HOWTO Upgrade from 0.6 to 0.8

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Upgrade guide from 0.6 to 0.8

This guide explains how to upgrade from a previous 0.6 installation to 0.8.

Changes

There is two important changes from the user point of view. First, 0.8 is now composed of two independent application: fail2ban-client and fail2ban-server. 0.6 uses a "monolithic" design. Second, 0.8 has multiple configuration files where 0.6 uses only one.

There are a lot of new features and changes. 0.8 is almost a complete rewrite from 0.6. For more information, take a look a the ChangeLog and Features.

Another change that can be worth to notify is the fact that mail notifications are replaced by actions in 0.8. We will look at this more deeply in the above sections.

The concept of jail

0.8 introduces the concept of jail. A jail is the combination of a filter and one or more action scripts. Look at the manual for more information about this. A jail in 0.8 is quite similar to a section in the configuration file of 0.6. Filters are located in /etc/fail2ban/filters and actions in /etc/fail2ban/actions.

TO BE CONTINUED...