Document Center

    Elastic Compute Service

    • Announcements & Updates
      • Release notes
      • Security announcement
        • Vulnerability announcement | Windows SMBv3 remote code execution vulnerability (CVE-2020-0796)
        • Vulnerability announcement | Windows CryptoAPI spoofing vulnerability (CVE-2020-0601)
    • Product Introduction
      • What is ECS?
      • Benefits of ECS
      • Scenarios
      • Regions and zones
      • Limits
      • Usage notes
    • Pricing
      • Billing overview
      • Billing methods of public bandwidth
      • Snapshot billing
      • Comparison of billing methods
      • Subscription
      • Pay-as-you-go
      • No Fees for Stopped Instances (VPC-Connected)
      • Reserved instance billing
      • Switch the billing method from Subscription to Pay-As-You-Go
      • Switch the billing method from pay-as-you-go to subscription
      • Change the billing method of a subscription disk
      • Renew instances
        • Overview
        • Manually renew an instance
        • Enable auto-renewal
        • View auto-renewal status
        • Disable auto-renewal
        • Downgrade instance configurations during renewal
      • Billing FAQ
    • Quick Start
      • Overview
      • Manage an ECS instance in the console (express version)
      • Create an instance in the ECS console (detailed version)
        • Quick start for Linux instances
        • Quick start for Windows instances
      • Create an ECS instance by using CLI commands
      • Create an ECS instance by using SDKs
    • Instance
      • Overview
      • ECS instance lifecycle
      • Instance families
      • Instance type families
        • General purpose instance families
        • Compute optimized instance families
        • Memory optimized instance families
        • Big data instance families
        • Instance families with local SSDs
        • Instance families with high clock speed
        • Compute optimized type family with GPU
          • Compute optimized instance families with GPU capabilities
          • Create a compute optimized instance with GPU capabilities
          • Install a GPU driver manually
          • Manually uninstall the GPU driver
          • Install GRID drivers on instances with GPU capabilities
          • Install NVIDIA GRID drivers on vgn6i or vgn5i Linux instances
          • Use the GPU cloud accelerator AIACC
        • Compute optimized type family with FPGA
          • Compute optimized instance families with FPGAs
          • Create an f1 instance
          • Create an f3 instance
        • ECS bare metal instance type family
          • ECS Bare Metal Instance
          • Create an ECS Bare Metal instance
          • Install SGX
        • Super Computing Cluster instance type family
          • Overview
          • Create an SCC instance
        • Burstable performance instances
          • Overview
          • Benefits
          • CPU credit change examples
          • Billing
          • Create a burstable instance
          • Switch the performance mode of a burstable instance
          • Monitor burstable instances
          • View bills of a burstable instance
        • Shared instance families
      • Instance purchasing options
        • Subscription
        • Pay-as-you-go
        • Preemptible instances
          • Overview
          • Create a preemptible instance
          • View bills of a preemptible instance
          • Query interruption events of preemptible instances
          • Stop a preemptible instance
        • Reserved Instances
          • Reserved instance overview
          • Match between reserved instances and pay-as-you-go instances
          • Purchase reserved instances
          • Split a reserved instance
          • Merge reserved instances
          • Modify a reserved instance
          • View normalization factors
          • View matched pay-as-you-go instances
          • View the usage details of a reserved instance
        • Switch billing method
          • Switch the billing method from Pay-As-You-Go to Subscription
          • Switch the billing method from Subscription to Pay-As-You-Go
      • Create an instance
        • Creation method overview
        • Create an instance by using the provided wizard
        • Create an ECS instance by using a custom image
        • Purchase an ECS instance of the same configuration
        • Create an instance by using a launch template
        • Instructions for purchase
      • Connect to instances
        • Overview
        • Connect to Linux instances
          • Connect to a Linux instance from the console
          • Connect to a Linux instance by using an SSH key pair
          • Connect to a Linux instance by using a username and password
          • Connect to a Linux instance from a mobile device
        • Connect to Windows instances
          • Connect to a Windows instance by using VNC
          • Connect to a Windows instance
          • Connect to a Windows instance from a mobile device
      • Manage instances
        • Start ECS instances
        • Stop an instance
        • Restart an instance
        • Release an instance
        • Reactivate an instance
        • View instance information
        • Modify the properties of an instance
