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- 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
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- 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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Fail2ban in PHP (powered by Viktor Szépe):