C#添加删除防火墙例外（程序、端口）
一、 添加 COM 引用
在引用里，选择 COM 页， 找到 NetFwTypeLib , 确定即可
二、 添加允许通过防火墙的例外程序
using System;using System.Collections.Generic;using System.Linq;using System.Text;using NetFwTypeLib;namespace Common{ public static class INetFwManger { /// <summary> /// 添加防火墙例外端口 /// </summary> /// <param name="name">名称</param> /// <param name="port">端口</param> /// <param name="protocol">协议(TCP、UDP)</param> public static void NetFwAddPorts(string name, int port, string protocol) { //创建firewall管理类的实例 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; //加入到防火墙的管理策略 foreach (INetFwOpenPort mPort in netFwMgr.LocalPolicy.CurrentProfile.GloballyOpenPorts) { if (objPort == mPort) { exist = true; break; } } if (!exist) netFwMgr.LocalPolicy.CurrentProfile.GloballyOpenPorts.Add(objPort); } /// <summary> /// 将应用程序添加到防火墙例外 /// </summary> /// <param name="name">应用程序名称</param> /// <param name="executablePath">应用程序可执行文件全路径</param> public static void NetFwAddApps(string name, string executablePath) { //创建firewall管理类的实例 INetFwMgr netFwMgr = (INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr")); INetFwAuthorizedApplication app = (INetFwAuthorizedApplication)Activator.CreateInstance( Type.GetTypeFromProgID("HNetCfg.FwAuthorizedApplication")); //在例外列表里，程序显示的名称 app.Name = name; //程序的路径及文件名 app.ProcessImageFileName = executablePath; //是否启用该规则 app.Enabled = true; //加入到防火墙的管理策略 netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications.Add(app); bool exist = false; //加入到防火墙的管理策略 foreach (INetFwAuthorizedApplication mApp in netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications) { if (app == mApp) { exist = true; break; } } if (!exist) netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications.Add(app); } /// <summary> /// 删除防火墙例外端口 /// </summary> /// <param name="port">端口</param> /// <param name="protocol">协议（TCP、UDP）</param> 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); } } /// <summary> /// 删除防火墙例外中应用程序 /// </summary> /// <param name="executablePath">程序的绝对路径</param> public static void NetFwDelApps(string executablePath) { INetFwMgr netFwMgr = (INetFwMgr)Activator.CreateInstance(Type.GetTypeFromProgID("HNetCfg.FwMgr")); netFwMgr.LocalPolicy.CurrentProfile.AuthorizedApplications.Remove(executablePath); } }}?