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Content Delivery Network

Release Notes

Last updated: 2024-12-30 21:22:32

January 2022

Update
Description
Release Date
Documentation
ECDN origin-pull monitoring
This feature enables you to view monitoring curves in real time.
January 06, 2022

December 2021

Update
Description
Release Date
Documentation
New names of acceleration types
Tencent Cloud CDN has changed the names of acceleration types: "Static content" to "Webpage file download", "Download" to "Large file download", and "Streaming media" to "Audio & video on demand". Note that only the names have changed.
December 10, 2021
Upgrade of real-time logging
Real-time logging allows you to ship logs for regions outside the Chinese mainland and search logs in various ways.
December 06, 2021

October 2021

Update
Description
Release Date
Documentation
New user rewards
From October 25, 2021, new users who have activated Tencent Cloud CDN service and completed tasks during the required period will be rewarded.
October 25, 2021
New User Rewards
Added data metrics
Tencent Cloud CDN has added three metrics for beta data for regions in the Chinese mainland: top client IPs, top UA, and top Referer.
October 21, 2021
Purging and prefetching .txt files
Purging and prefetching .txt files is supported.
October 13, 2021
Fine-grained configuration
Configuration based on file extension, file directory, and full directory is supported.
October 12, 2021
Supported file types
Options All Files and File Content-Type are added.
October 12, 2021

September 2021

Update
Description
Release Date
Documentation
Underscores and Punycode-converted Chinese characters
Underscores and Punycode-converted Chinese characters are supported. The Chinese domain name must obtain an ICP filing with the Chinese characters.
September 16, 2021
Added traffic limiting
The setting "Usage Limit Configuration", previously "Bandwidth Cap Configuration" supports traffic limiting with alarm percentage.
September 15, 2021
Alarm threshold for bandwidth cap
CDN supports setting an alarm threshold for bandwidth cap. When the ratio of access bandwidth to the bandwidth cap reaches this value, an alarm message will be sent.
September 2, 2021

August 2021

Update
Description
Release Date
Documentation
Quick configuration of CNAME
The capabilities of resolution and configuration have been interconnected between Tencent Cloud CDN and DNSPod. For domain names hosted on Tencent Cloud DNSPod, you can configure CNAME with fewer steps in the CDN console to enable CDN acceleration.
August 26, 2021
Invalid status for URL prefetch
A new cache status "Invalid" is added. For invalid prefetch, the origin server will return an error status code such as 4XX/5XX.
August 18, 2021
New log field
A new log field is added, which is a port connecting the client and CDN nodes.
August 6, 2021

July 2021

Update
Description
Release Date
Documentation
CDN-ECDN console
The CDN console integrates the ECDN service. A new user can activate both CDN and ECDN services without paying for the service that is not used. If you only have the CDN service activated, the ECDN service will be automatically activated after you add an ECDN domain name for the first time.
July 26, 2021
Origin-pull to a third-party bucket
Supports pulling resources from a third-party bucket such as AWS S3 and Alibaba Cloud OSS. The origin-pull authentication can be enabled.
July 14, 2021

June 2021

Update
Description
Release Date
Documentation
Extended refund period for a traffic package
Eligible traffic packages are now refundable within 15 days
June 23, 2021
Traffic Package Refund
Daily URL purge and prefetch quota increase
When you are running out of daily URL purge and prefetch quota, you can quickly increase it.
June 23, 2021
Query for the origin-pull node IP of acceleration domain names in the console
Supports querying the origin-pull node IP (including IP address and IP range) of acceleration domain names.
June 23, 2021
Origin-pull Node Query

March 2021

Update
Description
Release Date
Documentation
Batch change configuration
Supports changing domain name configurations for multiple acceleration domain names in batches, increasing configuration efficiency.
March 31, 2021
QUIC beta
Releases CDN QUIC beta.
March 2, 2021
POST request size configuration
Supports setting the maximum size of POST requests.
March 2, 2021

December 2020

Update
Description
Release Date
Documentation
Advanced origin-pull configuration
Supports more refined origin-pull configurations, including path-based origin-pull (by specifying the file type, folder, full-path file, or homepage) and client IP region-based origin-pull (which is not generally available), etc.
December 29, 2020
IPv6 access fully supported in the Chinese mainland
IPv6 access is available in the Chinese mainland. You can enable it to allow IPv6 addresses accessing CDN nodes.
December 14, 2020
Browser cache validity configuration
Supports customizing client browser cache policies to reduce origin-pull rate.
December 7, 2020
Origin URL rewrite
Supports configuring origin URL rewrite rules.
December 7, 2020
TLS version configuration
Supports enabling and disabling TLS versions as needed.
December 7, 2020
Custom error page
Supports redirecting a request with the specified status code to the specified URL.
December 7, 2020
Self-diagnosis tool upgrade
The self-diagnosis tool now supports domain names that have been connected to the "Global" and "Outside the Chinese Mainland" acceleration regions.
December 3, 2020

