cyberstrikeus 2.2.5 Ensure LDAP server is not installed (Automated)
Profile
- Level 1 - Server
- Level 1 - Workstation
Description
The Lightweight Directory Access Protocol (LDAP) was introduced as a replacement for NIS/YP. It is a service that provides a method for looking up information from a central database.
Rationale
If the system will not need to act as an LDAP server, it is recommended that the software be removed to reduce the potential attack surface.
Audit Procedure
Command Line
Run the following command to verify slapd is not installed:
# dpkg-query -s slapd &>/dev/null && echo "slapd is installed"
Nothing should be returned.
Expected Result
No output (empty result).
Remediation
Command Line
Run one of the following commands to remove slapd:
# apt purge slapd
References
- For more detailed documentation on OpenLDAP, go to the project homepage at http://www.openldap.org.
- NIST SP 800-53 Rev. 5: CM-7
CIS Controls
- v8: 4.8 - Uninstall or Disable Unnecessary Services on Enterprise Assets and Software
- v7: 9.2 - Ensure Only Approved Ports, Protocols and Services Are Running