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AgentRev/firewall_cleanup.ps1

Created December 22, 2020 10:41
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Removes orphaned entries from the Windows Firewall.
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firewall_cleanup.ps1
#
# firewall_cleanup.ps1
#
# Removes orphaned entries from the Windows Firewall.
#
$rules = Get-NetFirewallApplicationFilter | Where {($_.Program -ne "Any") -and ($_.Program -ne "System") -and (-not (Test-Path ([Environment]::ExpandEnvironmentVariables($_.Program))))} | Get-NetFirewallRule
foreach ($rule in $rules)
{
Write-Host "REMOVING RULE:" $rule.Direction "-" $rule.DisplayName
Remove-NetFirewallRule -InputObject $rule #-WhatIf
}
pause
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