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Understanding Roles and Services for Junos OS in FIPS Mode

 

The Juniper Networks Junos operating system (Junos OS) running in non-FIPS mode allows a wide range of capabilities for users, and authentication is identity-based. In contrast, the FIPS 140-2 standard defines two user roles: Crypto Officer and FIPS user. These roles are defined in terms of Junos OS user capabilities.

All other user types defined for Junos OS in FIPS mode (operator, administrative user, and so on) must fall into one of the two categories: Crypto Officer or FIPS user. For this reason, user authentication in FIPS mode is role-based rather than identity-based.

In addition to their FIPS roles, both user types can perform normal tasks on the router or switch as individual user configuration allows.

Crypto Officer and FIPS user configurations must follow the guidelines for Junos OS in FIPS mode.

For details, see:

Crypto Officer Role and Responsibilities

The Crypto Officer is the person responsible for enabling, configuring, monitoring, and maintaining Junos OS in FIPS mode on a router or switch. The Crypto Officer securely installs Junos OS on the router or switch, enables FIPS mode, establishes keys and passwords for other users and software modules, and initializes the router or switch before network connection.

Best Practice

We recommend that the Crypto Officer administer the system in a secure manner by keeping passwords secure and checking audit files.

The permissions that distinguish the Crypto Officer from other FIPS users are secret, security, maintenance, and control. For FIPS compliance, assign the Crypto Officer to a login class that contains all of these permissions. A user with the Junos OS maintenance permission can read files containing critical security parameters (CSPs).

Note

Junos OS in FIPS mode does not support the FIPS 140-2 maintenance role, which is different from the Junos OS maintenance permission.

Among the tasks related to Junos OS in FIPS mode, the Crypto Officer is expected to:

  • Set the initial root password.

  • Reset user passwords for FIPS-approved algorithms during upgrades from Junos OS.

  • Examine log and audit files for events of interest.

  • Erase user-generated files and data on (zeroize) the router or switch.

FIPS User Role and Responsibilities

All FIPS users, including the Crypto Officer, can view the configuration. Only the user assigned as the Crypto Officer can modify the configuration.

The permissions that distinguish Crypto Officers from other FIPS users are secret, security, maintenance, and control. For FIPS compliance, assign the FIPS user to a class that contains none of these permissions.

FIPS users can view configuration on the router or switch and perform other tasks that are not specific to FIPS mode. FIPS user can view status output but cannot reboot or zeroize the device.

What Is Expected of All FIPS Users

All FIPS users, including the Crypto Officer, must observe security guidelines at all times.

All FIPS users must:

  • Keep all passwords confidential.

  • Store routers or switches and documentation in a secure area.

  • Deploy routers or switches in secure areas.

  • Check audit files periodically.

  • Conform to all other FIPS 140-2 security rules.

  • Follow these guidelines:

    • Users are trusted.

    • Users abide by all security guidelines.

    • Users do not deliberately compromise security.

    • Users behave responsibly at all times.