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openSUSE Leap Documentation › Security Guide › About This Guide
ContentsContents
Security Guide
  1. About This Guide
  2. 1 Security and Confidentiality
  3. I Authentication
    1. 2 Authentication with PAM
    2. 3 Using NIS
    3. 4 Setting Up Authentication Servers and Clients Using YaST
    4. 5 LDAP—A Directory Service
    5. 6 Network Authentication with Kerberos
    6. 7 Active Directory Support
  4. II Local Security
    1. 8 Configuring Security Settings with YaST
    2. 9 Authorization with PolKit
    3. 10 Access Control Lists in Linux
    4. 11 Encrypting Partitions and Files
    5. 12 Certificate Store
    6. 13 Intrusion Detection with AIDE
  5. III Network Security
    1. 14 X Window System and X Authentication
    2. 15 SSH: Secure Network Operations
    3. 16 Masquerading and Firewalls
    4. 17 Configuring a VPN Server
    5. 18 Managing X.509 Certification
  6. IV Confining Privileges with AppArmor
    1. 19 Introducing AppArmor
    2. 20 Getting Started
    3. 21 Immunizing Programs
    4. 22 Profile Components and Syntax
    5. 23 AppArmor Profile Repositories
    6. 24 Building and Managing Profiles with YaST
    7. 25 Building Profiles from the Command Line
    8. 26 Profiling Your Web Applications Using ChangeHat
    9. 27 Confining Users with pam_apparmor
    10. 28 Managing Profiled Applications
    11. 29 Support
    12. 30 AppArmor Glossary
  7. V SELinux
    1. 31 Configuring SELinux
  8. VI The Linux Audit Framework
    1. 32 Understanding Linux Audit
    2. 33 Setting Up the Linux Audit Framework
    3. 34 Introducing an Audit Rule Set
    4. 35 Useful Resources
  9. A GNU Licenses
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Applies to openSUSE Leap 15.0

About This Guide

Available Documentation
Feedback
Documentation Conventions

This manual introduces the basic concepts of system security on openSUSE Leap. It covers extensive documentation about the authentication mechanisms available on Linux, such as NIS or LDAP. It deals with aspects of local security like access control lists, encryption and intrusion detection. In the network security part you learn how to secure computers with firewalls and masquerading, and how to set up virtual private networks (VPN). This manual shows how to use security software like AppArmor (which lets you specify per program which files the program may read, write, and execute) or the auditing system that collects information about security-relevant events.

1 Available Documentation

Note
Note: Online Documentation and Latest Updates

Documentation for our products is available at http://doc.opensuse.org/, where you can also find the latest updates, and browse or download the documentation in various formats.

In addition, the product documentation is usually available in your installed system under /usr/share/doc/manual.

The following documentation is available for this product:

Book “Start-Up”

This manual will see you through your initial contact with openSUSE® Leap. Check out the various parts of this manual to learn how to install, use and enjoy your system.

Book “Reference”

Covers system administration tasks like maintaining, monitoring and customizing an initially installed system.

Book “Virtualization Guide”

Describes virtualization technology in general, and introduces libvirt—the unified interface to virtualization—and detailed information on specific hypervisors.

Book “AutoYaST Guide”

AutoYaST is a system for unattended mass deployment of openSUSE Leap systems using an AutoYaST profile containing installation and configuration data. The manual guides you through the basic steps of auto-installation: preparation, installation, and configuration.

Security Guide

Introduces basic concepts of system security, covering both local and network security aspects. Shows how to use the product inherent security software like AppArmor or the auditing system that reliably collects information about any security-relevant events.

Book “System Analysis and Tuning Guide”

An administrator's guide for problem detection, resolution and optimization. Find how to inspect and optimize your system by means of monitoring tools and how to efficiently manage resources. Also contains an overview of common problems and solutions and of additional help and documentation resources.

Book “GNOME User Guide”

Introduces the GNOME desktop of openSUSE Leap. It guides you through using and configuring the desktop and helps you perform key tasks. It is intended mainly for end users who want to make efficient use of GNOME as their default desktop.

2 Feedback

Several feedback channels are available:

Bug Reports

To report bugs for openSUSE Leap, go to https://bugzilla.opensuse.org/, log in, and click New.

Mail

For feedback on the documentation of this product, you can also send a mail to doc-team@suse.com. Make sure to include the document title, the product version and the publication date of the documentation. To report errors or suggest enhancements, provide a concise description of the problem and refer to the respective section number and page (or URL).

3 Documentation Conventions

The following notices and typographical conventions are used in this documentation:

  • /etc/passwd: directory names and file names

  • PLACEHOLDER: replace PLACEHOLDER with the actual value

  • PATH: the environment variable PATH

  • ls, --help: commands, options, and parameters

  • user: users or groups

  • package name : name of a package

  • Alt, Alt–F1: a key to press or a key combination; keys are shown in uppercase as on a keyboard

  • File, File › Save As: menu items, buttons

  • Dancing Penguins (Chapter Penguins, ↑Another Manual): This is a reference to a chapter in another manual.

  • Commands that must be run with root privileges. Often you can also prefix these commands with the sudo command to run them as non-privileged user. 

    root # command
tux > sudo command

  • Commands that can be run by non-privileged users. 

    tux > command

  • Notices

    Warning
    Warning: Warning Notice

    Vital information you must be aware of before proceeding. Warns you about security issues, potential loss of data, damage to hardware, or physical hazards.

    Important
    Important: Important Notice

    Important information you should be aware of before proceeding.

    Note
    Note: Note Notice

    Additional information, for example about differences in software versions.

    Tip
    Tip: Tip Notice

    Helpful information, like a guideline or a piece of practical advice.

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