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Fail2Ban: How to unban IPs

Fail2Ban: How to unban IPs

Description

Fail2Ban: ban hosts that cause multiple authentication errors

List of BAN IPS

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sudo zgrep 'Ban' /var/log/fail2ban.log*

or

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sudo fail2ban-client banned

Fail2ban prompt

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sudo fail2ban-client -i

Check the status of sshd

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status sshd
Status for the jail: sshd
|- Filter
|  |- Currently failed: 0
|  |- Total failed:     3
|  `- File list:        /var/log/auth.log
`- Actions
   |- Currently banned: 1
   |- Total banned:     1
   `- Banned IP list:   192.168.1.54

Unban IP 192.168.1.54

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set sshd unbanip 192.168.1.54
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Check the status again

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status sshd
Status for the jail: sshd
|- Filter
|  |- Currently failed: 0
|  |- Total failed:     3
|  `- File list:        /var/log/auth.log
`- Actions
   |- Currently banned: 1
   |- Total banned:     1
   `- Banned IP list:   

Sources

Fail2Ban https://github.com/fail2ban/fail2ban

Basic Fail2ban commands https://bornoe.org/blog/2023/09/basic-fail2ban-commands/

Want to thank me?

🤝 Buy me a coffee https://buymeacoffee.com/dbplatz

This post is licensed under CC BY 4.0 by the author.