Fail2ban
fail2ban.orgRank Trend
Ranking history over time.
About Fail2ban
Fail2ban is a security tool that protects servers from brute-force attacks by banning IP addresses that show malicious signs. It helps enhance the security of various services by monitoring log files and taking action against repeated authentication failures.
Protect your server from brute-force attacks with automated IP banning.
What You Can Do
- Monitor log files for authentication errors
- Ban IP addresses causing repeated failures
- Configure rules for different services
- Receive notifications on bans
Frequently Asked Questions
What is Fail2ban?
Fail2ban is a security software that prevents unauthorized access by banning IP addresses that exhibit malicious behavior.
How does Fail2ban work?
It monitors log files for failed authentication attempts and automatically bans IPs that exceed a specified number of failures.
Is Fail2ban easy to install?
Yes, Fail2ban can be easily installed on various Linux distributions using package managers.
Can I customize the ban settings?
Yes, Fail2ban allows users to customize ban durations and the number of failures required to trigger a ban.
Does Fail2ban support multiple services?
Yes, Fail2ban can be configured to protect various services like SSH, FTP, and web applications.