Preface

Labels, clearances, and handling instructions are used to protect information on a system that is configured with the Oracle Solaris' Trusted Extensions feature. The components of labels, clearances, and handling instructions are specified in the label_encodings file. This guide provides background for creating or modifying the file. The guide provides examples, and helps you to create and install a label_encodings file that is appropriate for your site.

Who Should Use This Book

This book is for security administrators. Security administrators are responsible for defining the organization's labels. Some security administrators are also responsible for implementing the labels. This book is for definers and implementers.

Note - Labels are always being used. Labels provide mandatory access control (MAC), and MAC is always enforced. Therefore, the site's label_encodings file must be in place before any users or roles are created.

Trusted Extensions installs a default label_encodings file. The security administrator must provide a file that is appropriate for the site.

The security administrator who implements the labels should be familiar with Solaris administration. The necessary level of knowledge can be acquired through training and documentation. For details, see Documentation, Support, and Training.

How the Solaris Trusted Extensions Books Are Organized

The Solaris Trusted Extensions documentation set supplements the documentation for the Solaris release. Review both sets of documentation for a more complete understanding of Solaris Trusted Extensions. The following table lists the topics that are covered in the Solaris Trusted Extensions guides and the audience for each guide.

Book Title	Topics	Audience
Oracle Solaris Trusted Extensions User’s Guide	Describes the basic features of Solaris Trusted Extensions. This book contains a glossary.	End users, administrators, developers
Oracle Solaris Trusted Extensions Administrator’s Procedures	Shows how to perform specific administration tasks. Part I describes how to prepare for, enable, and initially configure Trusted Extensions. Part II describes how to administer a Trusted Extensions system. This book contains a glossary.	Administrators, developers
Oracle Solaris Trusted Extensions Developer’s Guide	Describes how to develop applications with Solaris Trusted Extensions.	Developers, administrators
Oracle Solaris Trusted Extensions Label Administration	Provides information about how to specify label components in the label encodings file.	Administrators
Compartmented Mode Workstation Labeling: Encodings Format	Describes the syntax used in the label encodings file. The syntax enforces the various rules for well-formed labels for a system.	Administrators

How This Book Is Organized

Chapter 1, Labels in Trusted Extensions Software discusses labels-related concepts for the security administrator who prepares the site's label_encodings file.
Chapter 2, Planning Labels (Tasks) provides planning steps for the security administrator who prepares the site's label_encodings file. This chapter also describes the encodings files that Trusted Extensions provides.
Chapter 3, Making a Label Encodings File (Tasks) describes how to create, customize, and check the label_encodings file.
Chapter 4, Labeling Printer Output (Tasks) describes the labels and handling instructions on printer output and gives procedures for modifying them.
Chapter 5, Customizing LOCAL DEFINITIONS describes the optional LOCAL DEFINITIONS section of the label_encodings file.
Chapter 6, Example: Planning an Organization's Labels models how a site analyzes its label requirements and creates a label_encodings file.
Appendix A, Sample Label Encodings File contains the example of the label_encodings file from Chapter 6, Example: Planning an Organization's Labels.

Documentation, Support, and Training

See the following web sites for additional resources:

Documentation
Support
Training – Click the Sun link in the left navigation bar.

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Typographic Conventions

The following table describes the typographic conventions that are used in this book.

Table P-1 Typographic Conventions

Typeface	Meaning	Example
`AaBbCc123`	The names of commands, files, and directories, and onscreen computer output	Edit your `.login` file. Use `ls -a` to list all files. `machine_name% you have mail.`
`AaBbCc123`	What you type, contrasted with onscreen computer output	`machine_name%` `su` `Password:`
`aabbcc123`	Placeholder: replace with a real name or value	The command to remove a file is `rm` `filename`.
AaBbCc123	Book titles, new terms, and terms to be emphasized	Read Chapter 6 in the User's Guide. A cache is a copy that is stored locally. Do not save the file. Note: Some emphasized items appear bold online.

Shell Prompts in Command Examples

The following table shows the default UNIX system prompt and superuser prompt for shells that are included in the Oracle Solaris OS. Note that the default system prompt that is displayed in command examples varies, depending on the Oracle Solaris release.

Table P-2 Shell Prompts

Shell	Prompt
Bash shell, Korn shell, and Bourne shell	`$`
Bash shell, Korn shell, and Bourne shell for superuser	`#`
C shell	`machine_name%`
C shell for superuser	`machine_name#`

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