TrueNAS CORETrueNAS CORE Nightly Development Documentation
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NIS Screen

NIS is a client–server directory service protocol. Usage scenarios include the distribution of user and host names between networked computers. Use the Directory Services > NIS screen to configure Network Information Service on your TrueNAS.

NIS is limited in scalability and security. For modern networks, LDAP has replaced NIS.

DirectoryServicesNIS

NameDescription
NIS DomainEnter a name and list any NIS domain host names or IP addresses. Press Enter to separate server entries.
NIS ServersEnter a name and list any NIS server host names or IP addresses. Press Enter to separate server entries.
Secure ModeSelect to have ypbind(8) refuse to bind to any NIS server not running as root on a TCP port over 1024.
ManycastSelect for ypbind to bind to the fastest responding server.
EnableSelect to enable the configuration. Leave checkbox clear to disable the configuration without deleting it.

Click SAVE to save configuration settings.

Click REBUILD DIRECTORY SERVICE CACHE to resync the cache if it becomes out of sync. Or if fewer users than expected are available in the permissions editors.