C# WinForm 检查目标主机的端口是否可连接

一个小工具。

namespace IPPort_CheckTool

{

    partial class MainForm

    {

        /// <summary>

        /// 必需的设计器变量。

        /// </summary>

        private System.ComponentModel.IContainer components = null;

        /// <summary>

        /// 清理所有正在使用的资源。

        /// </summary>

        /// <param name="disposing">如果应释放托管资源，为 true；否则为 false。</param>

        protected override void Dispose(bool disposing)

        {

            if (disposing && (components != null))

            {

                components.Dispose();

            }

            base.Dispose(disposing);

        }

        #region Windows 窗体设计器生成的代码

        /// <summary>

        /// 设计器支持所需的方法 - 不要修改

        /// 使用代码编辑器修改此方法的内容。

        /// </summary>

        private void InitializeComponent()

        {

            this.groupBox1 = new System.Windows.Forms.GroupBox();

            this.txt_Time = new System.Windows.Forms.Label();

            this.txt_CoreNum = new System.Windows.Forms.Label();

            this.txt_Active = new System.Windows.Forms.Label();

            this.txt_NoActive = new System.Windows.Forms.Label();

            this.btn_Start = new System.Windows.Forms.Button();

            this.label3 = new System.Windows.Forms.Label();

            this.label2 = new System.Windows.Forms.Label();

            this.label1 = new System.Windows.Forms.Label();

            this.txt_PortEnd = new System.Windows.Forms.TextBox();

            this.txt_PortStart = new System.Windows.Forms.TextBox();

            this.txt_IP = new System.Windows.Forms.TextBox();

            this.listBox_NoActive = new System.Windows.Forms.ListBox();

            this.listBox_ActivePort = new System.Windows.Forms.ListBox();

            this.progressBar = new System.Windows.Forms.ProgressBar();

            this.groupBox1.SuspendLayout();

            this.SuspendLayout();

            //

            // groupBox1

            //

            this.groupBox1.Controls.Add(this.progressBar);

            this.groupBox1.Controls.Add(this.txt_Time);

            this.groupBox1.Controls.Add(this.txt_CoreNum);

            this.groupBox1.Controls.Add(this.txt_Active);

            this.groupBox1.Controls.Add(this.txt_NoActive);

            this.groupBox1.Controls.Add(this.btn_Start);

            this.groupBox1.Controls.Add(this.label3);

            this.groupBox1.Controls.Add(this.label2);

            this.groupBox1.Controls.Add(this.label1);

            this.groupBox1.Controls.Add(this.txt_PortEnd);

            this.groupBox1.Controls.Add(this.txt_PortStart);

            this.groupBox1.Controls.Add(this.txt_IP);

            this.groupBox1.Dock = System.Windows.Forms.DockStyle.Top;

            this.groupBox1.Location = new System.Drawing.Point(3, 3);

            this.groupBox1.Margin = new System.Windows.Forms.Padding(5);

            this.groupBox1.Name = "groupBox1";

            this.groupBox1.Padding = new System.Windows.Forms.Padding(5);

            this.groupBox1.Size = new System.Drawing.Size(1058, 127);

            this.groupBox1.TabIndex = 0;

            this.groupBox1.TabStop = false;

            this.groupBox1.Text = "配置：";

            //

            // txt_Time

            //

            this.txt_Time.AutoSize = true;

            this.txt_Time.ForeColor = System.Drawing.Color.Green;

            this.txt_Time.Location = new System.Drawing.Point(844, 101);

            this.txt_Time.Name = "txt_Time";

            this.txt_Time.Size = new System.Drawing.Size(74, 21);

            this.txt_Time.TabIndex = 10;

            this.txt_Time.Text = "耗时：0s";

