:original_name: vpc_faq_0103.html
.. _vpc_faq_0103:
Change History
==============
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| Release Date | What's New |
+===================================+==================================================================================================================================================================================================================================================================================================================================================+
| 2022-06-25 | Added the following content: |
| | |
| | - Modified constraints on EIPs dedicated for dedicated load balancers in :ref:`Assigning an EIP and Binding It to an ECS ` (:ref:`Assigning an EIP and Binding It to an ECS `). |
| | - Modified constraints on EIP binding to load balancers in :ref:`Unbinding an EIP from an ECS and Releasing the EIP ` (:ref:`Unbinding an EIP from an ECS and Releasing the EIP `). |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2022-02-15 | Added the following content: |
| | |
| | - Added constraints on EIPs dedicated for dedicated load balancers in :ref:`Assigning an EIP and Binding It to an ECS ` (:ref:`Assigning an EIP and Binding It to an ECS `). |
| | - Added description about the default reverse domain name of an EIP in \ :ref:`Step 3: Assign an EIP and Bind It to an ECS ` and :ref:`Assigning an EIP and Binding It to an ECS `. |
| | - Added constraints on EIPs dedicated for dedicated load balancers in :ref:`Assigning an EIP and Binding It to an ECS ` (:ref:`Assigning an EIP and Binding It to an ECS `) and :ref:`Adding EIPs to a Shared Bandwidth ` (:ref:`Adding EIPs to a Shared Bandwidth `). |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2021-12-15 | Modified the following content: |
| | |
| | - Added description about how to switch between the old and new console editions in :ref:`Document Usage Instructions `. |
| | - Added :ref:`Operation Guide (New Console Edition) ` and :ref:`Operation Guide (Old Console Edition) `. |
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| 2021-08-25 | Modified the following content: |
| | |
| | Deleted the content related to the IP address group. |
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| 2021-06-18 | Modified the following content: |
| | |
| | - Updated screenshots and deleted the **Bandwidth Type** parameter in :ref:`Step 3: Assign an EIP and Bind It to an ECS ` and :ref:`Assigning an EIP and Binding It to an ECS ` (:ref:`Assigning an EIP and Binding It to an ECS `). |
| | - Updated screenshots in :ref:`Assigning a Shared Bandwidth ` (:ref:`Assigning a Shared Bandwidth `) and :ref:`Modifying a Shared Bandwidth ` (:ref:`Modifying a Shared Bandwidth `). |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2020-02-25 | Added the following content: |
| | |
| | - Added section :ref:`Shared Bandwidth `. |
| | |
| | Modified the following content: |
| | |
| | - Modified the steps in section :ref:`EIP `. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2020-02-12 | Added the following content: |
| | |
| | Added description that VPC flow logs support S2 ECSs in section :ref:`VPC Flow Log `. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2020-01-08 | Added the following content: |
| | |
| | - Added function and namespace description and optimized information in tables in :ref:`Supported Metrics `. |
| | - Added section :ref:`Region and AZ `. |
| | - Added the example of allowing external access to a specified port in the section :ref:`Security Group Configuration Examples `. |
| | |
| | Modified the following content: |
| | |
| | - Added **Subnet** and **VPC** as the type of resources whose traffic is to be logged in :ref:`VPC Flow Log `. |
| | |
| | - Updated screenshots in :ref:`Adding a Security Group Rule ` and :ref:`Fast-Adding Security Group Rules `. |
| | - Optimized figure examples in this document. |
| | - Optimized descriptions in section :ref:`Firewall Configuration Examples `. |
| | - Optimized descriptions in section :ref:`Default Firewall Rules `. |
| | - Changed the position of section :ref:`Security `. |
| | - Optimized :ref:`What Is a Quota? `. |
| | |
| | Deleted the following content: |
| | |
| | - Deleted section "Deleting a VPN". |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-09-10 | Added the following content: |
| | |
| | - Added section :ref:`VPC Flow Log `. |
| | |
| | Deleted the following content: |
| | |
| | - Deleted the concepts of VPN, IPsec VPN, remote gateway, remote subnet, region, and project in section :ref:`Basic Concepts `. |
| | - Deleted the FAQs related to VPN in section :ref:`FAQs `. |
| | |
| | - Deleted the content related to "Configuring a VPC for ECSs That Access the Internet Through a VPN" in section :ref:`Getting Started `. |
| | |
| | Modified the following content: |
| | |
| | - Optimized section :ref:`Service Overview ` and added the product advantage description to section :ref:`What Is Virtual Private Cloud? `. |
| | - Added section :ref:`Security Group Configuration Examples `. The security group configuration examples are integrated into one section and the original independent sections are deleted. |
| | - Modified the description about how to switch to the **EIPs** page in section :ref:`EIP `. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-02-23 | Added the following content: |
| | |
| | - Added the description about batch subnet creation in section :ref:`VPC and Subnet `. |
| | - Added precautions about disabling a firewall in section :ref:`Enabling or Disabling a Firewall `. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-02-22 | Added the following content: |
