Change History

2024-03-15

This issue is the forty-eighth official release, which incorporates the following changes:

• Added the descriptions about the VPC with subnets shared with other accounts from section VPC Sharing Overview to section Stopping Sharing a Subnet.
• Added the descriptions about tag policies in Creating a VPC and Creating a Subnet for the VPC.
• Added constraints on importing security group rules in Importing and Exporting Security Group Rules.

2023-12-05

This issue is the forty-seventh official release, which incorporates the following changes:

• Added description of associating or disassociating subnets on the subnet list page in Associating Subnets with a Network ACL and Disassociating Subnets from a Network ACL.
• Added description about IP addresses in Creating an IP Address Group and Adding IP Addresses to an IP Address Group.
• Added description about IP address group operations in Exporting IP Address Group Details, Modifying IP Addresses in an IP Address Group, and Importing IP Addresses to an IP Address Group in Batches.
• Added supported secondary CIDR blocks in Adding a Secondary IPv4 CIDR Block to a VPC.

2023-11-02

This issue is the forty-sixth official release, which incorporates the following changes:

Added the traffic mirroring function in Traffic Mirroring Overview to Deleting a Mirror Session.

2023-10-09

This issue is the forty-fifth official release, which incorporates the following changes:

• Added description about associated resource deletion in Deleting an IP Address Group.
• Added description about deleting network interfaces in Deleting a Network Interface and Deleting a Supplementary Network Interface.
• Added description about Allow Common Ports in Allowing Common Ports with A Few Clicks.
• Modified description about adding routes for a VPC peering connection in Creating a VPC Peering Connection with Another VPC in Your Account, Creating a VPC Peering Connection with a VPC in Another Account, Modifying Routes Configured for a VPC Peering Connection, Viewing Routes Configured for a VPC Peering Connection, and Deleting Routes Configured for a VPC Peering Connection.
• Added description about security group rules and rule configuration examples in Security Groups and Security Group Rules and Security Group Configuration Examples.

2023-08-07

This issue is the forty-fourth official release, which incorporates the following changes:

• Added content about elastic network interfaces in Elastic Network Interface.
• Added content about supplementary network interfaces in Supplementary Network Interfaces.

2023-07-07

This issue is the forty-third official release, which incorporates the following changes:

• Added description that multiple IP addresses can be configured for Source and Destination in Adding a Security Group Rule and Fast-Adding Security Group Rules.
• Added description about security group templates for creating security groups quickly in Creating a Security Group.

2023-06-08

This issue is the forty-second official release, which incorporates the following change:

• Added description about security group rule examples in Security Groups and Security Group Rules.
• Added description about security group rule templates in Creating a Security Group.
• Modified description about source and destination in Adding a Security Group Rule, Fast-Adding Security Group Rules, and Importing and Exporting Security Group Rules.
• Added support for enterprise projects in Creating a Network ACL.
• Updated screenshots and parameters in Creating a VPC Peering Connection with Another VPC in Your Account and Creating a VPC Peering Connection with a VPC in Another Account.
• Added IP address group functions to IP Address Group Overview and Deleting an IP Address Group.
• Added parameter Domain Name in Creating a VPC, Creating a Subnet for the VPC, and Modifying a Subnet.

2023-02-25

2022-12-23

This issue is the fortieth official release, which incorporates the following changes:

• Added Viewing and Deleting Resources in a Subnet.
• Added Viewing IP Addresses in a Subnet.
• Modified Deleting a VPC and Deleting a Subnet.
• Updated the document based on the navigation pane changes of subnets, route tables, VPC peering connections, and elastic network interfaces.

2022-11-15

This issue is the thirty-ninth official release, which incorporates the following changes:

• Added the link to the price calculator in Shared Data Package Overview.
• Added Unbinding a Virtual IP Address from an Instance and Unbinding a Virtual IP Address from an EIP.
• Added notes and constraints in Releasing a Virtual IP Address.
• Added description that security groups are free of charge in Deleting a Security Group.

2022-11-01

This issue is the thirty-eighth official release, which incorporates the following change:

• Changed the number of instances that can be associated with a security group in Security Groups and Security Group Rules.

