Applies to ONTAP 9 Answer No, POSIX ACLs are not supported on any version of ONTAP Additional Information ONTAP supports NFSv4 ACLs which requires nfs4_setfacl (https://linux.die.net/man/1/nfs4_setfac...Applies to ONTAP 9 Answer No, POSIX ACLs are not supported on any version of ONTAP Additional Information ONTAP supports NFSv4 ACLs which requires nfs4_setfacl (https://linux.die.net/man/1/nfs4_setfacl)