Product Announcements

CLB Release Notes

Release Notes and Announcements

Overview

Strengths

Use Cases

Principles

Instance Types Comparison

Instance Specifications Comparison

Product Comparison

Use Limits

Product Introduction

Billing Overview

Instance Pricing

Network Pricing

LCU Fees

Cross-region Binding Fee

Billing

CLB Resource Package Overview

Purchasing CLB Resource Packages

CLB Resource Package Refund Policy

CLB Resource Package Renewal

CLB Resource Package

Purchase Methods

Payment Overdue

Product Attribute Selection

Purchase Guide

Getting Started with Domain Name-Based CLB

Getting Started with CLB

Getting Started with IPv6 CLB

Deploying Nginx on CentOS

Deploying Java Web on CentOS

Getting Started

Directions for Upgrading to Domain Name-Based CLB

Creating CLB Instances

Creating an IPv6 CLB Instance

Creating IPv6 NAT64 CLB Instances

Configuring a CLB Forwarding Domain Name

Configuring CLB Security Group

Binding Private Network CLB to EIP

 Starting or Stopping a CLB Instance

Cloning CLB Instances

Exporting CLB Instances

Upgrade to a LCU-supported instances

Adjusting Specification of LCU-supported CLBs

Deleting CLB Instances

Releasing Idle CLB Instances

Configuring Deletion Protection

Adjusting Instance Public Network Configurations

CLB Instance

CLB Listener Overview

Configuring a TCP Listener

Configuring a UDP Listener

Configuring  a TCP SSL Listener

Configuring a QUIC Listener

Configuring an HTTP Listener

Configuring an HTTPS Listener

Load Balancing Methods

Session Persistence

Layer-7 Redirection Configuration

Layer-7 Custom Configuration

Layer-7 Domain Name Forwarding and URL Rules

Using QUIC Protocol on CLB

SNI Support for Binding Multiple Certificates to a CLB Instance

Configuring gRPC Support for Layer-7 Protocols

CLB Listener

Real Server Overview

Managing Real Servers

Binding an ENI

Binding with SCF

Cross-Region Binding 2.0 (New)

Hybrid Cloud Deployment

Configuring CVM Security Groups

Real Server

Health Check Overview

Configuring Health Check

Setting 100.64.0.0/10 IP ‍Range as the Health Check IP

Verifying Health Check Source IPs

Health Check

Managing Certificates

Certificate Requirements and Certificate Format Conversion

SSL One-Way Authentication and Mutual Authentication

 Certificate Management

Access Log Overview

Viewing Operation Logs

Configuring Access Logs

Sampling Logs

Configuring Health Check Logs

Accessing Log Dashboard

Log Management

Obtaining Monitoring Data

Monitoring Metrics

Configuring Alarm Policy

Alarming Metric Descriptions

Monitoring and Alarm

Authorization Definition

Policy Examples

Cloud Access Management

Classic CLB Overview

Configuring Classic CLB

Managing Real Servers of Classic CLB Instances

Classic CLB

Operation Guide

Deploy certificate to CLB (mutual authentication)

Enabling Gzip Compression & Testing

HTTPS Forwarding Configurations

Real Servers Obtaining the Real Client IP Address Through CLB

Obtaining Real Client IPs in IPv4 CLB Scenarios

Obtaining Real Client IPs via TOA in Hybrid Cloud Deployment

Obtaining Real Client IPs

Best Practices for Configuring Load Balancing Monitoring Alerts

Implementing HA Across Multiple AZs

Load Balancing Algorithm Selection and Weight Configuration Examples

Configuring WAF protection for CLB listening domain names

Configure IAP to authenticate web access to the CLB domain and path

Configure IAP to authenticate programmatic access to CLB's domain and path

Practical Tutorial

Solution to Excessive Clients in TIME_WAIT Status

Load Balancer HTTPS Service Performance Test

Stress Testing FAQ

CLB Certificate Operation Permissions

Ops Guide

UDP Health Check Exception

Troubleshooting

History

Introduction

API Category

DescribeLoadBalancers

CloneLoadBalancer

CreateLoadBalancer

ModifyLoadBalancerAttributes

DescribeLoadBalancersDetail

DeleteLoadBalancer

Instance APIs

CreateListener

CreateRule

DescribeListeners

ModifyListener

ModifyRule

ModifyDomain

ModifyDomainAttributes

DeleteListener

DeleteLoadBalancerListeners

DeleteRule

Listener APIs

RegisterTargets

BatchRegisterTargets

ModifyTargetPort

ModifyTargetWeight

BatchModifyTargetTag

BatchModifyTargetWeight

DeregisterTargets

BatchDeregisterTargets

DescribeTargetHealth

DeregisterFunctionTargets

DescribeCrossTargets

ModifyFunctionTargets

RegisterFunctionTargets

DescribeTargets

Backend Service APIs

CreateTargetGroup

DeleteTargetGroups

DescribeTargetGroups

DescribeTargetGroupList

ModifyTargetGroupAttribute

AssociateTargetGroups

DisassociateTargetGroups

RegisterTargetGroupInstances

DeregisterTargetGroupInstances

DescribeTargetGroupInstances

ModifyTargetGroupInstancesPort

ModifyTargetGroupInstancesWeight

Target Group APIs

ManualRewrite

AutoRewrite

DeleteRewrite

DescribeRewrite

Redirection APIs

DescribeClsLogSet

CreateLoadBalancerSnatIps

DeleteLoadBalancerSnatIps

DescribeLoadBalancerListByCertId

DescribeQuota

ModifyLoadBalancersProject

ReplaceCertForLoadBalancers

SetLoadBalancerClsLog

SetLoadBalancerSecurityGroups

SetLoadBalancerStartStatus

SetSecurityGroupForLoadbalancers

CreateClsLogSet

CreateTopic

DescribeLoadBalancerTraffic

DescribeResources

DescribeTaskStatus

InquiryPriceCreateLoadBalancer

InquiryPriceModifyLoadBalancer

InquiryPriceRenewLoadBalancer

Other APIs

DescribeClassicalLBListeners

DescribeClassicalLBTargets

DescribeClassicalLBHealthStatus

Classic CLB APIs

API Documentation

Cloud Load Balancer

Announcement Title	Announcement Release Date
[CLB] April 28, 2026 Announcement for End of Sale for Shared CLB Instances	2026-02-11
[CLB] Announcement for Adjusting the Monitoring and Billing Metrics of Layer-7 Listeners for CLB Instances	2026-02-11
[January 01, 2025] Announcement for Launch of CLB Resource Packages	2024-12-30
[April 15, 2024] Domain Name Upgrade for Domain Name-based Public Network CLB	2024-04-02
[July 25, 2023] Adding Rate Limits on Shared CLB Instances	2023-07-24
[July 3, 2023] CLB API Authentication Upgrade	2023-06-29
[June 9, 2023] Adjusting the Grace Period for Pay-as-you-go CLB Instances	2023-05-30
[March 6, 2023] Launching Domain Name-Based Public CLBs	2023-03-06
[Feb. 24, 2023] Changing Health Check Source IP to 100.64.0.0/10 IP Range	2023-02-24

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