Windows 7 workstations fail to connect to Appliance with 12.4 or later

Description

Post upgrade of firmware to 12.4  users connecting with Windows 7 fail to Authenticate or Negotiate.

Cause

Windows 7 user older SSL Encryption as 12.4 is designed to support with TLS 1.2 and above

Resolution

SMA1000 had provisioned to support better SSL Encryption for secured communication:

Below Categories have been provisioned or updated on 12.4:  Management Console-SSL Settings-SSL Encryption:

  • Modern to support only TLS 1.3.
  • Secure (Default)   Supports TLS 1.2 and above.
  • Legacy  Adds support for older ciphers that are no longer considered secure

We would need to Change Encryption to Legacy for supporting Windows 7. 

Note: These would have  weaker encryption and have been categorized for administrators to choose for supporting older client versions.


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