        • Customize CPU options
        • Modify instance maintenance attributes
        • Reset the logon password of an instance
        • Change the logon password of an instance by connecting to the instance
        • Enable or disable release protection for ECS instances
        • Run remote commands
        • Metadata
          • Metadata
          • Access mode of instance metadata
          • Retrieve instance metadata
        • User data
          • Prepare user data
          • Configure user data
          • View user data
          • Modify user data
          • Customize yum repository, NTP service, and DNS service
          • Create a new account with the root user privilege
        • Instance identity
        • Manage software on Linux instances
          • Add a software repository
          • Search for software packages
          • Install software packages
          • Update software
        • Configure time
          • Alibaba Cloud NTP server
          • Configure the NTP service for Windows instances
          • Time setting: Synchronize NTP servers and change time zone for Linux instances
      • Renew Subscription instances
        • Renewal overview
        • Manually renew an instance
        • Enable auto-renewal
        • Downgrade the configurations of an instance during renewal
      • Change configurations
        • Overview of instance upgrade and downgrade
        • Instance type changes
        • Upgrade configurations
          • Upgrade configurations of subscription instances
        • Downgrade configurations
          • Downgrade the public bandwidth of subscription instances
          • Downgrade the instance type of subscription instances in real time
        • Change configurations of Pay-As-You-Go instances
          • Change the Internet bandwidth of a pay-as-you-go instance
          • Change the instance type of a pay-as-you-go instance
        • Modify the bandwidth of an Elastic IP address
        • Downgrade the configurations of an instance during renewal
      • Phased-out instance types
      • ECS instance FAQ
      • Instance families that do not support advanced VPC features
    • Images
      • Image overview
      • Select an image
      • Find an image
      • Public image
        • Overview
        • Release notes
        • Known issues
      • Aliyun Linux 2
        • Overview of Aliyun Linux 2
        • Release notes of Aliyun Linux 2
        • Known issues about Aliyun Linux 2
        • Features and interfaces supported by Aliyun Linux 2
          • Use Aliyun Linux 2 images in an on-premises environment
          • Use YUM to perform security updates
          • Enable the cgroup writeback feature
          • Configure the weight-based throttling feature of blk-iocost
          • Enable the PSI feature for the cgroup v1 interface
          • Change the TCP TIME-WAIT timeout period
          • Enhance the monitoring of block I/O throttling
          • Use the JBD2 optimization interface
          • Create a hard link across project quotas
          • Track I/O latency
          • Detect I/O hangs of file systems and block layers
          • Memcg global minimum watermark rating
          • Memcg backend asynchronous reclaim
          • Memcg QoS feature of the cgroup v1 interface
          • Memcg Exstat feature
        • Knowledge base about Aliyun Linux 2
        • FAQ about Aliyun Linux 2
      • Custom image
        • Create custom image
          • Create a custom image from a snapshot
          • Create a custom image from an instance
          • Create a custom image by using Packer
          • Create and import an on-premises image by using Packer
        • Import images
          • Image import procedure
          • Use the image compliance tool
          • Instructions for importing images
          • Install cloud-init
          • Install virtio driver
          • Customize Linux images
          • Convert the image file format
          • Import custom images
        • Update a custom image
        • Copy custom images
        • Share or unshare custom images
        • Export a custom image
        • Modify custom images
        • Delete a custom image
      • Alibaba Cloud Marketplace images
      • Change the operating system
      • End of support for operating systems
      • Image FAQ
      • FAQ
        • Manage Windows Server Semi-Annual Channel images and instances
        • Install GRUB in a Linux server
    • Block Storage
      • Block Storage overview
        • Block Storage overview
        • Cloud disks overview
        • Enhanced SSDs
        • Local disks
        • Triplicate storage
      • Cloud disks
        • Create a cloud disk
          • Create a pay-as-you-go disk
          • Create a disk from a snapshot
        • Attach a data disk
        • Format a data disk
          • Format a data disk for a Linux instance
          • Format a data disk for a Windows ECS instance
          • Partition and format a data disk larger than 2 TiB
          • Create a file system on a raw data disk
        • Change the operating system
          • Replace the system disk (non-public images)
          • Replace the system disk (public images)
        • Reinitialize a cloud disk
          • Reinitialize a system disk
