Default port '8021' can be changed via

```
--ftp="address=:3021"
```

### Change FTP passive port range

By default FTP requests OS to give a free port automatically, however you may want to restrict
this to specific ports in certain restricted environments via

```
--ftp="passive-port-range=30000-40000"
```

### Change default SFTP port

Default port '8022' can be changed via

```

      - "https://server4-pool2:9000/mnt/disk{1...4}/"
  # more args

options:
  ftp: # settings for MinIO to act as an ftp server
    address: ":8021"
    passive-port-range: "30000-40000"
  sftp: # settings for MinIO to act as an sftp server
    address: ":8022"
    ssh-private-key: "/home/user/.ssh/id_rsa"
```