Support Which port does NFS use? Can I change the port number? File Management - File Sharing Applied Models: All NAS Series Answer: The port number used by NFS is not fixed. It cannot be set by the user. Release date: 2013-04-19 Was it helpful? Yes. No. Thank you for your feedback. Thank you for your feedback. If you have any question, please contact firstname.lastname@example.org 67% of people think it helps.