          • Reinitialize a data disk
        • Roll back a disk
        • Modify the performance levels of ESSDs
        • View the monitoring data of a cloud disk
        • Query the serial number of a disk
        • Convert the billing method of a cloud disk
        • Detach or attach a system disk
        • Detach a data disk
        • Release a disk
      • Encrypt a disk
        • Encryption overview
        • Encrypt a system disk
        • Encrypt a data disk
      • Resize cloud disks
        • Overview
        • Resize disks online (Linux)
        • Resize disks offline (Linux)
        • Resize disks online (Windows)
        • Resize disks offline (Windows)
        • Update the Red Hat VirtIO driver of Windows ECS instances
      • Performance
        • Block Storage performance
        • Storage I/O performance
        • Performance tests on Block Storage
        • Test the IOPS performance of an enhanced SSD
      • Block Storage FAQ
    • Snapshots
      • Snapshot overview
      • Local snapshots
      • Incremental snapshots
      • Use snapshots
        • Activate ECS Snapshot
        • Create a normal snapshot
        • Create a local snapshot
        • Roll back a disk by using a snapshot
        • Reduce snapshot fees
        • View the snapshot size
        • Delete a snapshot
      • Automatic snapshot policies
        • Overview
        • Create an automatic snapshot policy
        • Apply or disable an automatic snapshot policy
        • Delete automatic snapshots while releasing a disk
        • Modify an automatic snapshot policy
        • Delete an automatic snapshot policy
      • Snapshot FAQ
    • Security
      • Security groups
        • Security group overview
        • Advanced security group
        • Scenarios for security groups
        • Typical applications of commonly used ports
        • Create a security group
        • Add security group rules
        • Add an ECS instances to a security group
        • Replace security groups of an ECS instance
        • Manage security groups
          • Query security groups
          • Modify a security group
          • Clone a security group
          • Remove an instance from a security group
          • Delete security groups
        • Manage security group rules
          • Manage security group rules
          • Modify security group rules
          • Restore security group rules
          • Export security group rules
          • Import security group rules
          • Delete a security group rule
      • Key pairs
        • Overview
        • Use an SSH key pair
          • Create an SSH key pair
          • Import an SSH key pair
          • Bind an SSH key pair to an instance
          • Unbind an SSH key pair
          • Delete an SSH key pair
          • View public key information
          • Add or replace an SSH key pair
      • Implement access control by using RAM
      • Instance RAM roles
        • Overview
        • Bind an instance RAM role
        • Manage an instance RAM role
          • Replace an instance RAM role
          • Unbind a RAM role
          • Obtain a temporary authorization token
          • Authorize a RAM user to use an instance RAM role
        • Use an instance RAM role by calling API operations
      • Anti-DDoS Basic
      • Basic security services
      • Security FAQ
    • Network
      • Network types
      • Instance IP addresses
        • IP addresses of ECS instances within VPCs
        • IP addresses of a classic network-connected ECS instance
        • Elastic IP Addresses
        • Intranet
      • Change IPv4 addresses
        • Change the private IP address of an instance
        • Change the public IP address of an ECS instance
        • Convert the public IP address of a VPC-type instance to an Elastic IP address
        • Convert the public IP address of a classic network-type instance to an Elastic IP address
      • Elastic Network Interfaces
        • ENI overview
        • Create an ENI
        • Attach an ENI
        • Configure an ENI
        • Assign a secondary private IP address
        • Revoke secondary private IP addresses
        • Modify an ENI
        • Detach an ENI from an instance
        • Delete an ENI
      • Configure NIC multi-queue
      • Change the VPC of an ECS instance
      • Connect a classic network to a VPC
      • Network FAQ
    • Elasticity
      • Launch template
        • Launch templates
        • Create a launch template
        • Create a template version
        • Delete a launch template and a specified template version
      • Create a scaling group based on an existing ECS instance
      • Deployment sets
        • Overview
        • Create a deployment set
        • Create an ECS instance in a deployment set
        • Change the deployment set of an instance
        • Manage deployment sets
        • Delete a deployment set
      • Resource Orchestration Service
        • ROS overview
      • Manage auto provisioning groups
        • Auto Provisioning overview
        • Configure an auto provisioning group
        • Create an auto provisioning group
        • View an auto provisioning group
        • Modify an auto provisioning group
        • Delete auto provisioning groups
      • Terraform
        • What is Terraform?
