Hi,
Sorry I am a little late after the battle ...
My Buffalo NAS is a LinkStation LS-WXL (LS-WXLB1D).
The firmware is 1.74 (DTCP-IP:1.65-20130731).
When I lost contact with it after a Windows 10 update, I read that Buffalo would not update the firmware.
Then one of my PCs was configured with SMB1, but it is not safe and I am not happy to throw away this NAS.
So I follow the instructions of this thread, thanks to mishikal.
I got :
buffalo linkstation acp-commander-gui I got an SSH entry point and a password to login as root. Great because I had no idea to do that before !
Then I used PuTTY to modify smb.sh as prescribed.
After restart, I checked that smb.conf was modified, and it was ok with the line: max protocol = SMB2 .
Then I look at my PCs : the NAS is hidden on the Windows 10 updated one and I can see it on the other which is SMB1 modified.
My NAS doesn't change to SMBv2 despite the smb.conf was modified by smb.sh.
I added "min protocol = SMB2" without any change.
As others seemed to be successful with this, where am I wrong ?