            //

            // txt_CoreNum

            //

            this.txt_CoreNum.AutoSize = true;

            this.txt_CoreNum.ForeColor = System.Drawing.Color.Green;

            this.txt_CoreNum.Location = new System.Drawing.Point(610, 101);

            this.txt_CoreNum.Name = "txt_CoreNum";

            this.txt_CoreNum.Size = new System.Drawing.Size(120, 21);

            this.txt_CoreNum.TabIndex = 9;

            this.txt_CoreNum.Text = "CPU核心总数:0";

            //

            // txt_Active

            //

            this.txt_Active.AutoSize = true;

            this.txt_Active.ForeColor = System.Drawing.Color.Green;

            this.txt_Active.Location = new System.Drawing.Point(389, 101);

            this.txt_Active.Name = "txt_Active";

            this.txt_Active.Size = new System.Drawing.Size(119, 21);

            this.txt_Active.TabIndex = 8;

            this.txt_Active.Text = "激活端口总数:0";

            //

            // txt_NoActive

            //

            this.txt_NoActive.AutoSize = true;

            this.txt_NoActive.Location = new System.Drawing.Point(3, 101);

            this.txt_NoActive.Name = "txt_NoActive";

            this.txt_NoActive.Size = new System.Drawing.Size(135, 21);

            this.txt_NoActive.TabIndex = 7;

            this.txt_NoActive.Text = "未激活端口总数:0";

            //

            // btn_Start

            //

            this.btn_Start.Location = new System.Drawing.Point(915, 30);

            this.btn_Start.Name = "btn_Start";

            this.btn_Start.Size = new System.Drawing.Size(123, 56);

            this.btn_Start.TabIndex = 6;

            this.btn_Start.Text = "开始测试端口是否激活";

            this.btn_Start.UseVisualStyleBackColor = true;

            this.btn_Start.Click += new System.EventHandler(this.btn_Start_Click);

            //

            // label3

            //

            this.label3.AutoSize = true;

            this.label3.Location = new System.Drawing.Point(530, 41);

            this.label3.Name = "label3";

            this.label3.Size = new System.Drawing.Size(78, 21);

            this.label3.TabIndex = 5;

            this.label3.Text = "结束端口:";

            //

            // label2

            //

            this.label2.AutoSize = true;

            this.label2.Location = new System.Drawing.Point(252, 41);

            this.label2.Name = "label2";

            this.label2.Size = new System.Drawing.Size(78, 21);

            this.label2.TabIndex = 4;

            this.label2.Text = "开始端口:";

            //

            // label1

            //

            this.label1.AutoSize = true;

            this.label1.Location = new System.Drawing.Point(23, 41);

            this.label1.Name = "label1";

            this.label1.Size = new System.Drawing.Size(29, 21);

            this.label1.TabIndex = 3;

            this.label1.Text = "IP:";

            //

            // txt_PortEnd

            //

            this.txt_PortEnd.Location = new System.Drawing.Point(633, 41);

            this.txt_PortEnd.Name = "txt_PortEnd";

            this.txt_PortEnd.Size = new System.Drawing.Size(150, 29);

            this.txt_PortEnd.TabIndex = 2;

            //

            // txt_PortStart

            //

            this.txt_PortStart.Location = new System.Drawing.Point(355, 41);

            this.txt_PortStart.Name = "txt_PortStart";

            this.txt_PortStart.Size = new System.Drawing.Size(150, 29);

            this.txt_PortStart.TabIndex = 1;

            //

            // txt_IP

            //

            this.txt_IP.Location = new System.Drawing.Point(77, 41);

            this.txt_IP.Name = "txt_IP";

            this.txt_IP.Size = new System.Drawing.Size(150, 29);

            this.txt_IP.TabIndex = 0;

            //

            // listBox_NoActive

            //

            this.listBox_NoActive.Dock = System.Windows.Forms.DockStyle.Left;

            this.listBox_NoActive.ForeColor = System.Drawing.Color.Gray;

            this.listBox_NoActive.FormattingEnabled = true;

            this.listBox_NoActive.ItemHeight = 21;

            this.listBox_NoActive.Location = new System.Drawing.Point(3, 130);

            this.listBox_NoActive.Name = "listBox_NoActive";

            this.listBox_NoActive.Size = new System.Drawing.Size(383, 548);

            this.listBox_NoActive.TabIndex = 1;

