GUI, with either interface style
Trying to login as root to Synology NAS, after the upgrade to Diskstation 5.1
Errors: Host is not communicating for more than 15 seconds; after aborting: Error skipping startup message. Your shell is probably incompatible with the application (BASH is recommended).
"Optimize connection buffer size" has no effect
Changing shell from default has no effect
Note: Putty with SSH continues to work with 5.1, SCP worked with Diskstation 5.0 and stopped with 5.1