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Identity Manager 8.0 - Administration Guide for Connecting Unix-Based Target Systems

Managing Unix-Based Systems Setting Up Synchronization with a Unix-Based Target System Base Data for Unix-Based Target Systems Unix Host Unix user accounts Unix groups Reports about Unix Objects Appendix: Configuration Parameters for Managing Unix Appendix: Default Project Template for Unix-Based Target Systems

Additional Tasks for Managing Unix Groups

Additional Tasks for Managing Unix Groups

After you have entered the master data, you can apply different tasks to it. The task view contains different forms with which you can run the following tasks.

Overview of Unix Groups

Overview of Unix Groups

Use this task to obtain an overview of the most important information about a group.

To obtain an overview of a group

  1. Select the category Unix | Groups.
  2. Select the group in the result list.
  3. Select Unix group overview in the task view.

Adding Unix Groups to Unix Groups

Adding Unix Groups to Unix Groups

Use this task to add a group to another group.

To assign groups directly to a group

  1. Select the category Unix | Groups.
  2. Select the group in the result list.
  3. Select Assign groups in the task view.
  4. Assign child groups of the selected group in Add assignments.

    - OR -

    Remove assignments to groups in Remove assignments.

  5. Save the changes.

Effectiveness of Group Memberships

Table 36: Configuration Parameter for Conditional Inheritance
Configuration parameter Active Meaning

QER\Structures\Inherite\GroupExclusion

Preprocessor relevant configuration parameter for controlling effectiveness of group memberships. If the parameter is set, memberships can be reduced on the basis of exclusion definitions. The database has to be recompiled after changes have been made to the parameter.

When groups are assigned to user accounts an employee may obtain two or more groups, which are not permitted in this combination. To prevent this, you can declare mutually exclusive groups. To do this, you specify which of the two groups should apply to the user accounts if both are assigned.

It is possible to assign an excluded group directly, indirectly or by IT Shop request at any time. One Identity Manager determines whether the assignment is effective.

NOTE:

  • You cannot define a pair of mutually exclusive groups. That means, the definition "Group A excludes group B" AND "Group B excludes groups A" is not permitted.
  • You must declare each group to be excluded from a group separately. Exclusion definitions cannot be inherited.
  • One Identity Manager does not check whether membership of an excluded group is permitted in another group.

The effect of the assignments is mapped in the tables UNXAccountInUNXGroup and BaseTreeHasUNXGroup through the column XIsInEffect.

Example of the effect of group memberships
  • Group A is defined with permissions for triggering requests in a host. A group B is authorized to make payments. A group C is authorized to check invoices.
  • Group A is assigned through the department "Marketing", group B through "Finance" and group C through the business role "Control group".

Clara Harris has a user account in this host. She primarily belongs to the department "marketing". The business role "Control group" and the department "Finance" are assigned to her secondarily. Without an exclusion definition, the user account obtains all the permissions of groups A, B and C.

By using suitable controls, you want to prevent an employee from being able to trigger a request and to pay invoices. That means, groups A, B and C are mutually exclusive. An employee that checks invoices may not be able to make invoice payments as well. That means, groups B and C are mutually exclusive.

Table 37: Specifying excluded groups (table UNXGroupExclusion)
Effective Group Excluded Group
Group A
Group B Group A
Group C Group B
Table 38: Effective Assignments
Employee Member in Role Effective Group
Ben King Marketing Group A
Jan Bloggs Marketing, finance Group B
Clara Harris Marketing, finance, control group Group C
Jenny Basset Marketing, control group Group A, Group C

Only the group C assignment is in effect for Clara Harris. It is published in the target system. If Clara Harris leaves the business role "control group" at a later date, group B also takes effect.

The groups A and C are in effect for Jenny Basset because the groups are not defined as mutually exclusive. That means that the employee is authorized to trigger request and to check invoices. If this should not be allowed, define further exclusion for group C.

Table 39: Excluded groups and effective assignments
Employee Member in Role Assigned Group Excluded Group Effective Group

Jenny Basset

 

Marketing Group A  

Group C

 

Control group Group C Group B

Group A

Prerequisites
  • The configuration parameter "QER\Inherite\GroupExclusion" is enabled.
  • Mutually exclusive groups belong to the same host.

To exclude a group

  1. Select the category Unix | Groups.
  2. Select a group in the result list.
  3. Select Exclude groups in the task view.
  4. Assign the groups that are mutually exclusive to the selected group in Add assignments.

    - OR -

    Remove the conflicting groups that are no longer mutually exclusive in Remove assignments.

  5. Save the changes.
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