Managing SSL/TLS Protocols and Cipher Suites for AD FS (2024)

Table of Contents
In this article TLS/SSL, SChannel, and Cipher Suites in AD FS Managing the TLS/SSL Protocols and Cipher Suites Enable and Disable SSL 2.0 Enable SSL 2.0 Disable SSL 2.0 Using PowerShell to disable SSL 2.0 Enable and Disable SSL 3.0 Enable SSL 3.0 Disable SSL 3.0 Using PowerShell to disable SSL 3.0 Enable and Disable TLS 1.0 Enable TLS 1.0 Disable TLS 1.0 Using PowerShell to disable TLS 1.0 Enable and Disable TLS 1.1 Enable TLS 1.1 Disable TLS 1.1 Using PowerShell to disable TLS 1.1 Enable and Disable TLS 1.2 Enable TLS 1.2 Disable TLS 1.2 Using PowerShell to disable TLS 1.2 Enable and Disable RC4 Enable RC4 Disable RC4 Using PowerShell Enabling or Disabling additional cipher suites Enabling Strong Authentication for .NET applications Additional Information FAQs
  • Article
  • 6 minutes to read

The following documentation provides information on how to disable and enable certain TLS/SSL protocols and cipher suites that are used by AD FS

TLS/SSL, SChannel, and Cipher Suites in AD FS

The Transport Layer Security (TLS) and Secure Sockets Layer (SSL) are protocols that provide for secure communications. Active Directory Federation Services uses these protocols for communications. Today several versions of these protocols exist.

Schannel is a Security Support Provider (SSP) that implements the SSL, TLS and DTLS Internet standard authentication protocols. The Security Support Provider Interface (SSPI) is an API used by Windows systems to perform security-related functions including authentication. The SSPI functions as a common interface to several Security Support Providers (SSPs), including the Schannel SSP.

A cipher suite is a set of cryptographic algorithms. The Schannel SSP implementation of the TLS/SSL protocols use algorithms from a cipher suite to create keys and encrypt information. A cipher suite specifies one algorithm for each of the following tasks:

  • Key exchange
  • Bulk encryption
  • Message authentication

AD FS uses Schannel.dll to perform its secure communications interactions. Currently AD FS supports all of the protocols and cipher suites that are supported by Schannel.dll.

Managing the TLS/SSL Protocols and Cipher Suites

Important

See Also
Restrict cryptographic algorithms and protocols - Windows ServerHow Do I Remove Legacy Ciphers (SSL2, SSL3, DES, 3DES, MD5 and RC4) on NetScaler?Enable TLS 1.2 strong cipher suites

This section contains steps that tell you how to modify the registry. However, serious problems might occur if you modify the registry incorrectly. Therefore, make sure that you follow these steps carefully.

Be aware that changing the default security settings for SCHANNEL could break or prevent communications between certain clients and servers. This will occur if secure communication is required and they do not have a protocol to negotiate communications with.

If you are applying these changes, they must be applied to all of your AD FS servers in your farm. After applying these changes a reboot is required.

In today's day and age, hardening your servers and removing older or weak cipher suites is becoming a major priority for many organizations. Software suites are available that will test your servers and provide detailed information on these protocols and suites. In order to remain compliant or achieve secure ratings, removing or disabling weaker protocols or cipher suites has become a must. The remainder of this document will provide guidance on how to enable or disable certain protocols and cipher suites.

The registry keys below are located in the same location: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols. Use regedit or PowerShell to enable or disable these protocols and cipher suites.

Managing SSL/TLS Protocols and Cipher Suites for AD FS (1)

Enable and Disable SSL 2.0

Use the following registry keys and their values to enable and disable SSL 2.0.

Enable SSL 2.0

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Server] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Server] "DisabledByDefault"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client] "DisabledByDefault"=dword:00000000

Disable SSL 2.0

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Server] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Server] "DisabledByDefault"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client] "DisabledByDefault"=dword:00000001

Using PowerShell to disable SSL 2.0

New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Server' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Server' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Server' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullNew-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 2.0\Client' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullWrite-Host 'SSL 2.0 has been disabled.'

Enable and Disable SSL 3.0

Use the following registry keys and their values to enable and disable SSL 3.0.

Enable SSL 3.0

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server] "DisabledByDefault"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client] "DisabledByDefault"=dword:00000000

Disable SSL 3.0

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server] "DisabledByDefault"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client] "DisabledByDefault"=dword:00000001

Using PowerShell to disable SSL 3.0

New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Server' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullNew-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\SSL 3.0\Client' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullWrite-Host 'SSL 3.0 has been disabled.'

Enable and Disable TLS 1.0

Use the following registry keys and their values to enable and disable TLS 1.0.

