======2.3.5 Ensure LDAP client is not installed (Scored)====== =====Profile Applicability===== 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 client, it is recommended that the software be removed to reduce the potential attack surface.. =====Audit===== Run the following commands to verify ''ldap-utils'' is not installed: dpkg -s ldap-utils =====Remediation===== Run the following command to uninstall ''ldap-utils'': apt-get remove ldap-utils =====Impact===== Removing the LDAP client will prevent or inhibit using LDAP for authentication in your environment.