Which port does ONTAP's RSH use? Last updated Dec 23, 2021 Save as PDF Share Share Tweet Share Views:171Visibility:PublicVotes:0Category:ontap-9Specialty:legacyLast Updated:12/23/2021, 6:38:02 AM Applies to ONTAP 9 RSH Answer ONTAP uses 514 for RSH. Additional Information What ports need to be open to allow access to ONTAP and which port numbers are used for communications?