Allowing access to protected resources from outside a perimeter

You can use access levels to grant controlled access to protected Google Cloud resources in service perimeters from outside a perimeter.

An access level defines a set of attributes that must be met before a request is honored. Access levels can consider various criteria, such as IP address and user identity.

For a detailed overview of access levels, read the Access Context Manager overview.

Limitations of using access levels with VPC Service Controls

When using access levels with VPC Service Controls, certain limitations apply:

  • Access levels only allow requests from outside a perimeter for the resources of a protected service inside a perimeter.

    You cannot use access levels to allow requests from a protected service inside a perimeter for resources outside the perimeter. If you need a protected service to make requests for resources outside the perimeter, try using perimeter bridges.

  • Requests for a protected resource in a perimeter that originate from another perimeter will always be denied, even if an access level would normally allow the external request. For more information, read about requests between perimeters.

Using access levels

Access levels are created and managed using Access Context Manager.

Creating an access level

To create an access level, read about creating an access level in the Access Context Manager documentation.

The following examples explain how to create an access level using different conditions:

Adding access levels to service perimeters

You can add access levels to a service perimeter when creating the perimeter, or to an existing perimeter:

Managing access levels

To manage your access levels, read about managing access levels. This documentation explains how to list, modify, and delete existing access levels.

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