1.16.4 for Windows is able to decrypt a disc that the Linux version is not.
The Linux version's .MakeMKV/_private_data.tar file doesn't contain any hkd*.bin files, where the Windows version's does.
DNS is fine, net access is enabled on both.
Linux version not downloading hashed keys
Re: Linux version not downloading hashed keys
Have you go through the steps listed in Fixing Volume Key is Unknown? Just because networking is enabled does not mean you don't have filtering going on. Certain DNS servers refuse to resolve some domains, and some firewall settings will block traffic from the Russian Federation (where the server is located).
MakeMKV Frequently Asked Questions
FAQ about BETA and PERMANENT keys.
How to aid in finding the answer to your problem: Activating Debug Logging
FAQ about BETA and PERMANENT keys.
How to aid in finding the answer to your problem: Activating Debug Logging
Re: Linux version not downloading hashed keys
Yes, except if I use exactly the same machine on Windows or Linux I get different behaviour. I can download from hkdata.fairuse.org fine.