Send-Udp

Sends a UDP datagram message to an IP address and port

Script

param([string]$TargetIP = "", [int]$TargetPort = 0, [string]$Message = "")

try {
	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" }

	$IP = [System.Net.Dns]::GetHostAddresses($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() 

	"?  Done."
	exit 0 # success
} catch {
	"?? ERROR: $($Error[0]) (script line $($_.InvocationInfo.ScriptLineNumber))"
	exit 1
}

Customize

TargetIP string

Specifies the target IP address

TargetPort int

Specifies the target port number

Message string

Specifies the message text to send