Describe security groups

bash

aws ec2 describe-security-groups

Explanation

Use queries to narrow to specific ports or group IDs.

Learn the surrounding workflow

Compare similar commands or jump into common fixes when this command is part of a bigger troubleshooting path.

Same sheet · prioritizing VPC, Subnets, and Security Groups

Allow inbound TCP 443 from a CIDR block.

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Delete an inbound rule from a security group.

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List VPCs in the account.

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List subnets and their attributes.

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Apply tags to one or more EC2 resources.

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List EC2 instances and their attributes.

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