ericwong27, did this help?
-- hbz
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Question
Ping IP by Port
Does any one know how to ping IP by port? Thank in advance
E.g
Module Module1
Sub Main()
Dim siteResponds As Boolean = False
siteResponds = Ping("192.10.10.0:5000")
End Sub
Function Ping(ByVal IP As String) as Boolean
' Code to ping IP by port
End Function
End Module
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Answers
Hi, Hbz
Throw exception maybe not a best choice. By the way I manage workout alternative solution from your hints. Thank
' An alternative solution without throw exception
Private Function EstablishConnection(ByVal IpAddress As String, ByVal port As Integer) As Boolean
Dim socket As Socket = New Socket(AddressFamily.Inter
Dim result As IAsyncResult = socket.BeginConnect(IpAddr
Dim success As Boolean = result.AsyncWaitHandle.Wai
If Not success Then
socket.Close()
Return False
End If
Return True
End Function
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by: hbzPosted on 2006-10-07 at 10:59:39ID: 17683206
You cannot ping a port. You can, however, attempt to open a connection
Imports System.Net.Sockets
Dim t As New TcpClient()
t.Connect("192.168.1.1", 21343) ' Will throw exception if cannot connect
-- hbz