扫描端口 [英] Scan Ports

问题描述

我想扫描我的本地端口并找到打开的端口。我怎么能在VB.Net中做到这一点？

I want to scan my local ports and find open ones. how can I do this in VB.Net??

推荐答案

您可以使用以下代码获取开放端口列表

You can use following code to get open port list

        

   Dim activeConnection() As System.Net.NetworkInformation.TcpConnectionInformation = System.Net.NetworkInformation.IPGlobalProperties.GetIPGlobalProperties.GetActiveTcpConnections
        Dim portList As New ArrayList
        For Each conn As System.Net.NetworkInformation.TcpConnectionInformation In activeConnection
            portList.Add(conn.LocalEndPoint.Port)
        Next

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