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Posted to issues@guacamole.apache.org by "Michael Saxl (Jira)" <ji...@apache.org> on 2022/05/05 13:49:00 UTC

[jira] [Created] (GUACAMOLE-1598) Windows 7 TLS/NLA compatibility issue with openssl3

Michael Saxl created GUACAMOLE-1598:
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             Summary: Windows 7 TLS/NLA compatibility issue with openssl3
                 Key: GUACAMOLE-1598
                 URL: https://issues.apache.org/jira/browse/GUACAMOLE-1598
             Project: Guacamole
          Issue Type: Improvement
          Components: RDP
    Affects Versions: 1.4.0
            Reporter: Michael Saxl


Openssl 3.0 raised the default tls security level parameters.

This has the effect that Widows 7 / Windows 2008r2 do not work in tls/nla/ext security mode, only rdp security works, but this requires disabling nla on the remote machine.

xfreerdp has a parameter named /tls-seclevel that if set to 0 solves this problem, but settings this to such a low value should only be done if the user really requests it.

Remmina will get this parameter too.

 

internally in the settings structure the attribute is named setting->TlsSecLevel



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