This topic describes the release history of major SLB features and provides the links to the relevant documentation.

Feature Released date Region Protocol Documentation
ALB mutual authentication 2021-03-31 Singapore

Indonesia (Jakarta)

Germany (Frankfurt)

US (Virginia)

HTTPS listener Add an HTTPS listener

Manage certificates

ALB outbound forwarding rule 2021-03-31 Singapore

Indonesia (Jakarta)

Germany (Frankfurt)

US (Virginia)

HTTP listener

HTTPS listener

QUIC listener

Manage forwarding rules for listeners
Health check probes 2019-07-10 China (Hangzhou)

China (Shanghai)

China (Qingdao)

China (Beijing)

China (Zhangjiakou)

China (Hohhot)

China (Shenzhen)

China (Chengdu)

TCP listener

UDP listener

HTTP listener

HTTPS listener

Execute a health check script
An overview page in the SLB console 2019-07-10 China (Hangzhou)

China (Shanghai)

China (Qingdao)

China (Beijing)

China (Zhangjiakou)

China (Hohhot)

China (Shenzhen)

China (Chengdu)

TCP listener

UDP listener

HTTP listener

HTTPS listener

-
More supported regions for the same port of UDP and TCP listeners in an SLB instance 2019-06-24 UAE (Dubai)

Australia (Sydney)

UK (London)

Germany (Frankfurt)

US (Silicon Valley)

US (Virginia)

Indonesia (Jakarta)

Japan (Tokyo)

India (Mumbai)

Singapore (Singapore)

Malaysia (Kuala Lumpur)

China (Hong Kong)

China (Shenzhen)

China (Hohhot)

China (Qingdao)

China (Chengdu)

China (Zhangjiakou)

China (Shanghai)

TCP listener

UDP listener

Add a TCP listener

Add a UDP listener

Secondary IP addresses for ECS ENIs 2019-06-12 China (Hangzhou)

China (Shanghai)

China (Qingdao)

China (Beijing)

China (Zhangjiakou)

China (Hohhot)

China (Shenzhen)

China (Chengdu)

UDP listener

TCP listener

HTTP listener

HTTPS listener

Add private IP addresses of ENIs to backend servers
The same port of UDP and TCP listeners in an SLB instance 2019-05-26 UK (London)

Australia (Sydney)

UAE (Dubai)

Germany (Frankfurt)

US (Silicon Valley)

US (Virginia)

Indonesia (Jakarta)

Japan (Tokyo)

India (Mumbai)

Singapore (Singapore)

UDP listener

TCP listener

Add a TCP listener

Add a UDP listener

EC keys 2019-05-20 UK (London) HTTPS listener Certificate requirements
TLS 1.3 2019-05-20 UK (London) HTTPS listener Manage TLS security policies
The GET request method in health check of Layer-7 listeners 2019-05-05 India (Mumbai) HTTPS listener

HTTP listener

Add an HTTP listener

Add an HTTPS listener

Available resource query in zones by calling the API operation 2019-04-29 All regions HTTPS listener

HTTP listener

UDP listener

TCP listener

DescribeAvailableResource
IPv6 support 2019-04-24 China (Shenzhen): Zone D and Zone E HTTPS listener

HTTP listener

UDP listener

TCP listener

Create an IPv6 instance
IPv6 support 2019-04-11 China (Shanghai): Zone E (primary) and Zone D (secondary) HTTPS listener

HTTP listener

UDP listener

TCP listener

Create an IPv6 instance
Quota management 2019-01-29 All regions HTTPS listener

HTTP listener

UDP listener

TCP listener

Manage quotas
Idle instance release 2019-01-24 All regions HTTPS listener

HTTP listener

UDP listener

TCP listener

Manage idle instances
API Inspector 2018-12-21 All regions HTTPS listener

HTTP listener

UDP listener

TCP listener

API Inspector
Redirection configuration 2018-11-20 All regions

HTTP listener

Redirect HTTP requests to HTTPS
ECS ENIs assigned to backend servers in the console 2018-10-26 All regions HTTPS listener

HTTP listener

UDP listener

TCP listener

Add private IP addresses of ENIs to backend servers
Certificates issued or hosted in Alibaba Cloud SSL Certificates Service 2018-09-12 All regions HTTPS listener

