FIPS and Remote Desktop Connection

By | September 11, 2020

FIPS or Federal Information Processing Standards was developed by US National Institute of Standards and Technology and used widely not only in United Stated. FIPS defines certain specific encryption methods and make to force application to use FIPS-validated encryption schemes. The first time I met problem with FIPS when Windows computer sends smnp v3 request to the Linux devices. Even snmp v3 settings (user name, password, authentication and encryption method) on the client and daemon sides were the same, the client received error response. Only disabling FIPS algorithms I made it working.
Currently I faced with the similar problem trying to use Remote Desktop connection.
RDP Error
so I disabled usage of FIPS compliant algorithm and I could connect to remote computer.
Below how to how to rid of FIPS algorithms usage. It is possible to do with Group Policy Editor (gpedit.msc):
Or start regedit and changing Enabled value of HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Lsa\FipsAlgorithmPolicy
key to 0:

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