Windows Firewall: Read and Add Rule

WindowsFirewallService.cs

internal class WindowsFirewallService
{
    public static void AddRule(string ruleName, string udpPort)
    {
        var policy = CreatePolicy();
        var rule = CreateRule();
        rule.Name = ruleName;
        rule.Enabled = true;
        rule.Action = NET_FW_ACTION_.NET_FW_ACTION_ALLOW;
        rule.Profiles = (int)NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_ALL;
        rule.Protocol = (int)NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_UDP;
        rule.LocalPorts = udpPort;
        policy.Rules.Add(rule);
    }

    public static bool GetIsRuleActiveAsync(string ruleName)
    {
        var policy = CreatePolicy();
        var rules = policy.Rules.Cast<INetFwRule2>().Where(x => x.Direction == NET_FW_RULE_DIRECTION_.NET_FW_RULE_DIR_IN && x.Name == ruleName);
        var profiles = rules.Select(x => (NET_FW_PROFILE_TYPE2_)x.Profiles).ToArray();
        return profiles.Any(x => x.HasFlag(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_DOMAIN))
                && profiles.Any(x => x.HasFlag(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PRIVATE))
                && profiles.Any(x => x.HasFlag(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PUBLIC));
    }

    private static INetFwPolicy2 CreatePolicy() => (INetFwPolicy2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwPolicy2"));

    private static INetFwRule2 CreateRule() => (INetFwRule2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FWRule"));
}