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40.3. User privileges required for host enrollment

The host enrollment operation requires authentication to prevent an unprivileged user from adding unwanted machines to the IdM domain. The privileges required depend on several factors, for example:

  • If a host entry is created separately from running ipa-client-install

  • If a one-time password (OTP) is used for enrollment

    User privileges for optionally manually creating a host entry in IdM LDAP
    The user privilege required for creating a host entry in IdM LDAP using the ipa host-add CLI command or the IdM Web UI is Host Administrators. The Host Administrators privilege can be obtained through the IT Specialist role.
    User privileges for joining the client to the IdM domain
    Hosts are configured as IdM clients during the execution of the ipa-client-install command. The level of credentials required for executing the ipa-client-install command depends on which of the following enrolling scenarios you find yourself in:
  • The host entry in IdM LDAP does not exist. For this scenario, you need a full administrator’s credentials or the Host Administrators role. A full administrator is a member of the admins group. The Host Administrators role provides privileges to add hosts and enroll hosts. For details about this scenario, see Installing a client using user credentials: interactive installation.
  • The host entry in IdM LDAP exists. For this scenario, you need a limited administrator’s credentials to execute ipa-client-install successfully. The limited administrator in this case has the Enrollment Administrator role, which provides the Host Enrollment privilege. For details, Installing a client using user credentials: interactive installation.
  • The host entry in IdM LDAP exists, and an OTP has been generated for the host by a full or limited administrator. For this scenario, you can install an IdM client as an ordinary user if you run the ipa-client-install command with the --password option, supplying the correct OTP. For details, see Installing a client by using a one-time password: Interactive installation.

After enrollment, IdM hosts authenticate every new session to be able to access IdM resources. Machine authentication is required for the IdM server to trust the machine and to accept IdM connections from the client software installed on that machine. After authenticating the client, the IdM server can respond to its requests.

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