        • Install and configure Terraform
        • Create an ECS instance
        • Create multiple ECS instances
        • Deploy a web cluster
    • Tag & Resource
      • Tags
        • Overview
        • Create or bind a tag
        • Search for resources by tag
        • Use the tag editor to manage resource tags
        • Create a resource with a specific tag
        • Use OOS to modify a tag value for multiple resources
        • Use OOS to bind tags to multiple ECS resources at a time
        • Control access to resources by using tags
        • Delete or unbind a tag
        • Best practices for tag design
      • Resource
        • Resource groups
        • View and increase quotas (new version)
        • View quotas (old version)
        • Resource Overview
          • View the instance overview
          • View the storage overview
          • View the encrypted resource overview
        • Search for resources
    • Deployment & Maintenance
      • Cloud assistant
        • Cloud Assistant overview
        • Configure the Cloud Assistant client
          • Install the Cloud Assistant client
          • Update or disable updates for the Cloud Assistant client
          • Start or stop the Cloud Assistant client
        • Use the cloud assistant
          • Use the immediate script execution feature
          • Create a script
          • Run commands
          • View the execution result of a script
          • Modify a script
          • Clone a script
          • Stop a script
          • Delete a script
        • DevOps practice
          • Use Java to manage ECS instances without logon
          • Use Python to manage ECS instances without logon
          • View instance configurations
          • Modify instance configurations and install applications
          • Implement permission control by using RAM
        • Cron expression
      • OOS
        • Overview
        • Start multiple ECS instances by using OOS
      • System events
        • Overview of system events
        • System events on ECS instances equipped with local disks
          • Overview of system events on ECS instances equipped with local disks
          • Redeploy an instance equipped with local disks
          • Isolate damaged local disks in the ECS console
          • Isolate damaged local disks by using Alibaba Cloud CLI
        • Automatic recovery events of instances
        • System event of instance creation failure
        • Modify the scheduled restart time
        • View system events
        • View system event history
      • Event notifications
        • Overview
        • Set event notifications
        • Event notification list
          • Instance event notification
          • Block storage event notification
          • Snapshot event notification
      • Monitor the instance status
        • Monitoring
        • View the health status of an instance
      • Troubleshoot operation errors
        • System logs and screenshots
        • Automatic diagnosis system
      • O&M and monitoring FAQ
    • Migration Service
      • Migrate servers
      • Databases in ECS instances
        • Migrate data between user-created databases on ECS instances
        • Migrate a local user-created database to ECS
    • Best Practices
      • Quick reference
      • Best practices for instance type selection
      • Provisioning methods of ECS instances
      • Best practices for cost management
      • Security
        • Best practices of the security group (part 1)
        • Best practices of the security group (part 2)
        • Best practices of the security group (part 3)
        • ECS data security best practices
        • Improve ECS instance security
        • Configure interconnection of instances over the classic network
        • Modify the default remote port of an instance
        • Use logs in Windows instances
        • Best practices for Windows Firewall with Advanced Security
        • Isolation of instances within a security group
        • Security group quintuple rules
        • Use Cloud Firewall to control access between ECS instances
        • Revoke the authorization for internal network communication between ECS instances in different accounts through the API
        • Authorize internal network communication between ECS instances under different accounts by using the API
        • Enable or disable SELinux
      • Data recovery
