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Sophos SEC 5.5.1 - won't start if TLS 1.0 is disabled

David Lewis1

Hi,

 

 We upgraded our Sophos SEC instance from 5.5.0 to 5.5.1 to support TLS 1.2. The database is on dedicated SQL server which supports TLS 1.2.

 

When we disable TLS 1.0 (client/server) on the Sophos SEC server, the application cannot start.

 

We saw online that Sophos looks for the explicit registry settings defining TLS 1.2 client/server as enabled and TLS 1.0/1.1 client/server disabled before it uses TLS 1.2. (

https://community.sophos.com/kb/en-us/127521)

 

We added these registry settings this morning, rebooted and Sophos cannot start again.  It starts once we re-enable TLS 1.0 client/server on Sophos SEC server.

 

How should we proceed?

 

Thanks,

David

 



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    We were able to get the Sophos Enterprise Console to load with just TLS 1.2 enabled by doing the following:

     

    C:\sec_551\serverinstaller\checkdbconnection> .\CheckDBConnection.exe -s <SQL Server> -t onfce -c –a  (This –a flag tells the program to change the Db connection settings for Sophos).

     

    Hope this helps someone in the Interwebs.

    David

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  • 0

    We were able to get the Sophos Enterprise Console to load with just TLS 1.2 enabled by doing the following:

     

    C:\sec_551\serverinstaller\checkdbconnection> .\CheckDBConnection.exe -s <SQL Server> -t onfce -c –a  (This –a flag tells the program to change the Db connection settings for Sophos).

     

    Hope this helps someone in the Interwebs.

    David

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