| | |
| | - Added the **Assign EIP** screenshot in section :ref:`Assigning an EIP and Binding It to an ECS `. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-02-15 | Added the following content: |
| | |
| | - Added the Anti-DDoS service restriction in section :ref:`How Does an IPv6 Client on the Internet Access the ECS That Has an EIP Bound in a VPC? `. |
| | - Added section :ref:`Modifying a Security Group `. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-02-11 | Deleted the following content: |
| | |
| | - Deleted the console screenshot from section :ref:`Assigning an EIP and Binding It to an ECS `. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-01-31 | Accepted in OTC-4.0. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2019-01-30 | Modified the following content: |
| | |
| | - Modified the table listing the parameters for creating a VPC in section :ref:`VPC and Subnet `. |
| | - Modified the table listing the parameters for modifying a security group rule in :ref:`Adding a Security Group Rule `. |
| | - Added the link to the default security group rule introduction in section :ref:`Adding a Security Group Rule `. |
| | - Modified the format of the exported file to Excel in sections :ref:`Exporting VPC List ` and :ref:`Importing and Exporting Security Group Rules `. |
| | - Changed the number of characters allowed for the **Description** field to **255** in section :ref:`Creating a Firewall `. |
| | - Modified the steps in section :ref:`Managing EIP Tags `. |
| | - Added the **Monitoring Period** column to the table listing metrics in section :ref:`Supported Metrics `. |
| | - Changed the maximum bandwidth size allowed to 1000 Mbit/s in section :ref:`What Is the Bandwidth Size Range? `. |
| | - Modified the table listing subnet parameters in section :ref:`Modifying a Subnet `. |
| | - Updated the security group description in section :ref:`Security Group `. |
| | - Updated the VPC peering connection description in section :ref:`VPC Peering Connection `. |
| | - Updated the firewall description in section :ref:`Firewall `. |
| | - Updated the console screenshots in section :ref:`Adding a Firewall Rule `. |
| | - Updated the console screenshots in section :ref:`Modifying a Firewall Rule `. |
| | |
| | Added the following content: |
| | |
| | - Added section :ref:`Security Group Configuration Examples `. |
| | - Added section :ref:`Route Table Overview `. |
| | - Added section :ref:`Modifying an EIP Bandwidth `. |
| | - Added description about disassociating and releasing multiple EIPs at a time in section :ref:`Unbinding an EIP from an ECS and Releasing the EIP `. |
| | |
| | Deleted the following content: |
| | |
| | - Deleted description about the transitive peering relationships from section :ref:`Are There Any Constraints on Using VPC Peering Connections? `. |
| | - Deleted section **Viewing Routes Configured for a VPC Peering Connection in the VPC Peering Route Table**. |
| | - Deleted section **Deleting a Route from the VPC Peering Route Table**. |
| | - Deleted description about the **Reject** action from section :ref:`Adding a Firewall Rule `. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-12-30 | Modified the following content: |
| | |
| | - Modified the description about how to switch to the security group and firewall pages based on the changes made on the management console. |
| | |
| | Added the following content: |
| | |
| | - Added section **Firewall** **Overview**. |
| | - Added section **Firewall** **Configuration Examples**. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-11-30 | Added the following content: |
| | |
| | - Added parameter **NTP Server Address** to the description about how to create a subnet. |
| | |
| | Modified the following content: |
| | |
| | - Updated the document based on changes made to the firewall console pages. |
| | |
| | - Added description about how to delete multiple firewall rules at a time and how to disassociate multiple subnets from a firewall at a time. |
| | - Changed parameter **Any** to **All**. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-09-18 | Accepted in OTC-3.2/AGile-09.2018. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-09-06 | Modified the following content: |
| | |
| | - Modified the content and changed some screenshots in the document based on the latest management console. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-08-30 | This release incorporates the following change: |
| | |
| | - Added section **Adding Instances to and Removing Them from a Security Group**. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-07-30 | This release incorporates the following changes: |
| | |
| | - Optimized the sections related to security groups: |
| | |
| | - Added section **Replicating a Security Group Rule**. |
| | - Added section **Modifying a Security Group Rule**. |
| | - Modified section **Deleting a Security Group Rule** and added description about how to delete multiple security group rules at a time. |
| | - Added section **Importing and Exporting Security Group Rules**. |
| | |
| | - Modified the VPN sections. The details are as follows: |
| | |
| | - Modified the step for switching to the VPN console. |
| | - Deleted sections related to VPNs. An independent VPN user guide will be provided. |
| | - Deleted section **VPN Best Practice**. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-06-30 | This release incorporates the following changes: |
| | |
| | - Optimized sections under **Product Introduction**. |
| | - Optimized sections under **Security Group**. |
| | |
| | - Optimized section **Security Group Overview**. |
| | |
