C#给IIS添加禁止IP限制

        /// <summary>
        /// 给IIS添加禁止IP限制
        /// 仅针对iis 7及以上版本
        /// 首先需要引入Microsoft.Web.Administration.dll
        /// 该文件位置在windows2008的\Windows\System32\inetsrv目录下
        /// 注意：生成的EXE文件必须以管理员身份运行
        /// </summary>
        /// <param name="ip"></param>
        private static void banIP(string ip)
        {
            using (ServerManager serverManager = new ServerManager())
            {
                Configuration config = serverManager.GetApplicationHostConfiguration();
                ConfigurationSection ipSecuritySection = config.GetSection("system.webServer/security/ipSecurity");
                ConfigurationElementCollection ipSecurityCollection = ipSecuritySection.GetCollection();
                ConfigurationElement addElement = ipSecurityCollection.CreateElement("add");
                addElement["ipAddress"] = ip;
                ipSecurityCollection.Add(addElement);
                serverManager.CommitChanges();
            }
        }

来源：中国建筑市场网