            //

            // listBox_ActivePort

            //

            this.listBox_ActivePort.Dock = System.Windows.Forms.DockStyle.Fill;

            this.listBox_ActivePort.ForeColor = System.Drawing.Color.Green;

            this.listBox_ActivePort.FormattingEnabled = true;

            this.listBox_ActivePort.ItemHeight = 21;

            this.listBox_ActivePort.Location = new System.Drawing.Point(386, 130);

            this.listBox_ActivePort.Name = "listBox_ActivePort";

            this.listBox_ActivePort.Size = new System.Drawing.Size(675, 548);

            this.listBox_ActivePort.TabIndex = 2;

            //

            // progressBar

            //

            this.progressBar.Location = new System.Drawing.Point(798, 41);

            this.progressBar.Name = "progressBar";

            this.progressBar.Size = new System.Drawing.Size(100, 29);

            this.progressBar.TabIndex = 11;

            //

            // MainForm

            //

            this.AutoScaleDimensions = new System.Drawing.SizeF(10F, 21F);

            this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;

            this.ClientSize = new System.Drawing.Size(1064, 681);

            this.Controls.Add(this.listBox_ActivePort);

            this.Controls.Add(this.listBox_NoActive);

            this.Controls.Add(this.groupBox1);

            this.Font = new System.Drawing.Font("微软雅黑", 12F, System.Drawing.FontStyle.Regular, System.Drawing.GraphicsUnit.Point, ((byte)(134)));

            this.Margin = new System.Windows.Forms.Padding(5);

            this.Name = "MainForm";

            this.Padding = new System.Windows.Forms.Padding(3);

            this.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen;

            this.Text = "Hello!";

            this.groupBox1.ResumeLayout(false);

            this.groupBox1.PerformLayout();

            this.ResumeLayout(false);

        }

        #endregion

        private System.Windows.Forms.GroupBox groupBox1;

        private System.Windows.Forms.Label label1;

        private System.Windows.Forms.TextBox txt_PortEnd;

        private System.Windows.Forms.TextBox txt_PortStart;

        private System.Windows.Forms.TextBox txt_IP;

        private System.Windows.Forms.Label label2;

        private System.Windows.Forms.Label label3;

        private System.Windows.Forms.Button btn_Start;

        private System.Windows.Forms.ListBox listBox_NoActive;

        private System.Windows.Forms.ListBox listBox_ActivePort;

        private System.Windows.Forms.Label txt_NoActive;

        private System.Windows.Forms.Label txt_Active;

        private System.Windows.Forms.Label txt_CoreNum;

        private System.Windows.Forms.Label txt_Time;

        private System.Windows.Forms.ProgressBar progressBar;

    }

}

using System;

using System.Configuration;

using System.Linq;

using System.Net;

using System.Net.NetworkInformation;

using System.Net.Sockets;

using System.Threading.Tasks;

using System.Windows.Forms;

namespace IPPort_CheckTool

{

    public partial class MainForm : Form

    {

        private Configuration config = ConfigurationManager.OpenExeConfiguration(Application.ExecutablePath);

        private DateTime startTime;

        private Task[] tasks;

        private NotifyIcon notifyIcon;

        public MainForm()

