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How To: Enable the use of Legacy Cipher Suites

Applies to: TPP version 17.1 and newer

Symptom: Protocol mismatch: The SSH negotiation communication was failing and was not resolving the appropriate ciphers.

Error: Failed to negotiate a transport component [] [ssh-dss]sshfailedcommunicationprotocol.png

Resolution

 1. Navigate to Regedit

2. Create a string value in HKLM\Software\Venafi\Platform and name the entry "EnableSSHDSS". 

3. Right click on the newly created string value and select "Modify", set the value to 1 and click OK. 

 

4. Shut down the TPP server if possible.

 

 

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