关于C#操作防火墙,阻止程序联网

时间:2022-04-08 17:03:23
 //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<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<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);
}
}

//关闭防火墙
public void CloseFileWall()
{
// 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();
// 2.关闭防火墙
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 == "1")
{
rekey.SetValue("EnableFirewall", 0);
}
rekey.Close();
}
else
{
INetFwPolicy2 firewallPolicy = (INetFwPolicy2)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwPolicy2"));
// 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, false);
// 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, false);
}
}

//当检测不满足条件,阻止所有访问,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,开启所有访问
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 ApplicationName = "360安全浏览器";
// var ApplicationName = Application.ProductName;
var VersionName = rk.GetValue("ProductName").ToString();
if (VersionName.Contains("XP"))
{
// 创建firewall管理类的实例 ,删除添加程序到防火墙例外
INetFwMgr netFwMgr = (INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr"));
netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications.Remove(ApplicationName);
}
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
firewallPolicy.Rules.Remove(ApplicationName);
}
}
}