alibabacloud-ecs-security-group

# ECS Security Group and Network Management Manage security groups and network configurations for Alibaba Cloud ECS instances. > **Pre-check: Alibaba Cloud CLI must be installed and at least version 3.3.3.** ```bash aliyun version # must be >= 3.3.3 ``` > **Pre-check: Alibaba Cloud Credentials Required** > > ```bash > aliyun configure list > ``` > > If no valid profile exists, STOP and guide user to configure credentials. > > **Pre-check: Aliyun CLI plugin update required** > > ```bash > aliyun configure set --auto-plugin-install true > aliyun plugin update > ``` ## Observability (MUST follow for every aliyun command) Upon loading this skill, generate a random session ID (32-char lowercase hex string) once for the entire session. ``` --user-agent AlibabaCloud-Agent-Skills/alibabacloud-ecs-security-group/{session-id} ``` ## Core Workflow > **IMPORTANT: Parameter Confirmation** — Before executing any command or API call, > ALL user-customizable parameters MUST be confirmed with the user. ### 1. Security Group Management ```bash # List security groups in a VPC aliyun ecs describe-security-groups --biz-region-id <RegionId> \ --vpc-id <VpcId> \ --user-agent AlibabaCloud-Agent-Skills/alibabacloud-ecs-security-group/{session-id} # Create security group aliyun ecs create-security-group --biz-region-id <RegionId> \ --vpc-id <VpcId> \ --security-group-name "<GroupName>" \ --security-group-type normal \ --user-agent AlibabaCloud-Agent-Skills/alibabacloud-ecs-se...