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User and Permission Audit

Updated on 2024-06-03 GMT+08:00

audit_login_logout

Parameter description: Specifies whether to audit users' login (including login success and failure) and logout.

This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Value range: an integer ranging from 0 to 7

  • 0 indicates that the function of auditing users' logins and logouts is disabled.
  • 1 indicates that only successful user logins are audited.
  • 2 indicates that only failed user logins are audited.
  • 3 indicates that successful and failed user logins are audited.
  • 4 indicates that only user logouts are audited.
  • 5 indicates that successful user logouts and logins are audited.
  • 6 indicates that failed user logouts and logins are audited.
  • 7 indicates that successful user logins, failed user logins, and logouts are audited.

Default value: 7

audit_database_process

Parameter description: Specifies whether to audit the database startup, stop, switchover, and recovery.

This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Value range: an integer, 0 or 1

  • 0 indicates that the function of auditing database startup, stop, switchover, and recovery is disabled.
  • 1 indicates that the function of auditing database startup, stop, switchover, and recovery is enabled.

Default value: 1

audit_user_locked

Parameter description: Specifies whether to audit the users' locking and unlocking.

This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Value range: an integer, 0 or 1

  • 0 indicates that the function of auditing user's locking and unlocking is disabled.
  • 1 indicates that the function of auditing user's locking and unlocking is enabled.

Default value: 1

audit_user_violation

Parameter description: Specifies whether to audit the access violation operations of a user.

This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Value range: an integer, 0 or 1

  • 0 indicates that the function of auditing the access violation operations of a user is disabled.
  • 1 indicates that the function of auditing the access violation operations of a user is enabled.

Default value: 0

audit_grant_revoke

Parameter description: Specifies whether to audit the granting and revoking of user permissions.

This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Value range: an integer, 0 or 1

  • 0 indicates that the function of auditing the granting and recycling of a user's permission is disabled.
  • 1 indicates that the function of auditing the granting and reclaiming of a user's permission is enabled.

Default value: 1

audit_security_label

Parameter description: Specifies whether to audit the creation, deletion, and application of user security labels.

Parameter type: integer.

Unit: none

Value range: 0 or 1

  • 0 indicates that the creation, deletion, and application of user security labels are not audited.
  • 1 indicates that the creation, deletion, and application of user security labels are audited.

Default value: 0

Setting method: This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Setting suggestion: Retain the default value. If this parameter is enabled, the system performance may be affected.

audit_internal_event

Parameter description: Specifies whether to audit the logins, logouts, and operations of internal tools cm_agent, gs_clean, and WDRXdb, and whether to audit the logins and logouts from CNs on DNs.

Parameter type: Boolean.

Unit: none

Value range:

  • off: indicates that the logins, logouts, and operations of internal tools CM Agent, gs_clean, and WDRXdb are not audited, and the logins and logouts from CNs are not audited on DNs.
  • on: indicates that the logins, logouts, and operations of internal tools CM Agent, gs_clean, and WDRXdb are audited, and logins and logouts from CNs are audited on DNs.

Default value: off

Setting method: This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Setting suggestion: Retain the default value.

NOTICE:

Communications between internal tools or nodes on the database server also generate audit logs. By default, audit_internal_event is disabled to reduce space occupied by and improve query performance of audit logs.

full_audit_users

Parameter description: Specifies the full audit user list. Audit logs are recorded for all auditable operations performed by users in the list.

This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Value range: a string. Use commas (,) to separate multiple usernames.

Default value: an empty string

no_audit_client

Parameter description: Specifies the names and IP addresses of clients that do not need to be audited. The parameter format is client name@IP address, which is the same as that of the client_conninfo column in the pg_query_audit function, for example, cm_agent@127.0.0.1 or gs_clean@127.0.0.1.

This is a SIGHUP parameter. Set it based on instructions provided in Table 1.

Value range: a character string. Use commas (,) to separate multiple configuration items.

Default value: an empty string

NOTICE:
  • If the executed SQL statement meets the configuration requirements of full_audit_users and no_audit_client, the no_audit_client is preferentially configured.
  • Audit logs are generated for communication among tools or nodes in the database server. To save space occupied by audit logs and improve the query performance of audit logs, the low-risk scenarios cannot be audited by configuring the no_audit_client parameter.

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