Welcome to AlmaLinux!
Update your system using DNF:
dnf update -y
Install EPEL repository (Extra Packages for Enterprise Linux):
dnf install epel-release -y
RHEL systems use firewalld.Check status: systemctl status firewalldAllow SSH & HTTP:firewall-cmd...
Requires EPEL repo.dnf install fail2ban fail2ban-firewalld -yEnable and start:systemctl enable...
1. Disable Root LoginEdit config: nano /etc/ssh/sshd_configSet PermitRootLogin no.2. Restart...