        {

            InitializeComponent();

            var now = DateTime.Now;

            this.Text = $"Hello 今天是{now.ToString("dddd")}哟 ";

            this.txt_IP.Text = ConfigurationManager.AppSettings["IP"].ToString();

            this.txt_PortStart.Text = ConfigurationManager.AppSettings["MinPortStart"].ToString();

            this.txt_PortEnd.Text = ConfigurationManager.AppSettings["MaxPortEnd"].ToString();

            this.txt_CoreNum.Text = $"CPU核心总数：{Environment.ProcessorCount}";

            this.components = new System.ComponentModel.Container();

            this.notifyIcon = new NotifyIcon(this.components);

            this.notifyIcon.Visible = true;

            this.notifyIcon.MouseClick += (sn, en) => { if (en.Button == MouseButtons.Left) this.Show(); };

            var menus = new ContextMenu();

            var menu1= new MenuItem("退出软件");

            menu1.Click += (s1, e1) => { this.Close(); };

            menus.MenuItems.Add(menu1);

            notifyIcon.ContextMenu= menus;

        }

        private void btn_Start_Click(object sender, EventArgs e)

        {

            string ip = this.txt_IP.Text.Trim();

            string min = this.txt_PortStart.Text.Trim();

            string max = this.txt_PortEnd.Text.Trim();

            if (string.IsNullOrWhiteSpace(ip) || string.IsNullOrWhiteSpace(min) || string.IsNullOrWhiteSpace(max))

            {

                MessageBox.Show("不能为空！");

                return;

            }

            if (!int.TryParse(min, out var minPort) || !int.TryParse(max, out var maxPort))

            {

                MessageBox.Show("端口不是整数！");

                return;

            }

            config.AppSettings.Settings["IP"].Value = ip;

            config.AppSettings.Settings["MinPortStart"].Value = min;

            config.AppSettings.Settings["MaxPortEnd"].Value = max;

            config.Save();

            ConfigurationManager.RefreshSection("appSettings");

            IPAddress targetIpAddress = IPAddress.Parse(ip);

            var ipadrlist = Dns.GetHostAddresses(Dns.GetHostName()).ToList();

            ipadrlist.Add(IPAddress.Parse("127.0.0.1"));

            ipadrlist.Add(IPAddress.Parse("0.0.0.0"));

            if (ipadrlist.Contains(targetIpAddress))

            {

                CheckLocalPort(minPort, maxPort);//本地IP

            }

            else

            {

                CheckRemotePort(ip, minPort, maxPort);//远程IP

            }

        }

        private void CheckLocalPort(int minPort, int maxPort)

        {

            btn_Start.Enabled = false;

            listBox_NoActive.Items.Clear();

            listBox_ActivePort.Items.Clear();

            startTime = DateTime.Now;

            int length = maxPort - minPort + 1;

            progressBar.Maximum = length;

            progressBar.Minimum = 0;

            var ips = IPGlobalProperties.GetIPGlobalProperties();

            var activeIps = ips.GetActiveTcpListeners().Select(p => p.Port).ToHashSet();

            Task.Factory.StartNew(new Action(() =>

            {

                for (int i = minPort; i <= maxPort; i++)

                {

                    int port = i;

                    this?.Invoke(new Action(() =>

                    {

                        if (activeIps.Contains(port))

                        {

                            listBox_ActivePort.Items.Insert(0, port);

                            txt_Active.Text = $"激活端口总数：{listBox_ActivePort.Items.Count}";

                        }

                        else

                        {

                            listBox_NoActive.Items.Insert(0, port);

                            txt_NoActive.Text = $"未激活端口总数：{listBox_NoActive.Items.Count}";

                        }

                        progressBar.Value = listBox_ActivePort.Items.Count + listBox_NoActive.Items.Count;

                        txt_Time.Text = $"耗时：{(DateTime.Now - startTime).TotalSeconds.ToString()}s";

                        //耗时操作卡死UI 处理方法

                        Application.DoEvents();

                    }));

                }

            })).ContinueWith(p => InitUI());

        }

        private void CheckRemotePort(string ip, int minPort, int maxPort)

        {

            btn_Start.Enabled = false;

            listBox_NoActive.Items.Clear();

            listBox_ActivePort.Items.Clear();

            startTime = DateTime.Now;

            int length = maxPort - minPort + 1;

            tasks = new Task[length];

            progressBar.Maximum = length;

            progressBar.Minimum = 0;

