RHEL systems use firewalld.
Check status: 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
RHEL systems use firewalld.
Check status: 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