EC2 Tips/Guides/misc...etc instance-metadata-transition-to-version-2 instances.vantage.sh Import/Export AMI to/from EC2 import-vm-image AMI https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/ComponentsAMIs.html docs.aws.amazon.com/marketplace/latest/userguide/pricing-ami-products.html#pricing-models-for-ami-products VPC subnet SG(Security Group) How combined with WAF? DDOS? DDoS protection