        • Restore data deleted by mistake
        • Handle low disk space on Windows instances
        • Restore data in Linux instances
        • Restore data in Windows instances
      • Configuration preference
        • Transfer ECS instance data
        • Increase data throughput through read/write splitting
        • Change the preferred language of a Windows instance
        • Boot a Linux ECS instance into single user mode
      • Best practices for multiple cloud disks
        • Use LVs for Linux
          • Create an LV
          • Resize an LV
        • Create RAID arrays for Linux
      • Best practices for tag design
      • Best practices for using custom images
        • Packer: machine images as code
          • Alicloud Image Builder parameters used to implement DevOps
          • Benefits of using Packer to create custom images
        • Create and import a custom image
        • Overview
        • Use OOS to update custom images
      • Monitor
        • Use CloudMonitor to monitor ECS instances
      • Use RAM roles to access other Alibaba Cloud services
      • GPU instances
        • Deploy an NGC environment on instances with GPU capabilities
        • Use RAPIDS to accelerate machine learning tasks on a GPU-accelerated instance
      • FaaS instances best practices
        • Use RTL Compiler on an f1 instance
        • Use OpenCL on an f1 instance
        • Use OpenCL on an f3 instance
        • Use the RTL design on an f3 instance
        • faascmd tool
          • faascmd overview
          • Install faascmd
          • Configure faascmd
          • Use faascmd
          • faascmd FAQ
      • Shrink disk
      • Process ECS status change events
      • DevOps tutorials
        • DevOps for small and medium web apps
          • General introduction
          • Install and configure GitLab
          • Continuous integration
          • Code quality
          • Continuous delivery
        • Speeding up CI and CD pipeline
        • Getting started with DevOps with Kubernetes
        • Getting started with Rancher
        • HTTPS configuration
        • Log management
      • Disaster recovery solutions
      • Deploy a highly available architecture
        • Deploy a highly available architecture
        • Replicate ECS instances
        • Configure an SLB instance
        • Migrate user-created databases to RDS instances
      • Resize partitions and file systems of Linux system disks
      • Resize partitions and file systems of Linux data disks
    • Tutorials
      • Quick start
      • Summary of website building methods
      • Build a software development environment
        • Deploy the Node.js environment
          • Deploy the Node.js environment
        • Deploy Windows by replacing the image
        • Build a LAMP environment
        • Configure Java Web
          • Overview of deployment methods
          • Manually deploy a Java web environment
          • Use Cloud Toolkit to deploy a Java web environment
        • Deploy LNMP
          • Use ROS to deploy an LNMP environment
          • Manually build an LNMP environment in CentOS 7
          • Manually build an LNMP environment in CentOS 6
      • Build a website
        • Build a WordPress blog platform
          • Create a WordPress environment by using ROS
          • Build a WordPress website on a Windows ECS instance
          • Build a WordPress website on a CentOS 7 ECS instance
        • Build a Drupal website
          • Build a Drupal website based on an Alibaba Cloud Marketplace image
          • Manually build a Drupal website
        • Build multiple Web sites
          • Build multiple websites in CentOS 7
        • Build a Magento e-commerce website on ECS
        • Build the Ghost blogging platform
      • Build an application
        • Build an FTP site on an ECS instance
          • Build an FTP site on a Linux instance
          • Build an FTP site on a Windows instance
        • Install and use GitLab
        • Build Microsoft SharePoint 2016 on an ECS instance
        • Install SharePoint 2016
        • Deploy and use Docker
        • Deploy databases based on ECS
          • Database overview
          • Manually deploy a MySQL database on an ECS instance running CentOS 7
          • Manually deploy a MySQL database on Windows
          • Manage user-created databases on ECS instances
        • Build a primary/secondary PostgreSQL system
        • Deploy RabbitMQ
