Requirements

Required

The only required dependency needed to run Fail2ban is Python. You need:

• 0.8 branch
  • Python >=2.4

• 0.6 branch
  • Python >=2.3

For both branches, Python 2.4 is recommended. It is developed using this version.

Optional

However, you will need some of these softwares depending on your needs and setup:

• Netfilter/Iptables
• Shorewall
• TCP Wrapper
• a mailer script