| | - Optimized section **Default Security Groups and Security Group Rules**. |
| | - Optimized section **Creating a Security Group**. |
| | - Optimized section **Adding a Security Group Rule**. |
| | - Optimized section **Fast-Adding Security Group Rules**. |
| | - Added security group configuration examples. |
| | - Added section **Viewing the Security Group of an ECS**. |
| | - Added section **Changing the Security Group of an ECS**. |
| | |
| | - Categorized FAQs. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-06-11 | This release incorporates the following changes: |
| | |
| | - Added section **Monitoring**. |
| | - Modified tag description. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-05-23 | Accepted in OTC 3.1. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-04-28 | This release incorporates the following changes: |
| | |
| | - Added description about VPN tagging. |
| | - Added the IPv6 address description. |
| | - Added section **Exporting VPC Information**. |
| | - Modified the bandwidth range. |
| | - Modified the VPN modification snapshot. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-03-30 | This release incorporates the following change: |
| | |
| | Deleted the IPv6 address description. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-02-28 | This release incorporates the following change: |
| | |
| | Added the description that the security group description can contain a maximum of 128 characters. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2018-01-30 | This release incorporates the following changes: |
| | |
| | - Added description about the function of unbinding and releasing EIPs in batches. |
| | - Added description about the function that the negotiation mode of the IKE policy in the VPN can be configured. |
| | - Added the description that the security group description can contain a maximum of 64 characters. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-11-30 | This release incorporates the following changes: |
| | |
| | - Updated screenshots and steps based on the latest management console pages. |
| | - Added description to indicate that subnets can be created without specifying the AZ. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-10-30 | This release incorporates the following changes: |
| | |
| | - Added description about the fast security group rule adding function. |
| | - Added ECS security group configuration examples. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-09-30 | This release incorporates the following changes: |
| | |
| | - Added description to indicate that the peer project ID needs to be configured when a tenant creates a VPC peering connection with the VPC of another tenant. |
| | - Modified description in sections **Adding a Security Group Rule** and **Deleting a Security Group Rule** based on changes made to the network console. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-08-30 | This release incorporates the following changes: |
| | |
| | - Added section **Managing Subnet Tags**. |
| | - Added description about the VPC, subnet, and EIP tags. |
| | - Added section **Security Group Overview**. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-07-30 | This release incorporates the following changes: |
| | |
| | - Added description about how to enable shared SNAT on the management console. |
| | - Added section **Managing VPC Tags**. |
| | - Added section **Managing EIP Tags**. |
| | - Changed the number of routes allowed in a route table by default to **100**. |
| | - Updated procedures in sections **VPC and Subnet** and **Custom Route** based on changes made to the network console. |
| | - Added description about the multi-project feature. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-06-30 | This release incorporates the following change: |
| | |
| | - Added description about the virtual IP address feature. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-05-30 | This release incorporates the following change: |
| | |
| | - Added FAQ **How Does an IPv6 Client on the Internet Access the ECS That Has an EIP Bound in a VPC**. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-04-28 | This release incorporates the following change: |
| | |
| | - Added description about how to add DNS server addresses during subnet information modification. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-03-30 | This release incorporates the following changes: |
| | |
| | - Added description about the firewall function. |
| | - Added description about the shared SNAT function. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-02-28 | This release incorporates the following change: |
| | |
| | - Deleted description about the button for disabling the DHCP function. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-02-24 | This release incorporates the following change: |
| | |
| | - Added description about the VPC peering function. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2017-01-12 | This release incorporates the following change: |
| | |
| | - Added description about the custom route table function. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2016-10-19 | This release incorporates the following change: |
| | |
| | - Updated the Help Center URL of the VPN service. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2016-07-15 | This release incorporates the following changes: |
| | |
| | - Modified the VPN authentication algorithm. |
| | - Optimized the traffic metering function. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| 2016-03-14 | This issue is the first official release. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+