Security Group Usage Guidelines

Common Operations

• Recommendations
• Creating a Security Group
• Cloning a Security Group
• Adding a Security Group Rule
• Modifying a Security Group Rule
• Importing and Exporting Security Group Rules
• Adding Instances to and Removing Them from a Security Group
• Deleting a Security Group
• Using IP Address Groups to Reduce the Number of Security Group Rules

Here are some common security group configuration examples for different scenarios, including remote login to ECSs, website access, network connectivity test, and internal communications between instances in different security groups.

• Allowing Traffic from Given IP Addresses or Security Groups
• Allowing Traffic from a Virtual IP Address
• Allowing Communications Between Instances in Two VPCs Connected by a VPC Peering Connection
• Remotely Logging In to an ECS from a Local Server
• Remotely Connecting to an ECS from a Local Server to Upload or Download Files over FTP
• Setting Up a Website on an ECS to Provide Internet-Accessible Services
• Using ping Command to Verify Network Connectivity
• Enabling Communications Between Instances in Different Security Groups
• ECS Providing Database Access Service