            Task.Run(() =>

            {

                for (int i = minPort; i <= maxPort; i++)

                {

                    int port = i;

                    var task = Task.Factory.StartNew(new Action(() =>

                    {

                        var res = CheckRemotePortCanConnect(ip, port);

                        this?.Invoke(new Action(() =>

                        {

                            if (res.Item1)

                            {

                                listBox_ActivePort.Items.Insert(0, res.Item2);

                                txt_Active.Text = $"激活端口总数：{listBox_ActivePort.Items.Count}";

                            }

                            else

                            {

                                listBox_NoActive.Items.Insert(0, res.Item2);

                                txt_NoActive.Text = $"未激活端口总数：{listBox_NoActive.Items.Count}";

                            }

                            progressBar.Value = listBox_ActivePort.Items.Count + listBox_NoActive.Items.Count;

                            txt_Time.Text = $"耗时：{(DateTime.Now - startTime).TotalSeconds.ToString()}s";

                            //耗时操作卡死UI 处理方法

                            Application.DoEvents();

                        }));

                    }));

                    tasks[i - minPort] = task;

                }

                Task.WaitAll(tasks);

            }).ContinueWith(p => InitUI());

        }

        private void InitUI()

        {

            this?.Invoke(new Action(() => { btn_Start.Enabled = true; }));

        }

        private (bool,int) CheckRemotePortCanConnect(string ipString, int port)

        {

            IPAddress ip = IPAddress.Parse(ipString);

            bool isConnect = false;

            TcpClient tcp = new TcpClient();

            try

            {

                tcp.Connect(ip, port);

                isConnect = tcp.Connected;

            }

            catch (Exception)

            {

                isConnect = false;

            }

            finally

            {

                tcp?.Close();

                tcp?.Dispose();

            }

            return (isConnect, port);

        }

    }

}

C# WinForm 检查目标主机的端口是否可连接的更多相关文章

ORA-12545: 因目标主机或对象不存在, 连接失败
ORA-12545: 因目标主机或对象不存在, 连接失败 1. 问题描述 XP系统下同时安装了AX1应用程序和升级版AX2,连接同一个在本机Oracle客户端上配置的连接实例,其中AX2显示链接成功, ...
使用C#winform编写渗透测试工具--端口扫描
使用C#winform编写渗透测试工具--端口扫描器主要介绍使用C#winform编写渗透测试工具--端口扫描器,端口扫描器则是一种检测服务器或者主机虚拟端口是开启或关闭的工具.由于连接到局域网或互 ...
通过端口 8080 连接到主机 localhost 的 TCP/IP 连接失败
错误:“connect timed out.请验证连接属性,并检查 SQL Server 的实例正在主机上运行,且在此端口接受 TCP/IP 连接,还要确保防火墙没有阻止到此端口的 TCP 连接.”这 ...
【转】Java JDBC连接SQL Server2005错误：通过端口 1433 连接到主机 localhost 的 TCP/IP 连接失败
错误原因如下: Exception in thread "main" org.hibernate.exception.JDBCConnectionException: Cannot ...
Java JDBC连接SQL Server2005错误：通过端口 1433 连接到主机 localhost 的 TCP/IP 连接失败及sql2008外围服务器
转载:Java JDBC连接SQL Server2005错误:通过端口 1433 连接到主机 localhost 的 TCP/IP 连接失败错误原因如下: Exception in thread & ...
浅谈如何检查Linux中开放端口列表
给大家分享一篇关于如何检查Linux中的开放端口列表的详细介绍,首先如果你想检查远程Linux系统上的端口是否打开请点击链接浏览.如果你想检查多个远程Linux系统上的端口是否打开请点击链接浏览.如果 ...
使用MSF发现主机和端口扫描
使用MSF发现主机和端口扫描使用search命令查找需要的模块 MSF模块太多,记不住怎么办!!! 我们不需要记住所有模块,我们只要能找到我们想用的模块就行,平时积累使用的模块也行哦! 比如,我们通 ...
sql 2000 无法连接远程数据库 sqlserver不存在或访问被拒绝、不能打开到主机的连接，在端口1433：连接失败等解决方案
问题: sql 2000 无法连接远程数据库 sqlserver不存在或访问被拒绝 telnet 127.0.0.1 1433 提示:不能打开到主机的连接,在端口1433:连接失败解决方案: ...
SQLServerException：通过端口 1433 连接到主机 localhost 的 TCP/IP 连接失败。
一.问题描述: 1.连接数据库时抛出的异常: com.microsoft.sqlserver.jdbc.SQLServerException: 通过端口 1433 连接到主机 localhost 的 ...
Python_跟随目标主机IP变换
''' 为了防止黑客攻击或者负载均衡,会经常变换主机,这样同一个域名在不同时间可能会对应不同的IP地址,在这种情况下可以通过 socket模块的gethostbyname()函数来实时获取目标主机的I ...

