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Oracle® ZFS Storage Appliance Security Guide
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Document Information

Oracle ZFS Storage Appliance Security Overview

Initial installation

Physical Security

Administrative Model

ZFSSA Users

Access Control Lists (ACL)

Storage Area Network (SAN)

Data Services

Directory Services

Network Information Service (NIS)

Lightweight Directory Access Protocol (LDAP)

Identity Mapping

IDMU

Directory-based Mapping

Name-based Mapping

Ephemeral Mapping

System Settings

Remote Administrative Access

Logs

More Information

Documentation Mapping

Ephemeral Mapping

If no name-based mapping rule applies for a particular user, that user is given temporary credentials through an ephemeral mapping unless they are blocked by a deny mapping. When a Windows user with an ephemeral UNIX name creates a file on the system, Windows clients accessing the file using SMB see that the file is owned by that Windows identity. However, NFS clients see that the file is owned by “nobody”.