2022-07-26

This issue is the thirty-seventh official release, which incorporates the following changes:

Added descriptions that EIPs cannot be used across regions in the following section:

EIP Overview

2022-07-14

This issue is the thirty-sixth official release, which incorporates the following changes:

• Optimized description about premium BGP in Assigning an EIP and Binding It to an ECS.
• Put VPC flow logs into commercial use.

2022-06-15

This issue is the thirty-fifth official release, which incorporates the following changes:

Deleted the content about L2CGs. For the latest document about L2CGs, see Enterprise Switch User Guide.

2022-05-15

This issue is the thirty-fourth official release, which incorporates the following changes:

• Added description about different types of routes that can be added to default and custom route tables in Route Tables and Routes.
• Added notes and constraints about whether different types of routes can be replicated in Replicating a Route.

2021-12-30

This issue is the thirty-third official release, which incorporates the following changes:

• Added application scenarios of IPv6 networks in IPv4 and IPv6 Dual-Stack Network.
• Added Viewing a VPC Topology.

2021-10-30

This issue is the thirty-second official release, which incorporates the following change:

Added section "Permissions Management".

2021-05-20

This issue is the thirty-first official release, which incorporates the following changes:

Added FAQ "Why Am I Stilled Be Billed After All VPCs Are Deleted?"

2021-03-24

This issue is the thirtieth official release, which incorporates the following changes:

• Added "Network Service Overview" in section "Service Overview".
• Added FAQ "Why Cannot I Access Websites Using IPv6 Addresses After IPv4/IPv6 Dual Stack Is Configured?"

2021-03-01

This issue is the twenty-ninth official release, which incorporates the following changes:

Added sections "Adding a Secondary CIDR Block to a VPC" and "Removing a Secondary CIDR Block from a VPC".

2020-12-17

This issue is the twenty-eighth official release, which incorporates the following changes:

• Added restrictions in section "Notes and Constraints".
• Added a figure to illustrate the VPC peering connection.

2020-11-03

This issue is the twenty-seventh official release, which incorporates the following changes:

• Adjusted sections under VPC and Subnet.
• Added "Denying Access from a Specific IP Address" to section "Network ACL".
• Deleted FAQ "Will the EIP Bound to an ECS Be Changed After the ECS Is Stopped and Then Started?"

2020-10-23

This issue is the twenty-sixth official release, which incorporates the following change:

Optimized sections under "Security Group".

2020-09-18

This issue is the twenty-fifth official release, which incorporates the following changes:

• Modified the steps in section "Changing the Security Group of an ECS".
• Added the L2CG function.

2020-09-07

This issue is the twenty-fourth official release, which incorporates the following changes:

• Added FAQ "What Should I Do If My Security Group Rules Do Not Take Effect?"
• Deleted FAQ "How Do I Handle the VPC Peering Connection Failure?"
• Modified FAQ "Why Did Communication Fail Between VPCs That Were Connected by a VPC Peering Connection?"
• Modified FAQ "Why Can't the Virtual IP Address Be Pinged After It Is Bound to an ECS NIC?"

2019-07-23

This issue is the twenty-third official release, which incorporates the following change:

Added parameter IP address group to security group sections and added section "IP Address Group".

2020-06-09

This issue is the twenty-second official release, which incorporates the following changes:

• Added FAQ "Why Can't I Ping an ECS with Two NICs Configured?"
• Added IPv4/IPv6 dual stack function.

2020-05-20

This issue is the twenty-first official release, which incorporates the following changes:

• Added FAQ "Why Does My Server Can Be Accessed from the Internet But Cannot Access the Internet?"
• Added section "Cloning a Security Group".
• Modified FAQ "How Can I Delete a Subnet That Is Being Used by Other Resources?"

2020-04-15

This issue is the twentieth official release, which incorporates the following changes:

• Added FAQ "Can an EIP Be Bound to a Cloud Resource in Another Region?"
• Added FAQ "How Do I Query the Region of My EIPs?"
• Added FAQ "Can I Transfer an EIP to Another Account?"
• Added FAQ "Can I Assign a Specific EIP?"
• Added FAQ "Will an EIP Be Changed After I Assign It?"
• Added FAQ "How Do I Change an EIP for an Instance?"
• Added FAQ "How Do I Switch to a Private DNS Server?"

