C#控制系統防火牆

using System;using System.Collections.Generic;using System.Text;using NetFwTypeLib;namespace FireWallTest{ public class FireWallHelp { /// /// 添加防火牆例外連接埠 /// /// 名稱 /// 連接埠 /// 協議(TCP、UDP) public static void NetFwAddPorts(string name, int port, string protocol)
{ //建立firewall管理類的執行個體 INetFwMgr netFwMgr = (INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr")); INetFwOpenPort objPort = (INetFwOpenPort)Activator.CreateInstance( Type.GetTypeFromProgID("HNetCfg.FwOpenPort")); objPort.Name = name; objPort.Port
= port; if (protocol.ToUpper() == "TCP") { objPort.Protocol = NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_TCP; } else { objPort.Protocol = NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_UDP; } objPort.Scope = NET_FW_SCOPE_.NET_FW_SCOPE_ALL; objPort.Enabled = true; bool
exist = false; //加入到防火牆的管理原則 foreach (INetFwOpenPort mPort in netFwMgr.LocalPolicy.CurrentProfile.GloballyOpenPorts) { if (objPort == mPort) { exist = true; break; } } if (exist) { System.Windows.Forms.MessageBox.Show("exist"); } if (!exist) netFwMgr.LocalPolicy.CurrentProfile.GloballyOpenPorts.Add(objPort);
} /// /// 將應用程式添加到防火牆例外 /// /// 應用程式名稱 /// 應用程式可執行檔全路徑 public static void NetFwAddApps(string name, string executablePath) { //建立firewall管理類的執行個體 INetFwMgr netFwMgr = (INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr")); INetFwAuthorizedApplication
app = (INetFwAuthorizedApplication)Activator.CreateInstance( Type.GetTypeFromProgID("HNetCfg.FwAuthorizedApplication")); //在例外列表裡，程式顯示的名稱 app.Name = name; //程式的路徑及檔案名稱 app.ProcessImageFileName = executablePath; //是否啟用該規則 app.Enabled = true; //加入到防火牆的管理原則 netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications.Add(app);
bool exist = false; //加入到防火牆的管理原則 foreach (INetFwAuthorizedApplication mApp in netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications) { if (app == mApp) { exist = true; break; } } if (!exist) netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications.Add(app);
} /// /// 刪除防火牆例外連接埠 /// /// 連接埠 /// 協議（TCP、UDP） public static void NetFwDelApps(int port, string protocol) { INetFwMgr netFwMgr = (INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr")); if (protocol == "TCP") { netFwMgr.LocalPolicy.CurrentProfile.GloballyOpenPorts.Remove(port,
NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_TCP); } else { netFwMgr.LocalPolicy.CurrentProfile.GloballyOpenPorts.Remove(port, NET_FW_IP_PROTOCOL_.NET_FW_IP_PROTOCOL_UDP); } } /// /// 刪除防火牆例外中應用程式 /// /// 程式的絕對路徑 public static void NetFwDelApps(string executablePath)
{ INetFwMgr netFwMgr = (INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr")); netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications.Remove(executablePath); } }}