Fail2Ban for Proxmox Backup Server (PBS)
filter and jail for fail2ban protecting a Proxmox Backup Server (PBS) from brute force attacks to the API/WebGUI
apt -y update; apt -y install fail2ban
# Download or clone this repository
git clone https://github.com/inettgmbh/fail2ban-proxmox-backup-server.git
# Put filter.d/proxmox-backup-server.conf contents to /etc/fail2ban/filter.d/proxmox-backup-server.conf
cp filter.d/proxmox-backup-server.conf /etc/fail2ban/filter.d/proxmox-backup-server.conf
# Put jail.d/proxmox-backup-server.conf to /etc/fail2ban/jail.d/proxmox-backup-server.conf
cp jail.d/proxmox-backup-server.conf /etc/fail2ban/jail.d/proxmox-backup-server.conf
# Restart Fail2Ban Service
systemctl restart fail2ban.service
fail2ban-client status
Status
|- Number of jail: 2
`- Jail list: proxmox-backup-server, sshd
fail2ban-client status proxmox-backup-server
Status for the jail: proxmox-backup-server
|- Filter
| |- Currently failed: 0
| |- Total failed: 0
| `- File list: /var/log/proxmox-backup/api/auth.log
`- Actions
|- Currently banned: 0
|- Total banned: 0
`- Banned IP list: