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LFCS · Question #146

Which of the following is the most appropriate method of debugging problems concerning ACLs?

The correct answer is A. Stop the OpenLDAP server daemon and run the command slapd -d 128. To debug Access Control List (ACL) issues in OpenLDAP, the server should be restarted with the debug level 128 to specifically enable logging for ACL processing.

Submitted by anna_se· Apr 18, 2026Operation of Running Systems

Question

Which of the following is the most appropriate method of debugging problems concerning ACLs?

Options

  • AStop the OpenLDAP server daemon and run the command slapd -d 128.
  • BStop the OpenLDAP server daemon and run the command slapd -d 32.
  • CStop the OpenLDAP server daemon and run the command slapd -log_acl.
  • DStop the OpenLDAP server daemon and run the command slapd -debug_acl.

How the community answered

(35 responses)
  • A
    94% (33)
  • B
    3% (1)
  • C
    3% (1)

Why each option

To debug Access Control List (ACL) issues in OpenLDAP, the server should be restarted with the debug level 128 to specifically enable logging for ACL processing.

AStop the OpenLDAP server daemon and run the command slapd -d 128.Correct

Running `slapd` with the `-d 128` option enables verbose debugging output specifically for Access Control List (ACL) processing, providing detailed information on how ACLs are being evaluated and applied, which is critical for troubleshooting access issues.

BStop the OpenLDAP server daemon and run the command slapd -d 32.

The `-d 32` option typically enables logging for configuration file processing and schema checking, not specifically for ACL debugging.

CStop the OpenLDAP server daemon and run the command slapd -log_acl.

There is no standard `slapd` command-line option called `-log_acl` for debugging ACLs; debugging levels are specified numerically with `-d`.

DStop the OpenLDAP server daemon and run the command slapd -debug_acl.

There is no standard `slapd` command-line option called `-debug_acl` for debugging ACLs; debugging levels are specified numerically with `-d`.

Concept tested: OpenLDAP ACL debugging

Source: https://www.openldap.org/doc/admin24/appendix-a.html

Topics

#OpenLDAP#Debugging#ACLs#slapd command

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