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Show-VpnConnectionIPsecConfiguration.ps1
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<#
.SYNOPSIS
Display custom IPsec policy configuration for VPN connections.
.PARAMETER ConnectionName
Name of the VPN connection to view custom IPsec policy.
.PARAMETER DeviceTunnel
Specifieces the VPN connection is a device tunnel.
.EXAMPLE
.\Show-VpnConnectionIpsecConfiguration.ps1 -ConnectionName 'Always On VPN'
Displays the custom IPsec policy for a user VPN connection, if configured.
.EXAMPLE
.\Show-VpnConnectionIpsecConfiguration.ps1 -ConnectionName 'Always On VPN Device Tunnel' -DeviceTunnel
Displays the custom IPsec policy for a device tunnel VPN connection, if configured.
.DESCRIPTION
Windows does not provide the ability to view custom IPsec policy configuration in the UI.
In addition, Windows does not provide a native PowerShell command to view these settings.
This script gives administrators the ability to easily view configured IPsec policy settings.
.LINK
https://directaccess.richardhicks.com/2018/12/10/always-on-vpn-ikev2-security-configuration/
.NOTES
Version: 1.2
Creation Date: August 20, 2019
Last Updated: January 14, 2020
Author: Richard Hicks
Organization: Richard M. Hicks Consulting, Inc.
Contact: [email protected]
Web Site: www.richardhicks.com
#>
[CmdletBinding()]
Param (
[Parameter(Mandatory = $True, HelpMessage = "Enter the name of the VPN connection.")]
[string]$ConnectionName,
[switch]$DeviceTunnel
)
If ($DeviceTunnel) {
$Vpn = Get-VpnConnection -AllUserConnection -Name $ConnectionName -ErrorAction SilentlyContinue
}
Else {
$Vpn = Get-VpnConnection -Name $ConnectionName -ErrorAction SilentlyContinue
}
If ($Vpn -eq $Null) {
Write-Warning "The VPN connection $ConnectionName does not exist. Exiting script."
Exit
}
$Policy = ($Vpn | Select-Object -ExpandProperty IPsecCustomPolicy)
If ($Policy -eq $null) {
Write-Warning 'Custom IPsec policy not configured.'
Exit
}
Write-Output $Policy
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