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11.2. Adding a certificate mapping rule in the IdM web UI for users stored in IdM

  1. Log in to the IdM web UI as an administrator.
  2. Navigate to Authentication Certificate Identity Mapping Rules Certificate Identity Mapping Rules.

  3. Click Add.

    图 11.1. Adding a new certificate mapping rule in the IdM web UI

    Screenshot of the IdM Web UI displaying the
  4. Enter the rule name.

  5. Enter the mapping rule. For example, to make IdM search for the Issuer and Subject entries in any certificate presented to them, and base its decision to authenticate or not on the information found in these two entries of the presented certificate: 

    (ipacertmapdata=X509:<I>{issuer_dn!nss_x500}<S>{subject_dn!nss_x500})

  6. Enter the matching rule. For example, to only allow certificates issued by the Smart Card CA of the EXAMPLE.ORG organization to authenticate users to IdM: 

    <ISSUER>CN=Smart Card CA,O=EXAMPLE.ORG

    图 11.2. Entering the details for a certificate mapping rule in the IdM web UI

    Screenshot of the
  7. Click Add at the bottom of the dialog box to add the rule and close the box.

  8. The System Security Services Daemon (SSSD) periodically re-reads the certificate mapping rules. To force the newly-created rule to be loaded immediately, restart SSSD: 

    # systemctl restart sssd

Now you have a certificate mapping rule set up that compares the type of data specified in the mapping rule that it finds on a smart card certificate with the certificate mapping data in your IdM user entries. Once it finds a match, it authenticates the matching user.

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