Important

Disabling TLS 1.0 will break the WAP to AD FS trust. If you disable TLS 1.0 you should enable strong auth for your applications. See Enable Strong Authentication

Enable TLS 1.0

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server] "DisabledByDefault"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client] "DisabledByDefault"=dword:00000000

Disable TLS 1.0

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server] "DisabledByDefault"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client] "DisabledByDefault"=dword:00000001

Using PowerShell to disable TLS 1.0

New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Server' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullNew-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.0\Client' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullWrite-Host 'TLS 1.0 has been disabled.'

Enable and Disable TLS 1.1

Use the following registry keys and their values to enable and disable TLS 1.1.

Enable TLS 1.1

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server] "DisabledByDefault"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client] "DisabledByDefault"=dword:00000000

Disable TLS 1.1

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server] "DisabledByDefault"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client] "DisabledByDefault"=dword:00000001

Using PowerShell to disable TLS 1.1

New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Server' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullNew-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.1\Client' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullWrite-Host 'TLS 1.1 has been disabled.'

Enable and Disable TLS 1.2

Use the following registry keys and their values to enable and disable TLS 1.2.

Enable TLS 1.2

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server] "DisabledByDefault"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client] "DisabledByDefault"=dword:00000000

Disable TLS 1.2

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server] "DisabledByDefault"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client] "DisabledByDefault"=dword:00000001

Using PowerShell to disable TLS 1.2

New-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Server' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullNew-Item 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-NullNew-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols\TLS 1.2\Client' -name 'DisabledByDefault' -value 1 -PropertyType 'DWord' -Force | Out-NullWrite-Host 'TLS 1.2 has been disabled.'

Enable and Disable RC4

Use the following registry keys and their values to enable and disable RC4. This cipher suite's registry keys are located here:

  • HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\

Managing SSL/TLS Protocols and Cipher Suites for AD FS (2)

Enable RC4

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 128/128] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 40/128] "Enabled"=dword:00000001
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 56/128] "Enabled"=dword:00000001

Disable RC4

  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 128/128] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 40/128] "Enabled"=dword:00000000
  • [HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 56/128] "Enabled"=dword:00000000

Using PowerShell

([Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine,$env:COMPUTERNAME)).CreateSubKey('SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 128/128')New-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 128/128' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-Null([Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine,$env:COMPUTERNAME)).CreateSubKey('SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 40/128')New-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 40/128' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-Null([Microsoft.Win32.RegistryKey]::OpenRemoteBaseKey([Microsoft.Win32.RegistryHive]::LocalMachine,$env:COMPUTERNAME)).CreateSubKey('SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 56/128')New-ItemProperty -path 'HKLM:\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Ciphers\RC4 56/128' -name 'Enabled' -value '0' -PropertyType 'DWord' -Force | Out-Null

Enabling or Disabling additional cipher suites

You can disable certain specific ciphers by removing them from HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Cryptography\Configuration\Local\SSL\00010002

Managing SSL/TLS Protocols and Cipher Suites for AD FS (3)

To enable a cipher suite, add its string value to the Functions multi-string value key. For example, if we want to enable TLS_ECDHE_RSA_WITH_AES_256_CBC_SHA384_P521 then we would add it to the string.

For a full list of supported Cipher suites see Cipher Suites in TLS/SSL (Schannel SSP). This document provides a table of suites that are enabled by default and those that are supported but not enabled by default. To prioritize the cipher suites see Prioritizing Schannel Cipher Suites.

Enabling Strong Authentication for .NET applications

The .NET Framework 3.5/4.0/4.5.x applications can switch the default protocol to TLS 1.2 by enabling the SchUseStrongCrypto registry key. This registry key will force .NET applications to use TLS 1.2.

Important

For AD FS on Windows Server 2016 and Windows Server 2012 R2 you need to use the .NET Framework 4.0/4.5.x key: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319

For the .NET Framework 3.5 use the following registry key:

[HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\.NETFramework\v2.0.50727]"SchUseStrongCrypto"=dword:00000001

For the .NET Framework 4.0/4.5.x use the following registry key:HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\.NETFramework\v4.0.30319"SchUseStrongCrypto"=dword:00000001

Managing SSL/TLS Protocols and Cipher Suites for AD FS (4)

New-ItemProperty -path 'HKLM:\SOFTWARE\Microsoft\.NetFramework\v4.0.30319' -name 'SchUseStrongCrypto' -value '1' -PropertyType 'DWord' -Force | Out-Null

Additional Information

  • Cipher Suites in TLS/SSL (Schannel SSP)
  • TLS Cipher Suites in Windows 8.1
  • Prioritizing Schannel Cipher Suites
  • Speaking in Ciphers and other Enigmatic tongues
Managing SSL/TLS Protocols and Cipher Suites for AD FS (2024)

FAQs

Does ADFS use TLS? ›

Only TLS 1.1 and later versions are supported in the ADFS serviceOffice.

Read On ›
How do I enable TLS in Active Directory? ›

Specify the following:
  1. Select Use SSL.
  2. Select the Authentication Key Binding created in Step 1 - Set up Authentication Key Binding.
  3. Change Active Directory Port to the TLS port of your AD. The default port is 636.

Discover More Details ›
What is the difference between SSL and TLS cipher suites? ›

SSL uses Message Authentication Code (MAC) after encrypting each message while TLS on the other hand uses HMAC — a hash-based message authentication code after each message encryption.

Continue Reading ›
How do I enable TLS and SSL protocols? ›

Google Chrome
  1. Open Google Chrome.
  2. Click Alt F and select Settings.
  3. Scroll down and select Show advanced settings...
  4. Scroll down to the Network section and click on Change proxy settings...
  5. Select the Advanced tab.
  6. Scroll down to Security category, manually check the option box for Use TLS 1.1 and Use TLS 1.2.
  7. Click OK.
Nov 1, 2023

See Details ›
Does AD FS require SSL? ›

AD FS does not require that certificates be issued by a CA. However, the SSL certificate (the certificate that is also used by default as the service communications certificate) must be trusted by the AD FS clients.

Find Out More ›
What protocols does AD FS use? ›

Q: What protocols does Active Directory Federation Services use? A: The main role of ADFS is to offer SSO protocol outside the corporate firewall environment. This is possible through claimed-based access control by provisioning cookies and Security Assertion Markup Language.

Tell Me More ›
How do I enable SSL in Active Directory? ›

Select Start | All Programs | Windows Support Tools | Command Prompt. Start the ldp tool by typing ldp at the command prompt. From the ldp window, select Connection | Connect and supply the host name and port number (636). Also select the SSL check box.

Show Me More ›
How to check active directory TLS version? ›

-Press the Windows key + R to start Run, type regedit, and press Enter or click OK. -If you can't find any of the keys or if their values are not correct, then TLS 1.2 is not enabled. I hope this information helps.

Explore More ›
How do I know if my TLS is active? ›

For Google Chrome & Microsoft Edge browser: o In the Windows menu search box, type 'Internet options'. o In the Internet Properties window, on the 'Advanced' tab, scroll down to the 'Security' section. o Make sure the 'User TLS 1.2' checkbox is checked.

Continue Reading ›
How to check TLS cipher suites? ›

Find the cipher using Chrome

Select More tools > Developer tools > Security. Look for the line "Connection...". This will describe the version of TLS or SSL used.

Show Me More ›

How do I know if I am using SSL or TLS? ›

Enter the URL you wish to check in the browser. Right-click the page or select the Page drop-down menu, and select Properties. In the new window, look for the Connection section. This will describe the version of TLS or SSL used.

Read The Full Story ›
Do you need both SSL and TLS? ›

TLS and SSL: Both TLS (Transport Layer Security) and SSL (Secure Sockets Layer) are cryptographic protocols crucial for encrypting and securely transmitting data over the internet. TLS protocol is replacing SSL. And yes, you should choose TLS over SSL as it´s a more updated and secure version of SSL.

See Details ›
How to identify if an SSL TLS protocol is enabled disabled? ›

How to identify if an SSL/TLS protocol is enabled/disabled
  1. Click Start or press the Windows key.
  2. In the Start menu, either in the Run box or the Search box, type regedit and press Enter. ...
  3. Navigate to follow the registry path: HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\SecurityProviders\SCHANNEL\Protocols.

Get More Info Here ›
How do I enable TLS authentication? ›

Configure and Enable Mutual TLS Authentication
  1. Generate a Certificate Signing Request (CSR) for your TLS certificate.
  2. Get the CSR signed from a Certificate Authority and upload the signed TLS certificate.
  3. Enable mutual TLS authentication in HTTP request actions.

Continue Reading ›
What authentication does AD FS use? ›

ADFS makes use of the claims-based Access Control Authorization model to ensure security across applications using the federated identity. Claims-based authentication is a process in which a user is identified by a set of claims related to their identity.

View More ›
How secure is AD FS? ›

While AD FS provides seamless and efficient access, it comes with potentially serious security risks. It is important to work with your cybersecurity partner to ensure that the AD FS is continuously monitored and patched and that other security risks are also addressed within the cybersecurity strategy.

View Details ›
Does Microsoft Exchange use TLS? ›

Exchange Server 2019 supports TLS 1.2 by default. Exchange Server cannot run without Windows Server and therefore it is important to have the latest operating system updates installed to run a stable and secure TLS implementation.

See More ›
How do I know if an application is using TLS? ›

For Chrome
  1. Open the Developer Tools (Ctrl+Shift+I)
  2. Select the Security tab.
  3. Navigate to the WebAdmin or Cloud Client portal.
  4. Under Security, check the results for the section Connection to check which TLS protocol is used.
Jul 5, 2024

Learn More ›
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Introduction: My name is Errol Quitzon, I am a fair, cute, fancy, clean, attractive, sparkling, kind person who loves writing and wants to share my knowledge and understanding with you.