PowerShell/Scripts/send-udp.ps1

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<#
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.SYNOPSIS
send-udp.ps1 [<target-IP>] [<target-port>] [<message>]
.DESCRIPTION
Sends a UDP datagram message to the given IP address and port
.EXAMPLE
PS> .\send-udp.ps1 192.168.100.100 8080 "TEST"
.LINK
https://github.com/fleschutz/PowerShell
.NOTES
2021-08-03 15:53:57 +02:00
Author: Markus Fleschutz
License: CC0
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#>
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param([string]$TargetIP = "", [int]$TargetPort = 0, $[string]Message = "")
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try {
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if ($TargetIP -eq "" ) { $TargetIP = read-host "Enter target IP address" }
if ($TargetPort -eq 0 ) { $TargetPort = read-host "Enter target port" }
if ($Message -eq "" ) { $Message = read-host "Enter message to send" }
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$IP = [System.Net.Dns]::GetHostAddresses($TargetIP)
$Address = [System.Net.IPAddress]::Parse($IP)
$EndPoints = New-Object System.Net.IPEndPoint($Address, $TargetPort)
$Socket = New-Object System.Net.Sockets.UDPClient
$EncodedText = [Text.Encoding]::ASCII.GetBytes($Message)
$SendMessage = $Socket.Send($EncodedText, $EncodedText.Length, $EndPoints)
$Socket.Close()
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write-host -foregroundColor green "Done."
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exit 0
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} catch {
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write-error "⚠️ Error in line $($_.InvocationInfo.ScriptLineNumber): $($Error[0])"
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exit 1
}