        • Deploy and use SVN
          • Overview
          • Deploy SVN by using svnserve
          • Deploy SVN over HTTP
          • Use SVN
      • Use the Vim editor
    • API Reference
      • API Introduction
      • List of API operations by function
      • Quick start
      • Getting started
        • How to make a request
        • Request structure
        • Common parameters
        • Digital signature
        • Response results
      • Authentication rules
      • Instances
        • RunInstances
        • CreateInstance
        • DescribeInstances
        • DeleteInstances
        • StartInstance
        • RebootInstance
        • StopInstance
        • StartInstances
        • RebootInstances
        • StopInstances
        • DeleteInstance
        • AttachInstanceRamRole
        • DetachInstanceRamRole
        • DescribeInstanceStatus
        • RenewInstance
        • ReactivateInstances
        • DescribeInstanceVncUrl
        • DescribeUserData
        • DescribeInstanceAutoRenewAttribute
        • DescribeInstanceRamRole
        • DescribeSpotPriceHistory
        • DescribeInstanceTypeFamilies
        • DescribeInstanceTypes
        • ModifyInstanceAttribute
        • ModifyInstanceVncPasswd
        • ModifyInstanceAutoReleaseTime
        • ModifyInstanceAutoRenewAttribute
        • ModifyInstanceChargeType
        • ModifyInstanceSpec
        • ModifyPrepayInstanceSpec
        • ModifyInstanceMetadataOptions
      • Dedicated hosts
        • AllocateDedicatedHosts
        • DescribeDedicatedHostTypes
        • DescribeDedicatedHosts
        • DescribeDedicatedHostAutoRenew
        • ModifyDedicatedHostAttribute
        • ModifyDedicatedHostAutoRenewAttribute
        • ModifyDedicatedHostAutoReleaseTime
        • RenewDedicatedHosts
        • ModifyDedicatedHostsChargeType
        • ReleaseDedicatedHost
        • RedeployDedicatedHost
        • ModifyInstanceDeployment
      • Launch templates
        • DeleteLaunchTemplateVersion
        • ModifyLaunchTemplateDefaultVersion
        • CreateLaunchTemplate
        • DescribeLaunchTemplateVersions
        • DescribeLaunchTemplates
        • DeleteLaunchTemplate
        • CreateLaunchTemplateVersion
      • Auto provisioning group
        • DescribeAutoProvisioningGroups
        • CreateAutoProvisioningGroup
        • DescribeAutoProvisioningGroupHistory
        • DeleteAutoProvisioningGroup
        • ModifyAutoProvisioningGroup
        • DescribeAutoProvisioningGroupInstances
      • Disk
        • CreateDisk
        • DeleteDisk
        • DescribeDisks
        • AttachDisk
        • DetachDisk
        • ModifyDiskChargeType
        • ModifyDiskAttribute
        • ReplaceSystemDisk
        • ReInitDisk
        • ResetDisk
        • ResizeDisk
        • ModifyDiskSpec
      • Reserved Instances
        • PurchaseReservedInstancesOffering
        • DescribeReservedInstances
        • ModifyReservedInstances
      • Images
        • CreateImage
        • ImportImage
        • CopyImage
        • CancelCopyImage
        • ExportImage
        • DescribeImages
        • DeleteImage
        • DescribeImageSharePermission
        • ModifyImageAttribute
        • ModifyImageSharePermission
        • DescribeImageSupportInstanceTypes
      • Snapshots
        • CreateSnapshot
        • DeleteSnapshot
        • CopySnapshot
        • DescribeSnapshots
        • DescribeSnapshotsUsage
        • DescribeSnapshotPackage
        • DescribeSnapshotLinks
        • ModifySnapshotAttribute
        • CreateAutoSnapshotPolicy
        • ApplyAutoSnapshotPolicy
        • CancelAutoSnapshotPolicy
        • DeleteAutoSnapshotPolicy
        • DescribeAutoSnapshotPolicyEX
        • ModifyAutoSnapshotPolicyEx
      • Security groups
        • CreateSecurityGroup
        • AuthorizeSecurityGroup
        • AuthorizeSecurityGroupEgress
        • RevokeSecurityGroup
        • RevokeSecurityGroupEgress
        • JoinSecurityGroup
        • LeaveSecurityGroup
        • DeleteSecurityGroup
        • DescribeSecurityGroupAttribute
        • DescribeSecurityGroups
        • DescribeSecurityGroupReferences
        • ModifySecurityGroupAttribute
        • ModifySecurityGroupEgressRule
        • ModifySecurityGroupPolicy
        • ModifySecurityGroupRule
      • Deployment sets
        • CreateDeploymentSet
        • ModifyDeploymentSetAttribute
        • DeleteDeploymentSet
        • DescribeDeploymentSets
      • SSH key pairs
