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Deban une IP de fail2ban

Prérequis

  • La distribution linux ubuntu avec fail2ban installé et configuré

Récupérer l'IP banni sur le serveur

sudo fail2ban-client status sshd

output 

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

Débannir l'IP

sudo fail2ban-client set sshd unbanip x.x.x.x