From 1ea974e3abe2d5f80d519b54ecc64b158c300424 Mon Sep 17 00:00:00 2001
From: Harsh Arora <64034129+harsharora94@users.noreply.github.com>
Date: Sat, 25 Apr 2020 19:27:06 +0530
Subject: [PATCH] Remove-Firewall-Group-Rule-Name

Firewall Group Rules will be deleted based on command-line arguments
---
 Remove-Firewall-Group-Rules.ps1 | 37 +++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 Remove-Firewall-Group-Rules.ps1

diff --git a/Remove-Firewall-Group-Rules.ps1 b/Remove-Firewall-Group-Rules.ps1
new file mode 100644
index 0000000..4d3f57b
--- /dev/null
+++ b/Remove-Firewall-Group-Rules.ps1
@@ -0,0 +1,37 @@
+# ---------------------------------------------------------------------------------------------------------------------------------
+#  Name        		:	Remove-Firewall-Group-Rules.ps1
+#  Author      		:	Harsh Arora
+#  Description     	:	This powershell script removes either Windows Firewall Inbound or Outbound Group Rules which will be passed
+#                       as a command-line argument using powershell cmdlets
+#  Arguments       	:	$GroupName, $Direction
+# ---------------------------------------------------------------------------------------------------------------------------------
+
+$GroupName = $args[0]
+$Direction = $args[1]
+$Logfile = "$env:SystemDrive\RemoveFirewallGroupRule.log"
+$ExportFirewallGroupRules = "$env:SystemDrive\ListFirewallGroupRules.csv"
+$PSFirewallGroupRule = Get-NetFirewallRule -DisplayGroup "$GroupName" -Direction $Direction | Export-Csv -NoTypeInformation $ExportFirewallGroupRules
+
+function LogWrite([string]$logstring)
+{
+	$DateTime = Get-Date -Format g
+	Add-content $Logfile -value "$DateTime $logstring"
+}
+
+LogWrite "Searching Windows Firewall Group Rule Name : '$GroupName' in direction: '$Direction'" 
+
+#Delete all the matching Firewall Group Rules 
+If($GroupName -ne $null)
+{
+    $PSFirewallGroupRule
+    $Return = Get-NetFirewallRule -DisplayGroup "$GroupName" -Direction $Direction | Remove-NetFirewallRule
+
+    If ($? -eq $false)
+    {        
+        LogWrite "Not found, so can't delete all the matching Firewall Group Rule Name: '$GroupName' from Direction: '$Direction' and returned: $?"        
+    }
+    else 
+    {
+        LogWrite "Found, so deleting all the matching Firewall Group Rule Name: '$GroupName' from Direction: '$Direction' and returned: $?"
+    }
+} 
\ No newline at end of file