November 2020

Update
Description
Release Date
Documentation
Origin-pull request header configuration upgrade
Supports configuring the referer header.
November 25, 2020
Copy configuration
Supports copying the configurations of an existing forwarding domain name to one or multiple new forwarding domain names.
November 3, 2020

October 2020

Update
Description
Release Date
Documentation
Official launch of the real-time log service
CDN access logs can be collected and published in real time to realize quick retrieval and analysis of log data.
October 29, 2020
Domain name ownership verification
To prevent domain name appropriation, domain name ownership verification is required for connecting a new domain name to Tencent Cloud CDN.
October 14, 2020

August 2020

Update
Description
Release Date
Documentation
Access URL rewrite
Supports configuring URL rewrite rules to redirect 302 URLs to the specified URL.
August 13, 2020
Closing ports for accesses from the Chinese mainland
Supports closing the access ports 80, 8080, and 443 as needed.
August 13, 2020
Increasing the number of allowed/blocked IPs to 200
Supports adding up to 200 allowed/blocked IPs.
August 13, 2020

June 2020

Update
Description
Release Date
Documentation
UA blocklist/allowlist configuration
Determines whether to deny or allow requests according to HTTP request header User-Agent.
June 30, 2020
Downstream speed limit configuration
Controls the CDN access bandwidth by setting the downstream speed limit on a URL.
June 30, 2020
Configuring case-insensitive for cache keys
Configures whether to ignore letter cases for cache keys (case-sensitive by default)
June 30, 2020
Origin-pull request header configuration
Supports adding specified header information to the origin-pull request, such as carrying the real client IP.
June 30, 2020
Quick HSTS configuration
Supports adding the header strict-transport-security.
June 30, 2020
OCSP stapling configuration
Fully releases the quick OCSP stapling configuration to improve TLS handshake efficiency and speed up user authentication.
June 30, 2020

April 2020

Update
Description
Release Date
Documentation
Image optimization
Supports enabling WebP, Guetzli, and TPG compression for qualified requested images to effectively reduce downstream traffic generated by image transfer and reduce costs.
April 27, 2020
Image Optimization
Enabling global CDN service manually
Opens up global acceleration service to global users.
Users can activate global CDN service easily in the console by themselves.
April 15, 2020

March 2020

Update
Description
Release Date
Documentation
Upgraded domain name retrieval feature
Supports resolving and verifying domain name ownership, reclaiming domain names, and connecting wildcard domain names.
March 3, 2020
New origin-pull timeout configuration
Supports adjusting the timeout periods for origin-pull TCP connection and data loading to ensure normal origin-pull.
March 3, 2020

February 2020

Update
Description
Release Date
Documentation
Beta of real-time log service
CDN access logs can be collected and published in real time to realize quick retrieval and analysis of log data.
February 24, 2020

December 2019

Update
Description
Release Date
Documentation
Global CDN
The monthly operations report feature is supported
The monthly operations report feature in the Chinese mainland CDN console and overseas CDN console has been merged to improve the business status analysis of any month in the past year.
December 23, 2019

November 2019

Update
Description
Release Date
Documentation
Global CDN
Purge cache
Supports the purge cache feature in the console for regions in and outside the Chinese Mainland.
November 14, 2019
Global CDN
Prefetch cache
Supports the prefetch cache feature in the console for regions in and outside the Chinese Mainland.
November 14, 2019
Global CDN
Log download
Supports downloading the CDN logs in the console for regions in and outside the Chinese Mainland.
November 14, 2019

October 2019

Update
Description
Release Date
Documentation
Overseas CDN
The statistical analysis page is redesigned
Following the upgrade of overseas CDN's data APIs, data analysis will be upgraded to global data analysis.
October 21, 2019

May 2019

Update
Description
Release Date
Documentation
Chinese mainland CDN
The self-diagnosis tool is upgraded
Supports region and status diagnosis and list refreshing.
May 29, 2019

April 2019

Update
Description
Release Date
Documentation
Global CDN
Domain name level tagging is supported
Speeds up domain names query and improves the efficiency of domain names management.
April 16, 2019

March 2019

Update
Description
Release Date
Documentation
Overseas CDN
Bandwidth cap can be configured
This feature prevents hotlinking by malicious users which can generate high amounts of bandwidth and dramatically increase costs.
March 18, 2019
Overseas CDN
Range GETs can be configured
Improves the delivery efficiency of large files greatly, speeds up the response, and reduces the pressure on the origin server.
March 18, 2019

January 2019

Update
Description
Release Date
Documentation
Chinese mainland CDN
IPv6 is now supported (in beta)
IPv6 acceleration is now launched in beta and is supported for ISPs in all provinces within Chinese mainland.
January 18, 2019

