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2.2.3. Security Shortcuts

To simplify this guide and focus on the aspects directly connected to clustering, we will now disable the machine’s firewall and SELinux installation.


Both of these actions create significant security issues and should not be performed on machines that will be exposed to the outside world.


TODO: Create an Appendix that deals with (at least) re-enabling the firewall.
# setenforce 0
# sed -i.bak "s/SELINUX=enforcing/SELINUX=permissive/g" /etc/selinux/config
# systemctl disable iptables.service
# rm '/etc/systemd/system/'
# systemctl stop iptables.service