AWS Security group (SG)

Security groups are stateful firewalls

• https://docs.aws.amazon.com/vpc/latest/userguide/VPC_SecurityGroups.html

• aws ec2 create-security-group
• aws ec2 describe-security-groups
• aws ec2 delete-security-group

aws ec2 describe-instances | grep "GroupName|GroupId"

• Terraform resource: aws_security_group

Activities

• Read: https://aws.amazon.com/premiumsupport/knowledge-center/troubleshoot-delete-vpc-sg/

Related

• CidrIp
• cidr_blocks
• Network ACL

See also

• AWS Security group (SG): aws ec2 [ create-security-group | describe-security-groups | delete-security-group | authorize-security-group-ingress | authorize-security-group-egress ]
• Security Group, DBSecurityGroup, aws_security_group, aws_security_group_rule, VpcSecurityGroupId, AWS::EC2::SecurityGroup, Security groups for Pods in EKS
• AWS EC2, Amazon EC2 API, aws ec2, AWS::EC2, Amazon EC2 Spot Instances, CPU credits, Instance type, EC2 limitations, 169.254.169.254, Instance metadata and user data (IMDS), InstanceType, InstanceId, Amazon EC2 Auto Scaling, AWS EC2 Instance Connect, launch template, lifecycle, AWS Security group (SG), Amazon EC2 Recycle Bin, Amazon EC2 Mac Instances, Global View