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Oracle Solaris Trusted Extensions Configuration and Administration     Oracle Solaris 11 Express 11/10
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Document Information


Part I Initial Configuration of Trusted Extensions

1.  Security Planning for Trusted Extensions

2.  Configuration Roadmap for Trusted Extensions

3.  Adding Trusted Extensions Software to the Oracle Solaris OS (Tasks)

4.  Configuring Trusted Extensions (Tasks)

5.  Configuring LDAP for Trusted Extensions (Tasks)

6.  Configuring a Headless System With Trusted Extensions (Tasks)

Part II Administration of Trusted Extensions

7.  Trusted Extensions Administration Concepts

8.  Trusted Extensions Administration Tools

9.  Getting Started as a Trusted Extensions Administrator (Tasks)

10.  Security Requirements on a Trusted Extensions System (Overview)

11.  Administering Security Requirements in Trusted Extensions (Tasks)

12.  Users, Rights, and Roles in Trusted Extensions (Overview)

13.  Managing Users, Rights, and Roles in Trusted Extensions (Tasks)

14.  Remote Administration in Trusted Extensions (Tasks)

15.  Trusted Extensions and LDAP (Overview)

16.  Managing Zones in Trusted Extensions (Tasks)

17.  Managing and Mounting Files in Trusted Extensions (Tasks)

18.  Trusted Networking (Overview)

The Trusted Network

Trusted Extensions Data Packets

Trusted Network Communications

Network Configuration Databases in Trusted Extensions

Network Commands in Trusted Extensions

Trusted Network Security Attributes

Network Security Attributes in Trusted Extensions

Host Type and Template Name in Security Templates

Default Label in Security Templates

Domain of Interpretation in Security Templates

Label Range in Security Templates

Security Label Set in Security Templates

Trusted Network Fallback Mechanism

Overview of Routing in Trusted Extensions

Background on Routing

Routing Table Entries in Trusted Extensions

Trusted Extensions Accreditation Checks

Source Accreditation Checks

Gateway Accreditation Checks

Destination Accreditation Checks

Administration of Routing in Trusted Extensions

Choosing Routers in Trusted Extensions

Gateways in Trusted Extensions

Routing Commands in Trusted Extensions

Administration of Labeled IPsec

Labels for IPsec-Protected Exchanges

Label Extensions for IPsec Security Associations

Label Extensions for IKE

Labels and Accreditation in Tunnel Mode IPsec

Confidentiality and Integrity Protections With Label Extensions

19.  Managing Networks in Trusted Extensions (Tasks)

20.  Multilevel Mail in Trusted Extensions (Overview)

21.  Managing Labeled Printing (Tasks)

22.  Devices in Trusted Extensions (Overview)

23.  Managing Devices for Trusted Extensions (Tasks)

24.  Trusted Extensions Auditing (Overview)

25.  Software Management in Trusted Extensions (Reference)

A.  Site Security Policy

Creating and Managing a Security Policy

Site Security Policy and Trusted Extensions

Computer Security Recommendations

Physical Security Recommendations

Personnel Security Recommendations

Common Security Violations

Additional Security References

B.  Configuration Checklist for Trusted Extensions

Checklist for Configuring Trusted Extensions

C.  Quick Reference to Trusted Extensions Administration

Administrative Interfaces in Trusted Extensions

Oracle Solaris Interfaces Extended by Trusted Extensions

Tighter Security Defaults in Trusted Extensions

Limited Options in Trusted Extensions

D.  List of Trusted Extensions Man Pages

Trusted Extensions Man Pages in Alphabetical Order

Oracle Solaris Man Pages That Are Modified by Trusted Extensions



The Trusted Network

Trusted Extensions assigns security attributes to zones, hosts, and networks. These attributes ensure that the following security features are enforced on the network:

In Trusted Extensions, network packets are protected by MAC. Labels are used for MAC decisions. Data is labeled explicitly or implicitly with a sensitivity label. A label has an ID field, a classification or “level” field, and a compartment or “category” field. Data must pass an accreditation check. This check determines if the label is well formed, and if the label lies within the accreditation range of the receiving host. Well-formed packets that are within the receiving host's accreditation range are granted access.

IP packets that are exchanged between trusted systems can be labeled. Trusted Extensions supports Commercial IP Security Option (CIPSO) labels. A CIPSO label on a packet serves to classify, segregate, and route IP packets. Routing decisions compare the sensitivity label of the data with the label of the destination.

Typically on a trusted network, the label is generated by a sending host and processed by the receiving host. However, a trusted router can also add or strip labels while forwarding packets in a trusted network. A sensitivity label is mapped to a CIPSO label before transmission. The CIPSO label is embedded in the IP packet. Typically, a packet sender and the packet's receiver operate at the same label.

Trusted networking software ensures that the Trusted Extensions security policy is enforced even when the subjects (processes) and objects (data) are located on different hosts. Trusted Extensions networking preserves MAC across distributed applications.

Trusted Extensions Data Packets

Trusted Extensions data packets include a CIPSO label option. The data packets can be sent over IPv4 or IPv6 networks.

In the standard IPv4 format, the IPv4 header with options is followed by a TCP, UDP, or SCTP header and then the actual data. The Trusted Extensions version of an IPv4 packet uses the CIPSO option in the IP header for the security attributes.

The preceding text describes the graphic.

In the standard IPv6 format, an IPv6 header with extensions is followed by a TCP, UDP, or SCTP header and then the actual data. The Trusted Extensions IPv6 packet includes a multilevel security option in the header with extensions.

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Trusted Network Communications

Trusted Extensions supports labeled and unlabeled hosts on a trusted network. The txzonemgr GUI enables the network to be administered.

Systems that run Trusted Extensions software support network communications between Trusted Extensions hosts and any of the following types of systems:

As in the Oracle Solaris OS, Trusted Extensions network communications and services can be managed by a naming service. Trusted Extensions adds the following interfaces to Oracle Solaris network interfaces:

Network Configuration Databases in Trusted Extensions

Trusted Extensions loads three network configuration databases into the kernel. These databases are used in accreditation checks as data is transmitted from one host to another host.

Network Commands in Trusted Extensions

Trusted Extensions adds the following commands to administer trusted networking:

Trusted Extensions adds options to the following Oracle Solaris network commands:

Trusted Network Security Attributes

Network administration in Trusted Extensions is based on security templates. A security template describes a set of hosts that have common protocols and identical security attributes.

Security attributes are administratively assigned to systems, both hosts and routers, by means of templates. The security administrator administers templates and assigns them to systems. If a system does not have an assigned template, no communications are allowed with that system.

Every template is named, and includes the following:

For more detail about host types and security attributes, see Network Security Attributes in Trusted Extensions.