Trail

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BCT BCT

  • API Reference
    • Common request header and common response header
    • Data type
    • Error code
    • Event Query Interface
    • General Description
    • Overview
    • Service domain
  • FAQs
    • FAQs
  • Function Release Records
  • Operation guide
    • Operation records
    • Trail
  • Product Description
    • Beta release notes
    • End of Public Beta Announcement
    • Product functions
    • Product Introduction
    • Supported Services
      • Account Management and Multi-user Access Control
      • AI Capability Engine
      • Application Firewall
      • Application Reinforcement and Security Detection
      • Baidu AI Cloud Object Storage
      • Baidu Cloud Monitor
      • Baidu Cloud Virtual Host
      • Baidu ElasticSearch
      • Baidu Intelligent Traffic Manager
      • Baidu Load Balance
      • Baidu Log Transfer Service
      • Baidu MapReduce
      • Certificate Service SSL
      • Cloud Database TableStorage
      • Cloud Disk Server
      • Cloud File System (CFS)
      • Cloud Phone
      • Cloud Server
      • Cloud Smart Network
      • Content delivery network
      • Data Transfer Service
      • DDoS Protection Service
      • Dedicated Line Access
      • Dedicated server
      • Distributed Database
      • Domain Name Service
      • Edge Computing Node
      • EIP
      • Elastic Baremetal Compute
      • Elastic Scaling
      • Enterprise Organization
      • Intelligent Cloud DNS
      • IoT Core Package
      • IoT Visualization
      • Live Streaming Service
      • Load Balance Dedicated Cluster
      • Media Content Review
      • Multimedia Cloud Transcoding
      • NAT Gateway
      • Number Authentication Service
      • Number Security Service
      • Parallel File Storage PFS
      • Peering Connections
      • Qianfan ModelBuilder
      • Real-time Audio-video
      • Relational Database
      • Security and Privacy Platform
      • Security Detection Service
      • Simple Cache Service
      • Simple Message Service
      • Smart Gateway Access Service
      • Smart Video Networking Service
      • Smart Video-on-Demand Platform VOD
      • Super Chain
      • Supported Services Navigation
      • Tag Service
      • Time Series Database
      • Trademark Service
      • Traffic Burst Service Package
      • Virtual private cloud
      • Voice Call
      • VPN Gateway
  • Product pricing
    • Product pricing
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  • Trail
Table of contents on this page
  • Function overview
  • Create Trail
  • Trail management
  • Enable/disable trail
  • Modify trail

Trail

Updated at:2025-10-21

Function overview

Trail sets are an advanced feature of Cloud Trail, helping customers with traceability and ensuring operational security for enterprise personnel assets. It includes details like operation log types and storage paths.

By storing all operation records in Cloud Trail, you can conduct security analyses, track resource changes, and perform compliance audits.

Create Trail

  1. Log in to the BCT console, navigate to Trail in the left sidebar, and select Create Trail.

  2. Enter Basic Information and Storage Location.

Filling description:

Plain Text
1[Basic information]
2
3-   Trail name: Must comprise uppercase and lowercase letters, numbers, and -_., with a maximum length of 40 characters.  
4-   Trail location: Supports tracking across all regions.  
5
6Storage Position
7
8-   Option to create a new BOS bucket: To create a new BOS bucket, provide a name in the text box; otherwise, select an option from the BOS bucket dropdown menu displaying available buckets.  
9-   BOS bucket name: Must contain only lowercase letters, numbers, and "-", starting and ending with lowercase letters or numbers. The length should be between 3 and 63 characters. Once created, the bucket name cannot be changed and must be unique across all regions. Company or project names can be used as prefixes.  
10-   Log file prefix: Can contain letters, numbers, Chinese characters, underscores, hyphens, and periods. It must begin with a letter, number, or Chinese character. Folder names must be 1-65 characters long.  
  1. After the configuration is complete, click Create to successfully create the trail.
  • By default, the created trail remains valid indefinitely and is billed based on BOS usage.

Trail management

Enable/disable trail

Users can enable, disable, modify, or delete the created trail from the Trail overview page.

image.png

Note:

  • After deleting the Trail, you will no longer receive new audit events;
  • Audit events delivered to BOS will be retained indefinitely.

Modify trail

Users can click Modify next to the Trail to edit the details of the created trail.

image.png

After making edits, click Update to finalize the trail modifications.

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