        • CreateKeyPair
        • ImportKeyPair
        • AttachKeyPair
        • DetachKeyPair
        • DeleteKeyPairs
        • DescribeKeyPairs
      • Networks
        • AllocatePublicIpAddress
        • ConvertNatPublicIpToEip
        • AttachClassicLinkVpc
        • DetachClassicLinkVpc
        • DescribeBandwidthLimitation
        • DescribeClassicLinkInstances
        • ModifyInstanceNetworkSpec
        • ModifyInstanceVpcAttribute
      • Elastic network interfaces
        • CreateNetworkInterface
        • AttachNetworkInterface
        • AssignPrivateIpAddresses
        • UnassignPrivateIpAddresses
        • DetachNetworkInterface
        • DeleteNetworkInterface
        • DescribeNetworkInterfaces
        • ModifyNetworkInterfaceAttribute
      • System event
        • DescribeInstancesFullStatus
        • DescribeInstanceHistoryEvents
        • DescribeDisksFullStatus
        • CancelSimulatedSystemEvents
        • CreateSimulatedSystemEvents
        • AcceptInquiredSystemEvent
      • Operations and monitoring
        • DescribeSnapshotMonitorData
        • RedeployInstance
        • DescribeEniMonitorData
        • DescribeDiskMonitorData
        • DescribeInstanceMonitorData
        • GetInstanceScreenshot
        • GetInstanceConsoleOutput
        • DescribeInstanceMaintenanceAttributes
        • ModifyInstanceMaintenanceAttributes
      • Cloud assistant
        • RunCommand
        • CreateCommand
        • InstallCloudAssistant
        • InvokeCommand
        • StopInvocation
        • DeleteCommand
        • DescribeCloudAssistantStatus
        • DescribeCommands
        • DescribeInvocations
        • DescribeInvocationResults
      • HPC clusters
        • DescribeHpcClusters
        • DeleteHpcCluster
        • ModifyHpcClusterAttribute
        • CreateHpcCluster
      • Tags
        • TagResources
        • ListTagResources
        • UntagResources
      • Regions
        • DescribeRegions
        • DescribeZones
        • DescribeResourcesModification
        • DescribeAvailableResource
      • Others
        • CancelTask
        • DescribeTasks
        • DescribeTaskAttribute
        • DescribeDemands
        • DescribeAccountAttributes
        • DescribePrice
        • JoinResourceGroup
      • Appendix
        • Error code table
        • Instance states
        • Instance status chart
        • Basic cloud disk status table
        • Basic cloud disk status chart
        • ISO 8601 Time Format
        • Disk category
        • API behavior for accounts with overdue payment
        • API behavior when an instance is locked for security reasons
        • How to ensure idempotence
        • Call API actions from within an intranet environment
        • Why only ten entries are returned for query request by using APIs or SDK
        • API usage Specification
      • API FAQ
    • SDK Reference
      • SDK overview
      • Java example
        • Install ECS SDK for Java
        • General process
        • Query available instance resources
        • Create an ECS instance
          • Batch create ECS instances
          • Create a preemptible instance
        • Query an ECS instance
        • Change the instance type of an ECS instance
        • Release an ECS instance
      • Python example
        • Create multiple ECS instances at a time
        • Create an ECS instance
        • Query an ECS instance
        • Release an ECS instance
        • Renew an ECS instance
        • Query available resources for configuration changes
    • CLI Sample
      • Instances
        • Start an ECS instance
        • Restart an ECS instance
        • Modify instance information
        • Query the details of ECS instances
        • Query instance types
        • Stop an ECS instance
      • Security groups
        • Create a security group
        • Add an inbound rule to a security group
        • Add an ECS instance to a security group
        • Query basic information about security groups
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    Typical applications of security group rules

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    Typical applications of security group rules

    Edit in GitHub
    Last Updated: Jul 04, 2020 Edit in GitHub

    For information about the latest content, see Scenarios for security groups and Common ports used by applications.

    Next: Release notes

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