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Last updated: 2024-01-06 17:50:58

COS offers a variety of best practices for common use cases, such as access control and permission management, performance optimization, data migration, direct data upload and backup, data security, domain name management, big data, and serverless architecture, facilitating your diverse business needs. Specific best practices are as detailed below:
Best Practice
Description
Access control and permission management
Access control and permission management is one of the most practical features of COS. Best practices are outlined in the following documents:
﻿ACL Practices﻿
﻿CAM Practices﻿
﻿Granting Sub-accounts Access to COS﻿
﻿Authorization Cases﻿
﻿Working with COS API Access Policies﻿
﻿Security Guidelines for Using Temporary Credentials for Direct Upload from Frontend to COS﻿
﻿Generating and Using Temporary Keys﻿
﻿Authorizing Sub-Account to Get Buckets by Tag﻿
﻿Descriptions and Use Cases of Condition Keys﻿
﻿Granting Sub-account Under One Root Account Permission to Manipulate Buckets Under Another Root Account﻿
Performance optimization
COS supports performance expansion to achieve a higher request rate. For detailed directions, see Request Rate and Performance Optimization.
﻿Accessing COS Using the AWS S3 SDK﻿
COS offers APIs compatible with AWS S3. You can access files in COS using the AWS S3 SDK with simple configurations.
Disaster recovery and backup
Best practices and applicable solutions for disaster recovery and backup are outlined in the following three scenarios.
﻿High-Availability Disaster Recovery Architecture Based on Cross-Region Replication﻿
﻿Cloud Data Backup﻿
﻿Local Data Backup﻿
Domain name management
You can configure an HTTPS custom domain name to access COS. For more information, see Supporting HTTPS for Custom Endpoints.
You can configure CORS rules in COS. For more information, see Setting CORS.
You can host static websites in COS. For more information, see Hosting Static Website.
You can build frontend single-page application in COS. For more information, see Building a Frontend Single-Page Application with COS's Static Website Feature.
Direct data upload
Below are the best practices of direct data upload:
﻿Practice of Direct Transfer for Web End﻿
﻿Practice of Direct Upload Through WeChat Mini Program﻿
﻿Practice of Direct Upload for Mobile Apps﻿
﻿uni-app Direct Upload Practice﻿
Data security
This practice describes the data security solution in terms of pre-event prevention, mid-event monitoring, and post-event backtracking. For more information, see Introduction to COS Data Security Solution.
You can configure hotlink protection in COS to control access sources. For more information, see Hotlink Protection Practice.
Data verification
You can ensure the integrity of data uploaded to COS by using an MD5 checksum. For more information, see MD5 Verification.
You can verify data by using a CRC-64 checksum. For more information, see CRC64 Check.
Big data
You can use COS as the deep storage of Druid. For more information, see Using COS as Deep Storage of Druid.
You can use Terraform to manage COS.
You can use DataX to import or export data to or from COS. For more information, see Importing/Exporting COS Using DataX.
You can configure COSN by using CDH. For more information, see Configuring COSN for CDH.
You can use COS Ranger to control permissions. For more information, see COS Ranger Permission System Solution.
You can connect Oceanus to COS. For more information, see Connecting Oceanus to COS.
Using COS in third-party applications
You can store data of S3-compatible third-party applications to COS by using COS general settings. For more information, see Use the general configuration of COS in third-party applications compatible with S3.
You can use the remote attachment feature to store forum attachments in COS.
You can store multimedia content in COS by using the WordPress plugin. For more information, see Storing Remote WordPress Attachments to COS.
﻿Using APIs to zip files﻿
You can package multiple files through an API.
﻿

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Best Practice	Description
Access control and permission management	Access control and permission management is one of the most practical features of COS. Best practices are outlined in the following documents: ACL Practices CAM Practices Granting Sub-accounts Access to COS Authorization Cases Working with COS API Access Policies Security Guidelines for Using Temporary Credentials for Direct Upload from Frontend to COS Generating and Using Temporary Keys Authorizing Sub-Account to Get Buckets by Tag Descriptions and Use Cases of Condition Keys Granting Sub-account Under One Root Account Permission to Manipulate Buckets Under Another Root Account
Performance optimization	COS supports performance expansion to achieve a higher request rate. For detailed directions, see Request Rate and Performance Optimization.
Accessing COS Using the AWS S3 SDK	COS offers APIs compatible with AWS S3. You can access files in COS using the AWS S3 SDK with simple configurations.
Disaster recovery and backup	Best practices and applicable solutions for disaster recovery and backup are outlined in the following three scenarios. High-Availability Disaster Recovery Architecture Based on Cross-Region Replication Cloud Data Backup Local Data Backup
Domain name management	You can configure an HTTPS custom domain name to access COS. For more information, see Supporting HTTPS for Custom Endpoints. You can configure CORS rules in COS. For more information, see Setting CORS. You can host static websites in COS. For more information, see Hosting Static Website. You can build frontend single-page application in COS. For more information, see Building a Frontend Single-Page Application with COS's Static Website Feature.
Direct data upload	Below are the best practices of direct data upload: Practice of Direct Transfer for Web End Practice of Direct Upload Through WeChat Mini Program Practice of Direct Upload for Mobile Apps uni-app Direct Upload Practice
Data security	This practice describes the data security solution in terms of pre-event prevention, mid-event monitoring, and post-event backtracking. For more information, see Introduction to COS Data Security Solution. You can configure hotlink protection in COS to control access sources. For more information, see Hotlink Protection Practice.
Data verification	You can ensure the integrity of data uploaded to COS by using an MD5 checksum. For more information, see MD5 Verification. You can verify data by using a CRC-64 checksum. For more information, see CRC64 Check.
Big data	You can use COS as the deep storage of Druid. For more information, see Using COS as Deep Storage of Druid. You can use Terraform to manage COS. You can use DataX to import or export data to or from COS. For more information, see Importing/Exporting COS Using DataX. You can configure COSN by using CDH. For more information, see Configuring COSN for CDH. You can use COS Ranger to control permissions. For more information, see COS Ranger Permission System Solution. You can connect Oceanus to COS. For more information, see Connecting Oceanus to COS.
Using COS in third-party applications	You can store data of S3-compatible third-party applications to COS by using COS general settings. For more information, see Use the general configuration of COS in third-party applications compatible with S3. You can use the remote attachment feature to store forum attachments in COS. You can store multimedia content in COS by using the WordPress plugin. For more information, see Storing Remote WordPress Attachments to COS.
Using APIs to zip files	You can package multiple files through an API.

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