controls::nested roles
Overview
The user-defined roles in DB2 can be nested in the same fashion as Windows security groups–a nested group has both its directly assigned permissions as well as the assigned group permissions. By nesting roles, the database administrator is saving time by only having to assign a group of users versus assigning them individually. Nesting roles properly can often ease the application of the security model if it’s kept fairly shallow, and if the roles are logically named. If these are all true, then nesting of roles is a good idea.
Rationale:
As tracking multiple levels of permissions can result in unauthorized access to data resources, this capability should be restricted according to the needs of the business.
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Benchmarks
This control is used in the following benchmarks:
- DB2 Database 10 CIS V1.1.0 - paragraph 8.3
- DB2 Database 11 CIS V1.0.0.draft - paragraph 6.2.4
Skipping
To deliberately skip this control (e.g. meaning don’t use Puppet to enforce this setting), we provide you with three ways:
1) Add db2_secured::controls::nested_roles: skip
to your hiera data. This will skip this control for ALL databases.
2) Add db2_secured::controls::nested_roles::instance_name::dbname: skip
to your hiera data. This will skip this control for specified database only.
3) Add an entry with the content nested_roles
to the array value db2_secured::skip_list
in your hiera data.
Attributes
Attribute Name | Short Description |
---|---|
title | The database identifier to apply the control to. |
title
The database identifier to apply the control to.
All controls need an database identifier to apply the control to. Here is a simple example:
db2_secured::controls::control_name { 'db2inst1/MYDB':}
In this example, the string dbinst1
is the instance, the string MYDB
is the database to apply the control to.