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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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12 Certificate Store

Abstract

Certificates play an important role in the authentication of companies and individuals. Usually certificates are administered by the application itself. In some cases, it makes sense to share certificates between applications. The certificate store is a common ground for Firefox, Evolution, and NetworkManager. This chapter explains some details.

12.1 Activating Certificate Store
12.2 Importing Certificates

The certificate store is a common database for Firefox, Evolution, and NetworkManager at the moment. Other applications that use certificates are not covered but may be in the future. If you have such an application, you can continue to use its private, separate configuration.

12.1 Activating Certificate Store

The configuration is mostly done in the background. To activate it, proceed as follows:

  1. Decide if you want to activate the certificate store globally (for every user on your system) or specifically to a certain user:

    • For every user.  Use the file /etc/profile.local

    • For a specific user.  Use the file ~/.bashrc

  2. Open the file from the previous step and insert the following line: 

    export NSS_USE_SHARED_DB=1

    Save the file

  3. Log out of and log in to your desktop.

All the certificates are stored under $HOME/.local/var/pki/nssdb/.

12.2 Importing Certificates

To import a certificate into the certificate store, do the following:

  1. Start Firefox.

  2. Open the dialog from Edit › Preferences. Change to Advanced › Encryption and click View Certificates.

  3. Import your certificate depending on your type: use Servers to import server certificate, People to identify other, and Your Certificates to identify yourself.

→Chapter 13 Intrusion Detection with AIDE←Chapter 11 Encrypting Partitions and Files
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