentProfileTypes from each Property
fwCurrentProfileTypes = (NET_FW_PROFILE_TYPE2_)fwPolicy2.CurrentProfileTypes;
result = (fwPolicy2.get_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PUBLIC));
}
catch (Exception e)
{
Logger.Log(e.ToString());
}
return(result);
}
public bool GetFirewallEnabled(FirewallRule.Profiles profileType)
{
return(NetFwPolicy.get_FirewallEnabled((NET_FW_PROFILE_TYPE2_)profileType));
}
