Might be a silly question but I've accidentally locked myself out of my EC2 instance because I installed firewalld then rebooted my instance. Now I can't SSH into it, so what I did was clone a new instance, attach the volume from the original instance, SSH into and now I can see the firewalld files. If I delete them then reattach the volume to the original instance will that be enough to make sure it's no longer enabled on it?
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