Need to migrate your e-mails to a new server? Free and paid versions of our online tool available.
Hero Image

Server Setup Guides

security arch fail2ban

Install Fail2Ban on Arch Linux

Install Fail2Ban on Arch Linux

Step 1 – Install

pacman -S --noconfirm fail2ban
systemctl enable --now fail2ban

Step 2 – /etc/fail2ban/jail.local

[DEFAULT]
bantime  = 3600
findtime = 600
maxretry = 5
banaction = iptables-multiport
ignoreip = 127.0.0.1/8 192.168.1.0/24

[sshd]
enabled  = true...
Read more →
7th May 2026
security debian fail2ban

Install Fail2Ban on Debian 12

Install Fail2Ban on Debian 12

Step 1 – Install

apt install -y fail2ban
systemctl enable --now fail2ban

Step 2 – /etc/fail2ban/jail.local

[DEFAULT]
bantime  = 3600
findtime = 600
maxretry = 5
banaction = iptables-multiport
ignoreip = 127.0.0.1/8 192.168.1.0/24

[sshd]
enabled  = true
port...
Read more →
7th May 2026
security netbsd fail2ban

Install Fail2Ban on NetBSD 10

Install Fail2Ban on NetBSD 10

Step 1 – Install

pkgin install py310-fail2ban
echo 'fail2ban=YES' >> /etc/rc.conf && service fail2ban start

Step 2 – /etc/fail2ban/jail.local

[DEFAULT]
bantime  = 3600
findtime = 600
maxretry = 5
banaction = iptables-multiport
ignoreip = 127.0.0.1/8 192.168.1.0...
Read more →
7th May 2026
security rhel fail2ban

Install Fail2Ban on RHEL 9

Install Fail2Ban on RHEL 9

Step 1 – Install

subscription-manager repos --enable codeready-builder-for-rhel-9-$(arch)-rpms
dnf install -y fail2ban
systemctl enable --now fail2ban

Step 2 – /etc/fail2ban/jail.local

[DEFAULT]
bantime  = 3600
findtime = 600
maxretry = 5
banaction = iptables-mult...
Read more →
7th May 2026