Refer to Duo’s official announcement, effective June 30, 2023, Duo will no longer support Transport Layer Security (TLS) versions 1.0 or 1.1 for any Duo product or service. Duo will also no longer support TLS connection requests negotiated by insecure cipher suites.
After 30 Jun 2023, Duo will only support those secure protocols and strong cipher suites, details can be found in below table:
After 30 June 2023 |
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DUO will no longer support: |
DUO will still support: |
|
Cryptographic Protocol |
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|
Cryptographic Cipher Suite |
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Please check if you are using the following supported endpoints by checking with the following table:
# | Duo Application TLS Support | Supported and Required Versions | Ways to check the supported version |
1 | Windows |
|
Suggested steps |
2 | Duo Mobile |
* Using a mobile device with unsupported versions can still receive DUO push or generate one-time passcode as before; but would be unable to log in DUO-enabled IT services e.g. Microsoft Office 365, CUHK VPN, or CUPIS, etc.
|
Suggested steps |
3 | Web browsers |
|
Suggested steps |
Please check if you are using the supported endpoints by checking with the following table:
# | Duo Application TLS Support | Supported and Required Versions | Ways to check the supported version |
1 | Duo Windows Applications |
|
Suggested steps |
2 | Duo Authentication for Windows Logon |
|
Suggested steps |
3 | Duo Mobile |
|
Suggested steps |
4 | Linux |
|
Suggested steps |
5 | Web browsers |
|
Suggested steps |
For more details, please refer to the following Duo articles:
Published on 15 Mar 2023
Last Update: 30 Mar 2023
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