Security

There are many steps you can take to strengthen the security posture of your system. In this section you will find explanations of various concepts related to security.

  • Security suggestions provides general recommendations for any Ubuntu system, from straightforward setups to more advanced and complex systems.

Authentication

  • About DNSSEC, the security extension for the Domain Name System (DNS).

Cryptography

  • Certificates are issued, stored and signed by a Certificate Authority (CA) to create trusted connections.

  • Our cryptography section explains more about the different cryptographic libraries and configurations you might encounter.

Virtual Private Network (VPN)

VPNs are commonly used to provide encrypted, secure access to a network.

  • OpenVPN clients provides a list of client implementations that can be used with a GUI across platforms.

See also

How-to: Security