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Idmap

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Last Modified 2021-06-28 09:28 EDT

The Idmap directory service allows users to configure and select a backend to map Windows security identifiers (SIDs) to UNIX UIDs and GIDs. Users must enable the Active Directory service to configure and use Identity Mapping (Idmap).

IdmapSCALE

Users can click Add in the Idmap window to configure backends or click on an already existing Idmap to edit it.

AddIdmapSCALE

FieldDescription
Idmap BackendProvides a plugin interface for Winbind to use varying backends to store SID/uid/gid mapping tables. The correct setting depends on the environment in which the NAS is deployed.
NameEnter the pre-Windows 2000 domain name.
DNS Domain NameDNS name of the domain.
Range LowRange Low and Range High set the range of UID/GID numbers which this IDMap backend translates. If an external credential like a Windows SID maps to a UID or GID number outside this range, the external credential is ignored.
Range HighRange Low and Range High set the range of UID/GID numbers which this IDMap backend translates. If an external credential like a Windows SID maps to a UID or GID number outside this range, the external credential is ignored.
SSSD CompatGenerate idmap low range based on the same algorithm that SSSD uses by default.