LogLevel INFO
Port 22
Port 20050

AuthenticationMethods publickey
HostKey /etc/ssh/ssh_host_ed25519_key
HostKeyAlgorithms ssh-ed25519
PubkeyAcceptedKeyTypes ssh-ed25519
UsePAM yes

AllowUsers root userA userB
PermitRootLogin prohibit-password

Subsystem sftp internal-sftp
AcceptEnv LANG LC_* COLORFGBG