Create flow logs

Last updated: 2020-07-23 15:21:26

The FL service is currently in beta test. If you want to try it out, please submit an application for beta eligibility.

  1. Log in to the VPC Console and click Diagnostic Tools > Flow Logs on the left sidebar.
  2. Click + New and the window "Create Flow Log Rule" will pop up.

    For more information on how to create logsets and log topics, please see Creating Logsets and Log Topics.

  3. Enter the parameters below and click OK to complete the creation.
    • Collection Type specifies the type of traffic to be collected by flow logs: all traffic, the traffic rejected or accepted by security groups or ACL.
    • Logset specifies the storage location in CLS for flow logs.
    • Log Topic specifies the minimum dimension of log storage, which is used to distinguish different types of logs, such as Accept log.


  • You can view the record of a newly created flow log in CLS after 15 minutes upon the creation (10 minutes for the capture window and 5 minutes for data publishing).
  • Flow Logs service is free of charge, but the data are stored in CLS and charged by CLS.