PowerShell/Scripts/scan-ports.ps1
2021-10-16 16:50:10 +02:00

33 lines
808 B
PowerShell
Executable File

<#
.SYNOPSIS
Scans the network for open/closed ports
.DESCRIPTION
This script scans the network for open or closed ports
.EXAMPLE
PS> ./scan-ports
.NOTES
Author: Markus Fleschutz · License: CC0
.LINK
https://github.com/fleschutz/PowerShell
#>
$network = "192.168.178"
$port = 8080
$range = 1..254
$ErrorActionPreference= "silentlycontinue"
foreach($add in $range) {
$ip = "{0}.{1}" -F $network,$add
write-progress "Scanning IP $ip" -PercentComplete (($add/$range.Count)*100)
if (Test-Connection -BufferSize 32 -Count 1 -quiet -ComputerName $ip) {
$socket = new-object System.Net.Sockets.TcpClient($ip, $port)
if ($socket.Connected) {
write-output "TCP port $port at $ip is open"
$socket.Close()
} else {
write-output "TCP port $port at $ip is not open"
}
}
}
exit 0 # success