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zb226 edited this page 2024-10-26 14:18:48 +02:00
Fail2ban · Welcome to the fail2ban wiki!
Getting started
HowTo's
- Install fail2ban on your Linux distribution
- Install or upgrade fail2ban manually
- Test newer fail2ban version
- Create standalone instance
- Ban something other as host/IP, like user or e-mail
- Fail2Ban and Docker
FAQ
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Banning
- Fail2ban does not detect some authentication failures or ban doesn't occur
- Ban takes place but does not work, the intruder is still able to connect and continues an attack
- Fail2ban detects resp. incorrectly blocks some authentication attempts as failure (e. g. bans my IP address)
- Fail2ban does not ban and logs include iptables v...: unknown option "-w"
- After Fail2ban starts, I'm not seeing the filter chains I expect as per my configuration
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Configuration
Design
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Directory, Files, and File Formats
- [Directory Layout]
- [File Names and Format]
Miscellaneous
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Fail2ban in PHP (powered by Viktor Szépe):
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Fail2ban on OpenWRT:
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Troubleshooting Regex
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Sharing Fail2ban IP lists over the Internet with vallumd