December 2018

Update
Description
Release Date
Documentation
Chinese mainland CDN
More timestamp hotlink protection options are supported
More formats of timestamp hotlink protection are supported.
December 20, 2018
Chinese mainland CDN
The API for data query at a 1-minute granularity is supported
Allows you to query the actual billable data at 1-minute granularity and access the monitoring data in real time.
December 6, 2018

November 2018

Update
Description
Release Date
Documentation
Chinese mainland CDN
The data monitoring page is redesigned
Key monitoring metrics can now be easily viewed.
November 30, 2018
Overseas CDN
Billing by region is supported
An overseas CDN billing zone is determined by the region where the CDN cache node is located, and CDN service fees will continue to be charged based on the zone-specific unit price and usage.
November 29, 2018
Chinese mainland CDN
All headers can be cached
Supports quick caching of all headers for Chinese mainland CDN.
November 29, 2018

May 2018

Update
Description
Release Date
Documentation
Chinese mainland CDN
Multiple purge logics are supported for directory purge
Multiple purge logics are added for Chinese mainland CDN to help purge resources cached in CDN nodes on a regular basis. The nodes will pull the latest resources from the origin server and cache again.
May 31, 2018

January 2018

Update
Description
Release Date
Documentation
Chinese mainland CDN
Timestamp hotlink protection can be configured
By setting an access control policy on the value of the referer field in the HTTP request header, the access source can be restricted to prevent hotlinking by malicious users.
January 30, 2018
Chinese mainland CDN
404 status code cache validity can be customized
Supports custom configuration of 404 status code cache validity.
January 30, 2018

November 2017

Update
Description
Release Date
Documentation
Chinese mainland CDN
The time periods for overdue payment processing are adjusted
The time periods for overdue payment processing in CDN are adjusted.
November 9, 2017

September 2017

Update
Description
Release Date
Documentation
Chinese mainland CDN
Forced HTTPS 301 redirect is supported
Enables you to forcibly rewrite all HTTP requests arriving at the CDN node to HTTPS requests. Supports permanent 301 redirect.
September 30, 2017
Chinese mainland CDN
Homepage cache validity period can be configured
Enables you to configure a set of expiration rules that the CDN cache nodes should follow when caching business contents.
September 30, 2017

July 2017

Update
Description
Release Date
Documentation
Overseas CDN
The statistical analysis feature is launched
This feature keeps you informed of user distribution and usage.
July 7, 2017

April 2017

Update
Description
Release Date
Documentation
Overseas CDN
Node region query is supported
Supports querying whether a specified IP belongs to a Tencent Cloud node and the service status.
April 12, 2017
DescribeCdnIp
Chinese mainland CDN
Batch IP ownership query is supported
This feature enables you to batch query whether specified IPs belong to Chinese mainland CDN cache nodes and check their acceleration service regions, provinces, and ISPs.
April 12, 2017
Chinese mainland CDN
Quick domain name export is supported
This feature enables you to quickly export the list of CDN domain names.
April 12, 2017

March 2017

Update
Description
Release Date
Documentation
Overseas CDN
The advanced cache feature is launched
This feature enables you to adjust the node cache validity period dynamically by setting the Max-Age value in the HTTP response header Cache-Control of the origin server.
March 15, 2017

January 2017

Update
Description
Release Date
Documentation
Overseas CDN
HTTP header customization is supported
This feature enables you to add a custom header in the returned response message to implement cross-origin access when a business resource is requested.
January 12, 2017

December 2016

Update
Description
Release Date
Documentation
Chinese mainland CDN
Bandwidth cap can be configured for domain names
Prevents hotlinking by malicious users which can dramatically increase bandwidth usage and result in exorbitant costs.
December 14, 2016
Chinese mainland CDN
Forced HTTPS redirect is supported
This feature enables you to specify a redirect method and forcibly rewrite all HTTP requests arriving at the CDN node to HTTPS requests.
December 14, 2016
Chinese mainland CDN supports primary/secondary origin server configuration
This feature ensures the high availability of origin-pull.
December 14, 2016
Chinese mainland CDN
Switching between customer and COS origin servers is supported
This feature enables you to change the type of the primary origin server from customer origin server to COS origin server and vice versa.
December 14, 2016
Chinese mainland CDN
Range GETs can be configured
This feature can greatly improve the delivery efficiency of large files, speed up responses, and reduce the pressure on the origin server.
December 14, 2016
Overseas CDN
Cross-border origin-pull optimization is supported
Overseas CDN supports cross-border origin-pull optimization.
December 14, 2016

November 2016

Update
Description
Release Date
Documentation
Overseas CDN
Purge and prefetch are supported
Overseas CDN now supports the purge cache and prefetch cache features.
November 25, 2016
Overseas CDN
Access log download is supported
The access logging feature is launched in Overseas CDN to help you analyze user access.
November 25, 2016
Overseas CDN
COS origin server is supported
Static resources in COS can be connected to Overseas CDN for global acceleration and delivery to user clients.
November 1, 2016

