Using Get-TlsCipherSuite in PowerShell & Server 2012 R2

Question

My PowerShell TLS module doesn't seem to contain the cmdlet Get-TlsCipherSuite:

PS> (Get-Module tls).ExportedCommands

Key                         Value
---                         -----
Disable-TlsSessionTicketKey Disable-TlsSessionTicketKey
Enable-TlsSessionTicketKey  Enable-TlsSessionTicketKey
Export-TlsSessionTicketKey  Export-TlsSessionTicketKey
New-TlsSessionTicketKey     New-TlsSessionTicketKey

But I'm not sure how I can update it.

I am on PS 5.1

Major  Minor  Build  Revision
-----  -----  -----  --------
5      1      14409  1018

I have attempted

PS> Update-Module tls
Update-Module : Module 'tls' was not installed by using Install-Module, so it
cannot be updated.

Edit:

I think this is a limitation of Server 2012 R2 as the cmdlet is not listed under 2012 here

https://learn.microsoft.com/en-us/powershell/module/tls/?view=win10-ps

However, it is listed for 2016. Is there a way to import this command to 2012 R2?

Adrian Mole · Accepted Answer · 2022-08-23 14:00:55Z

7

Get-ItemPropertyValue -Path HKLM:\SYSTEM\CurrentControlSet\Control\Cryptography\Configuration\Local\SSL\00010002 -Name Functions

edited Aug 23, 2022 at 14:00

Adrian Mole

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answered Aug 16, 2022 at 17:22

Arjun G

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1 Comment

Community Over a year ago

Your answer could be improved with additional supporting information. Please edit to add further details, such as citations or documentation, so that others can confirm that your answer is correct. You can find more information on how to write good answers in the help center.

Ansgar Wiechers · Accepted Answer · 2019-10-18 09:51:21Z

4

As per the documentation the TLS module in Windows Server 2012 R2 doesn't have the cmdlet you're looking for. As far as I'm aware you cannot update the module without upgrading to a more recent Windows version.

answered Oct 18, 2019 at 9:51

Ansgar Wiechers

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Comments

seagull · Accepted Answer · 2022-10-27 14:05:52Z

4

Arjun's answer is valid, but it uses the Get-ItemPropertyValue cmdlet, which is itself reserved for later PowerShell versions. A fully PowerShell 2.0-compliant version of the Get-TLSCipherSuite command is as follows:

(get-itemproperty HKLM:\SYSTEM\CurrentControlSet\Control\Cryptography\Configuration\Local\SSL\00010002 -Name Functions).Functions

answered Oct 27, 2022 at 14:05

seagull

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