RHEL systems use firewalld.
firewalld
Check status: systemctl status firewalld
systemctl status firewalld
Allow SSH & HTTP:
firewall-cmd --permanent --add-service=ssh firewall-cmd --permanent --add-service=http firewall-cmd --permanent --add-service=https firewall-cmd --reload
Welcome to AlmaLinux!Update your system using DNF:dnf update -yInstall EPEL repository (Extra...
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...