October 2016

Update
Description
Release Date
Documentation
Overseas CDN
HTTPS acceleration is supported
You can upload certificates for deployment or directly deploy certificates hosted in Tencent Cloud SSL Certificates Service to the CDN platform. In this way, you can enable HTTPS acceleration service to implement encrypted data transfer over the entire network.
October 28, 2016
Chinese mainland CDN
Real-time monitoring of origin-pull data is supported
This feature enables you to view monitoring curves in the last 6 hours at 1-minute granularity.
October 26, 2016
Batch certificates configuration is supported
Certificates can be configured in batches in the console.
October 26, 2016

September 2016

Update
Description
Release Date
Documentation
IP access limit can be configured
By limiting the number of access requests per second from a client IP to a node, you can defend against high-frequency CC attacks and prevent hotlinking by malicious users.
September 23, 2016

August 2016

Update
Description
Release Date
Documentation
Cache validity rule priority adjustment is supported
The priorities of multiple cache validity rules can be adjusted.
August 22, 2016
IP blocklist/allowlist can be configured
By setting an access control policy on IPs of user requests, you can effectively restrict the access source to prevent malicious IP hotlinking and attacks.
August 11, 2016
Self-diagnosis tool is supported
This tool enables the detection of DNS resolution of connected domain names, linkage quality, node status, origin server, and data access consistency.
August 11, 2016

July 2016

Update
Description
Release Date
Documentation
SEO optimization configuration is supported
This feature solves the problem of incorrect weights of domain name search results due to frequent IP changes by CDN. By identifying whether an access IP belongs to a search engine, you can choose to directly pull the resource from the origin server, ensuring the stability of the search engine weight.
July 19, 2016
Custom HTTP Header is supported
This feature enables you to add a custom header in the returned response message to implement cross-origin access when a business resource is requested.
July 19, 2016

June 2016

Update
Description
Release Date
Documentation
The resource prefetch feature is launched
(In beta test)
CDN offers a resource prefetch feature that enables you to load specified resources to a cache node by simply submitting the list of resources in the CDN console instead of waiting for user requests to trigger.
June 30, 2016
Entry for Overseas CDN application is opened
(In beta test)
You can apply to enable Overseas CDN acceleration on this page.
June 30, 2016
The CDN monthly operational report feature is launched
Your monthly business status is displayed in multiple dimensions to facilitate analysis of your business operations.
June 13, 2016

April 2016

Update
Description
Release Date
Documentation
Free third-party HTTPS certificates are provided
You can go to the SSL Certificates Service console to apply for a free third-party certificate provided by TrustAsia.
April 29, 2016

March 2016

Update
Description
Release Date
Documentation
CDN supports querying IP ownership
This feature enables you to verify whether a specified IP belongs to a Chinese mainland CDN cache node and check its acceleration service region, province, and ISP.
March 4, 2016

January 2016

Update
Description
Release Date
Documentation
CDN supports COS origin server
Static resources in COS can be connected to CDN for global acceleration and delivery to user clients.
January 20, 2016

October 2015

Update
Description
Release Date
Documentation
The entire network status monitoring feature is launched for CDN
This feature enables you to monitor the latency and availability status of ISPs in all provinces of Chinese mainland and each region outside the Chinese mainland.
October 10, 2015

August 2015

Update
Description
Release Date
Documentation
Multidimensional statistics collection (such as access status code) is supported
Statistics of 2XX/3XX/4XX/5XX status codes can be collected.
August 8, 2015

June 2015

Update
Description
Release Date
Documentation
Directory purge
Resources can be purged by directory.
June 12, 2015
Prefetch feature for large files
Large files can be prefetched.
June 12, 2015

May 2015

Update
Description
Release Date
Documentation
Cache validity inherits the origin server's cache-control
The cache validity inherits the origin server's cache-control parameter.
May 18, 2015

April 2015

Update
Description
Release Date
Documentation
Origin domain can be configured
CDN supports modifying origin domains.
April 20, 2015
Referer hotlink protection can be configured
By setting an access control policy on the value of the referer field in the HTTP request header, the access source can be restricted to prevent hotlinking by malicious users.
April 20, 2015
Advanced features such as cache validity are launched
Cache validity of resources of a particular type or resources in a particular directory or path can be specified.
April 20, 2015

March 2015

Update
Description
Release Date
Documentation
CDN supports connecting customer and FTP-hosted origin servers
Customer and FTP-hosted origin servers are supported.
March 15, 2015
Bill-by-bandwidth and bill-by-traffic are supported
CDN offers two billing modes: bill-by-bandwidth and bill-by-traffic.
March 15, 2015

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