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[操作系统]关于C#操作防火墙,阻止程序联网


//开启服务、开启防火墙 public void OpenFileWall() { // 1. 判断当前系统为XP或Win7 RegistryKey rk = Registry.LocalMachine.OpenSubKey(@"Software\\Microsoft\\Windows NT\\CurrentVersion"); var VersionName = rk.GetValue("ProductName").ToString(); rk.Close(); RegistryKey key; //获取防火墙服务名称 var ServicerName = ""; if (VersionName.Contains("XP")) { ServicerName = "SharedAccess"; key = Registry.LocalMachine.OpenSubKey(@"SYSTEM\\CurrentControlSet\\Services\\SharedAccess", true); } else { ServicerName = "MpsSvc"; key = Registry.LocalMachine.OpenSubKey(@"SYSTEM\\CurrentControlSet\\Services\\MpsSvc", true); } // 2. 判断防火墙启动类型是否为禁止,若为禁止设置其为自动 var StartIndex = key.GetValue("Start").ToString(); if (StartIndex == "4") { ProcessStartInfo objProInfo = new ProcessStartInfo(); objProInfo.FileName = "cmd.exe"; objProInfo.CreateNoWindow = false; objProInfo.WindowStyle = ProcessWindowStyle.Hidden; objProInfo.Arguments = "/c sc config " + ServicerName + " start= " + "auto"; Process.Start(objProInfo); //挂起线程1s后启动服务 System.Threading.Thread.Sleep(1000); } key.Close(); // 3. 判断防火墙服务是否启动 ServiceController sc = new ServiceController(ServicerName); if ((sc.Status.Equals(ServiceControllerStatus.Stopped)) || (sc.Status.Equals(ServiceControllerStatus.StopPending))) { sc.Start(); //挂起线程1s后开启防火墙 System.Threading.Thread.Sleep(1000); } // 4.开启防火墙 if (VersionName.Contains("XP")) { RegistryKey rekey = Registry.LocalMachine.OpenSubKey(@"SYSTEM\\CurrentControlSet\\Services\\SharedAccess\\Parameters\\FirewallPolicy\\StandardProfile", true); var Enablefilewall = rekey.GetValue("EnableFirewall").ToString(); if (Enablefilewall == "0") { rekey.SetValue("EnableFirewall", 1); } rekey.Close(); } else { INetFwPolicy2 firewallPolicy = (INetFwPolicy2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwPolicy2")); // 启用或禁用<高级安全Windows防火墙> - 专有配置文件的防火墙 firewallPolicy.set_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PRIVATE, true); // 启用或禁用<高级安全Windows防火墙> - 公用配置文件的防火墙 firewallPolicy.set_FirewallEnabled(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PUBLIC, true); } } //当检测不满足条件,阻止访问,只允许本程序运行 public void UnAllowOpenFW() { //判断系统属于xp还是win7 using (RegistryKey rk = Registry.LocalMachine.OpenSubKey(@"Software\\Microsoft\\Windows NT\\CurrentVersion")) { var VersionName = rk.GetValue("ProductName").ToString(); if (VersionName.Contains("XP")) { // 1. 创建一个认证程序类的实例 INetFwAuthorizedApplication Fwapp = (INetFwAuthorizedApplication)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwAuthorizedApplication")); Fwapp.Name = "360安全浏览器"; //Fwapp.Name = Application.ProductName; Fwapp.ProcessImageFileName = "C:\\Documents and Settings\\Administrator\\Application Data\\360se6\\Application\\360se.exe"; //Fwapp.ProcessImageFileName = Application.ExecutablePath; //是否启用 Fwapp.Enabled = true; // 2. 创建firewall管理类的实例 ,添加程序到防火墙例外 INetFwMgr netFwMgr = (INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr")); netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications.Add(Fwapp); } else { // 1. 创建实例,阻止所有的出站连接 INetFwPolicy2 firewallPolicy = (INetFwPolicy2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwPolicy2")); //启用或禁用<高级安全Windows防火墙> - 专有配置文件的出站连接 firewallPolicy.set_DefaultOutboundAction(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PRIVATE, NET_FW_ACTION_.NET_FW_ACTION_BLOCK); //启用或禁用<高级安全Windows防火墙> - 公用配置文件的出站连接 firewallPolicy.set_DefaultOutboundAction(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PUBLIC, NET_FW_ACTION_.NET_FW_ACTION_BLOCK); // 2. 创建本程序出站规则,只运行本程序的连接。 INetFwRule2 OutBoundRule = (INetFwRule2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FWRule")); OutBoundRule.Name = "360安全浏览器"; //OutBoundRule.Name = Application.ProductName; OutBoundRule.Description = "360安全浏览器"; //程序路径 OutBoundRule.ApplicationName = "C:\\Users\\Administrator\\AppData\\Roaming\\360se6\\Application\\360se.exe"; //OutBoundRule.ApplicationName = Application.ExecutablePath; OutBoundRule.Direction = NET_FW_RULE_DIRECTION_.NET_FW_RULE_DIR_OUT; OutBoundRule.Action = NET_FW_ACTION_.NET_FW_ACTION_ALLOW; OutBoundRule.Enabled = true; // 3.添加出站规则 firewallPolicy.Rules.Add(OutBoundRule); } } } //检测满足条件,开启访问 public void AllowOpenFW() { //判断系统属于xp还是win7 using (RegistryKey rk = Registry.LocalMachine.OpenSubKey(@"Software\\Microsoft\\Windows NT\\CurrentVersion")) { var VersionName = rk.GetValue("ProductName").ToString(); if (VersionName.Contains("XP")) {

//缺少方法 } else { // 1. 创建实例,允许所有程序的连接。 INetFwPolicy2 firewallPolicy = (INetFwPolicy2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwPolicy2")); //启用或禁用<高级安全Windows防火墙> - 专有配置文件的出站连接 firewallPolicy.set_DefaultOutboundAction(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PRIVATE, NET_FW_ACTION_.NET_FW_ACTION_ALLOW); //启用或禁用<高级安全Windows防火墙> - 公用配置文件的出站连接 firewallPolicy.set_DefaultOutboundAction(NET_FW_PROFILE_TYPE2_.NET_FW_PROFILE2_PUBLIC, NET_FW_ACTION_.NET_FW_ACTION_ALLOW); // 2. 删除本程序的出站规则删除规则 INetFwRule2 OutBoundRule = (INetFwRule2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FWRule")); OutBoundRule.Name = "360安全浏览器"; //OutBoundRule.Name = Application.ProductName; firewallPolicy.Rules.Remove(OutBoundRule.Name); } } }