随机推荐

JS转义html编码
两个方法: 1.利用用浏览器内部转换器实现html转义: 2.用正则表达式实现html转义: var HtmlUtil = { /*1.用浏览器内部转换器实现html编码(转义)*/ htmlEnco ...
Robot_Parkour_Learning分享报告关键词记录
fraction noise minecraft perlin noise 作为一种fraction noise 跑酷深度相机,不然被挡住不知道是要下蹲还是要跳过去 issacGym的激光雷达的模拟 ...
24暑集训Week1
24暑集训Week1 夜行的人,若你不唱歌的话,不惊醒这黑夜的话,就永远也走不出呼蓝别斯了. 这重重的森林,这崎岖纤细的山路,这孤独疲惫的心. 亲爱的,哪怕后来去到了城市,走夜路时也要大声地唱歌,像喝 ...
使用ssh 通过ProxyCommand：利用跳板机让不在同一局域网的机器ssh直连
打开~/.ssh/config文件,如果没有则新建一个输入以下内容并保存: Host dxx.sxx-bastion # jumpserver name hostname 54.65.xx.2xx ...
Codeforces Round 975 Div.2 C题解析
C题题目链接:Problem - C - Codeforces 题目描述思路对于这道题,首先我们能想到最小的组数肯定是数量最多的那个卡片的数量(mx),因为这个值的每一个卡片不能在同一个组里面. ...
基于nginx的tomcat负载均衡和集群(超简单)
今天看到"基于apache的tomcat负载均衡和集群配置 "这篇文章成为javaEye热点. 略看了一下,感觉太复杂,要配置的东西太多,因此在这里写出一种更简洁的方法. 要集群t ...
vue2-路由Router
Vue 中的路由用于实现单页应用(SPA)中的页面导航.它允许你在不刷新整个页面的情况下,根据不同的 URL 路径显示不同的组件,提供了类似于多页面应用的用户体验.例如,在一个电商应用中,可以通过 ...
进程管理工具之supervisor（完整版）*
Supervisor 介绍 Supervisor是用Python开发的一套通用的进程管理程序,能将一个普通的命令行进程变为后台daemon,并监控进程状态,异常退出时能自动重启.它是通过fork/ex ...
解析HTML字符串成AST树
1. 如何将一个字符传转换成一个AST树结构. 直接上代码: const attribute = /^\s*([^\s"'<>\/=]+)(?:\s*(=)\s*(?:" ...
MiniTomcat 系列：第一章：解锁实现基础 HTTP 服务器的奥秘
第一步:实现基础 HTTP 服务器在这一章中,我们将从零开始编写一个简单的 HTTP 服务器.这个服务器的基本功能是监听一个端口,接收来自客户端的 HTTP 请求,并返回一个 HTTP 响应.我们将 ...

C# WinForm 检查目标主机的端口是否可连接

C# WinForm 检查目标主机的端口是否可连接的更多相关文章

随机推荐

热门专题