Feature Release date Supported region Supported protocol Reference
Added support for health check diagnostics 2019-07-10 China (Hangzhou)

China (Shanghai)

China (Qingdao)

China (Beijing)

China (Zhangjiakou)

China (Hohhot)

China (Shenzhen)

China (Chengdu)

TCP

UDP

HTTP

HTTPS

Perform health check diagnostics
Added support for an overview page in the Server Load Balancer (SLB) console 2019-07-10 China (Hangzhou)

China (Shanghai)

China (Qingdao)

China (Beijing)

China (Zhangjiakou)

China (Hohhot)

China (Shenzhen)

China (Chengdu)

TCP

UDP

HTTP

HTTPS

-
Added more regions that support repeated UDP or TCP listening port numbers 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

Malaysia (Kuala Lumpur)

China (Hong Kong)

China (Shenzhen)

China (Hohhot)

China (Qingdao)

China (Chengdu)

China (Zhangjiakou)

China (Shanghai)

TCP

UDP

Add a TCP listener

Add a UDP listener

Added support for backend servers to use secondary private IP addresses of Elastic Network Interfaces (ENIs) 2019-06-12 China (Hangzhou)

China (Shanghai)

China (Qingdao)

China (Beijing)

China (Zhangjiakou)

China (Hohhot)

China (Shenzhen)

China (Chengdu)

UDP

TCP

HTTP

HTTPS

Add private IP addresses of ENIs to backend servers
Added support for repeated UDP or TCP listening port numbers 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

UDP

TCP

Add a TCP listener

Add a UDP listener

Added support for keys in EC format 2019-05-20 UK (London) HTTPS Certificate requirements
Added support for TLSv1.3 2019-05-20 UK (London) HTTPS Manage TLS security policies
Added support for the GET request method in health checks of layer-7 listeners 2019-05-05 India (Mumbai) HTTPS

HTTP

Add an HTTP listener

Add an HTTPS listener

Added support for querying resources available for purchase in corresponding zones by using API calls 2019-04-29 All regions HTTPS

HTTP

UDP

TCP

DescribeAvailableResource
Added support for IPv6 2019-04-24 Zone D and Zone E of the China (Shanghai) region and Zone D and Zone E of the China (Shenzhen) region HTTPS

HTTP

UDP

TCP

Create an IPv6 instance
Added support for IPv6 2019-04-11 Zone E (primary zone) and Zone D (secondary zone) of the China (Shanghai) region HTTPS

HTTP

UDP

TCP

Create an IPv6 instance.
Added support for quota management 2019-01-29 All regions HTTPS

HTTP

UDP

TCP

Manage quotas
Added support for idle instance management 2019-01-24 All regions HTTPS

HTTP

UDP

TCP

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

HTTP

UDP

TCP

API Inspector
Added support for redirection of HTTP requests to HTTPS 2018-11-20 All regions

HTTP

Configure HTTP-to-HTTPS redirection
Added support for backend servers to use ENIs (through console) 2018-10-26 All regions HTTPS

HTTP

UDP

TCP

Add private IP addresses of ENIs to backend servers
Added support for certificates issued by or hosted in the Alibaba Cloud SSL Certificate Service 2018-09-12 All regions HTTPS

HTTP

UDP

TCP

Certificate overview
Added support for IPv6 2018-09-12 Zone G and Zone F in the China (Beijing) region HTTPS

HTTP

UDP

TCP

Create an IPv6 instance
Added support for advanced configurations, such as forwarding rules, scheduling algorithms, session persistence, and health checks 2018-09-07 All regions HTTP

HTTPS

Forward requests based on domain names or URLs

Added support for batch modifications to the ports and weights of backend servers 2018-08-31 All regions HTTPS

HTTP

UDP

TCP

Manage a default server group

Manage a VServer group

A new version of the console for the China site 2018-07-28 All regions HTTPS

HTTP

UDP

TCP

Create an SLB instance
Added support for the consistent hash algorithm (enabling layer-4 support for QUIC protocol and UDP session persistence) 2018-07-18

Japan (Tokyo)

Australia (Sydney)

Malaysia (Kuala Lumpur)

Indonesia (Jakarta)

Germany (Frankfurt)

US (Silicon Valley)

US (Virginia)

UAE (Dubai)

China (Hohhot)

UDP

TCP

Add a TCP listener

Add a UDP listener

Added support for custom TLS versions 2018-06-29 All regions HTTPS Manage TLS security policies

Add an HTTPS listener

Added support for IPv6 2018-06-15 Zone E and Zone F in the China (Hangzhou) region HTTPS

HTTP

UDP

TCP

Create an IPv6 instance
Added support for enabling HTTP/2.0 2018-05-21 All regions HTTPS Add an HTTPS listener
Added support for associating multiple certificates (SNI) 2018-05-21 All regions HTTPS Configure a multi-domain-name HTTPS website on an SLB instance
Added support for configuring blacklists and whitelists as access control functions 2018-05-10 All regions

HTTPS

HTTP

UDP

TCP

Configure an access control list

t23633.html#concept_q1b_yc2_lfb

Added support for HTTP-to-HTTPS redirections 2018-05-10 All regions

HTTP

Redirect HTTP to HTTPS
Added support for access logs 2018-05-08 All regions

HTTP

HTTPS

Configure access logging
Added support for backend servers to use (ENIs) (through OpenAPI Explorer) 2018-05-01 All regions

HTTPS

HTTP

UDP

TCP

AddBackendServers
Added support for custom timeouts with layer-7 listeners 2018-04-18 All regions

HTTP

HTTPS

Add an HTTP listener

Add an HTTPS listener

Added support for the WS/WSS protocol 2018-02-01 All regions

HTTP

HTTPS

WS/WSS support FAQ
Added support for the HTTP/2 protocol 2018-02-01 All regions

HTTPS

HTTP/2 support FAQ
Added support for viewing Alibaba Cloud Security thresholds of SLB instances 2017-11-30 All regions

HTTPS

HTTP

UDP

TCP

Anti-DDoS Basic
Release of guaranteed-performance instances 2017-11-28 All regions

HTTPS

HTTP

UDP

TCP

Guaranteed-performance instance FAQ
Added support for layer-7 monitoring metrics such as QPS 2017-08-18 All regions

HTTP

HTTPS

View monitoring data in the console
Added support for custom timeouts with layer-4 listeners 2017-08-11 All regions

TCP

Add a TCP listener
Added support for active/standby server groups 2017-02-15 All regions

UDP

TCP

Manage an active/standby server group
Added support for HTTP header fields 2016-11-02 All regions

HTTP

HTTPS

Add an HTTP listener

Add an HTTPS listener

Added support for domain name-based and URL-based forwarding 2016-03-05 All regions

HTTP

HTTPS

Forward requests based on domain names or URLs
Added support for multi-zone deployment 2015-12-18 All regions

HTTPS

HTTP

UDP

TCP

Multi-zone deployment
Added support for HTTP health checks for TCP listeners 2015-07-01 All regions

TCP

Add a TCP listener
Added support for VPCs 2015-04-24 All regions

HTTPS

HTTP

UDP

TCP

Create an SLB instance
Added support for the HTTPS protocol 2015-01-29 All regions HTTPS Add an HTTPS listener
Official launch of the SLB service 2014-02-11 All regions HTTP

TCP

SLB instance overview