2020-03-30

This issue is the nineteenth official release, which incorporates the following changes:

• Added basic information to sections "Security Group Overview" and "Network ACL Overview".
• Added FAQ "Does a Security Group Rule or a Network ACL Rule Immediately Take Effect for Its Original Traffic After It Is Modified?"
• Added section "Billing".
• Added category "Billing and Payments" to FAQs.

2020-03-20

This issue is the eighteenth official release, which incorporates the following change:

Deleted FAQ "Which Security Group Rule Has Priority When Multiple Security Group Rules Conflict?"

2020-02-18

This issue is the seventeenth official release, which incorporates the following changes:

• Added FAQ "How Is an EIP Charged?"
• Optimized FAQ "Can I Bind One EIP to Multiple ECSs?"

2019-12-23

This issue is the sixteenth official release, which incorporates the following changes:

Updated the document based on the navigation path and function changes of Subnets and Route Tables.

2019-12-03

This issue is the fifteenth official release, which incorporates the following change:

Optimized description and figures in section "Service Overview".

2019-11-20

This issue is the fourteenth official release, which incorporates the following changes:

• Added FAQ "What Is the EIP Assignment Policy?"
• Added FAQ "What Are the Differences Between Static BGP and Dynamic BGP?"

2019-10-15

This issue is the thirteenth official release, which incorporates the following changes:

• Added section "VPC Flow Log (OBT)".
• Updated the screenshots of adding security group rules.
• Added FAQ "Why Is Access from a Specific IP Address Still Allowed After a Network ACL Rule That Denies the Access from the IP Address Has Been Added?"

2019-10-09

This issue is the twelfth official release, which incorporates the following changes:

• Added FAQ "Can I Bind an EIP to an ECS, to Another ECS?"
• Added FAQ "Will the EIP Bound to an ECS Be Changed After the ECS Is Stopped and Then Started?"

2019-09-26

This issue is the eleventh official release, which incorporates the following changes:

• Optimized the sections in "VPC Peering Connection".
• Added section "Common Ports Used by ECSs".
• Added FAQ "Why Are Some Ports Inaccessible?"

2019-09-12

This issue is the tenth official release, which incorporates the following changes:

• Deleted section "Deleting a VPN".
• Added FAQ "What Is the Relationship Between Bandwidth and Upload or Download Rate?"
• Added content to FAQ "What Are the Restrictions on Deleting a Security Group?"

2019-08-15

This issue is the ninth official release, which incorporates the following changes:

• Added the example of allowing external access to a specified port in the section "Security Group Configuration Examples".
• Added billing information in section "Modifying EIP Bandwidth".
• Added FAQ "How Do I Change the Billing Mode?"
• Added FAQ "How Do I Change the Bandwidth Billing Option from Bandwidth to Traffic or from Traffic to Bandwidth?"
• Added FAQ "Can I Increase My Yearly/Monthly Bandwidth Size and Then Decrease It?"

2019-02-28

This issue is the eighth official release, which incorporates the following change:

• Added section Shared Data Package.

2018-12-30

This issue is the seventh official release, which incorporates the following changes:

• Modified the description about how to switch to the security group, network ACL, EIP, and shared bandwidth pages based on the changes made on the management console.
• Added section "Network ACL Overview".
• Added section "Network ACL Configuration Examples".

2018-11-30

This issue is the sixth official release, which incorporates the following changes:

• Updated the document based on changes made to the network ACL GUI.
  • Added description about how to delete multiple network ACL rules at a time and how to disassociate multiple subnets from a network ACL at a time.
  • Changed parameter Any to All.
• Modified FAQ "Why Does My ECS Fail to Obtain an IP Address?"

2018-09-30

This issue is the fifth official release, which incorporates the following changes:

• Added description about how to create multiple subnets at a time to section "Creating a VPC".
• Added description about how to add multiple network ACL rules at a time and parameter Description to section "Adding a Network ACL Rule".

2018-08-15

This issue is the fourth official release, which incorporates the following changes:

• Added sections under "Shared Bandwidth".
• Optimized sections under "Service Overview."
• Optimized sections under "Security Group".

2018-05-30

This issue is the third official release, which incorporates the following changes:

• Added section "Monitoring".
• Optimized the words on button labels to ensure consistency.

2018-04-28

This issue is the second official release, which incorporates the following changes:

• Added section Exporting VPC Information.
• Modified EIP description.

2017-12-31

This issue is the first official release.