HTTP listener

UDP listener

TCP listener

Certificate overview
IPv6 support 2018-09-12 China (Beijing): Zone F and Zone G HTTPS listener

HTTP listener

UDP listener

TCP listener

Create an IPv6 instance
Advanced configurations in forwarding rules, such as scheduling algorithms, session persistence, and health check 2018-09-07 All regions HTTP listener

HTTPS listener

Forward requests based on domain names or URLs

Batch modifications to the ports and weights of backend servers 2018-08-31 All regions HTTPS listener

HTTP listener

UDP listener

TCP listener

Add ECS instances to the default server group

Create a vServer group

New version of console at China site (aliyun.com) 2018-07-28 All regions HTTPS listener

HTTP listener

UDP listener

TCP listener

Create an SLB instance
Consistent hash algorithms (the QUIC protocol and UDP session persistence supported for Layer-4 listeners) 2018-07-18

Japan (Tokyo)

Australia (Sydney)

Malaysia (Kuala Lumpur)

Indonesia (Jakarta)

Germany (Frankfurt)

US (Silicon Valley)

US (Virginia)

UAE (Dubai)

China (Hohhot)

UDP listener

TCP listener

Add a TCP listener

Add a UDP listener

Custom TLS versions 2018-06-29 All regions HTTPS listener Manage TLS security policies

Add an HTTPS listener

IPv6 support 2018-06-15 China (Hangzhou): Zone E and Zone F HTTPS listener

HTTP listener

UDP listener

TCP listener

Create an IPv6 instance
HTTP/2 enabling 2018-05-21 All regions HTTPS listener Add an HTTPS listener
Multiple certificates (SNI) bound 2018-05-21 All regions HTTPS listener Configure a multi-domain-name HTTPS website on an SLB instance
Blacklists and whitelists configured in the new access control feature 2018-05-10 All regions

HTTPS listener

HTTP listener

UDP listener

TCP listener

Overview

Enable access control

HTTP requests redirected to HTTPS 2018-05-10 All regions

HTTP listener

Redirect HTTP to HTTPS
Access logs 2018-05-08 All regions

HTTP listener

HTTPS listener

Configure access logging
ECS ENIs assigned to backend servers by calling the API operation 2018-05-01 All regions

HTTPS listener

HTTP listener

UDP listener

TCP listener

AddBackendServers
Custom timeout values for Layer-7 listeners 2018-04-18 All regions

HTTP listener

HTTPS listener

Add an HTTP listener

Add an HTTPS listener

WS/WSS protocol 2018-02-01 All regions

HTTP listener

HTTPS listener

WS/WSS support FAQ
HTTP/2 2018-02-01 All regions

HTTPS listener

Alibaba Cloud Security thresholds of SLB instances can be viewed 2017-11-30 All regions

HTTPS listener

HTTP listener

UDP listener

TCP listener

Anti-DDoS Basic
Guaranteed-performance instances 2017-11-28 All regions

HTTPS listener

HTTP listener

UDP listener

TCP listener

FAQ about high-performance SLB instances
Layer-7 monitoring metrics such as QPS 2017-08-18 All regions

HTTP listener

HTTPS listener

View monitoring data in the console
Custom timeout values for Layer-4 listeners 2017-08-11 All regions

TCP listener

Add a TCP listener
Primary/secondary server groups 2017-02-15 All regions

UDP listener

TCP listener

Create a primary/secondary server group
Additional HTTP header fields 2016-11-02 All regions

HTTP listener

HTTPS listener

Add an HTTP listener

Add an HTTPS listener

Domain name-based and URL-based forwarding 2016-03-05 All regions

HTTP listener

HTTPS listener

Forward requests based on domain names or URLs
Multi-zone deployment 2015-12-18 All regions

HTTPS listener

HTTP listener

UDP listener

TCP listener

Multi-zone deployment
HTTP health check supported for TCP listeners 2015-07-01 All regions

TCP listener

Add a TCP listener
VPC support 2015-04-24 All regions

HTTPS listener

HTTP listener

UDP listener

TCP listener

Create an SLB instance
HTTPS support 2015-01-29 All regions HTTPS listener Add an HTTPS listener
Official release of SLB 2014-02-11 All regions HTTP listener

TCP listener

SLB instance overview