This is a comprehensive guide to hardening OpenLDAP on Linux using AppArmor and systemd, providing a defense in depth approach to securing LDAP deployments. The guide covers the importance of security, the role of AppArmor as a Linux Security Module, and the configuration of AppArmor profiles to restrict permissions and capabilities. It also outlines the environment used, including dedicated machines, Linux distributions, and OpenLDAP configuration. The guide emphasizes the importance of security and the need for multiple layers of defense. It highlights the potential risks of human error, software vulnerabilities, and unauthorized input, and demonstrates how AppArmor can be used to confine and restrict the permissions of OpenLDAP to prevent exploitation. The guide provides a detailed overview of the environment used, including the Linux distributions, OpenLDAP version, and Apache frontend configuration. It also touches on the use of Unix Domain Sockets and LDAPI with SASL/EXTERNAL. Overall, this guide provides a comprehensive and detailed approach to securing OpenLDAP deployments on Linux, and is a valuable resource for security professionals and system administrators.
FEATURES
ALTERNATIVES
BPF+ is a generalized packet filter framework that achieves both high-level expressiveness and good performance for network monitoring and intrusion detection applications.
Utilizing SIEM, SOAR, and EDR technologies to enhance security operations with a focus on reducing incident response time.
A comprehensive Windows command-line reference guide for security professionals, system administrators, and incident responders.
The Cloudflare Learning Center provides educational resources covering various cybersecurity and internet-related topics, including DDoS attacks, CDNs, DNS, web application security, serverless computing, encryption protocols, bots, cloud computing, Zero Trust security, SASE, networking, data privacy, video streaming, email security, and AI.
A comprehensive PowerShell cheat sheet covering various tasks and techniques for file management, process management, network operations, and system administration.
SecTemplates offers free, comprehensive security program templates and resources for infosec professionals and startups lacking dedicated security teams.
APFS is a proprietary file system developed by Apple for macOS, offering improved performance, security, and reliability.
A comprehensive guide for computer security incident handling, providing guidelines for establishing incident response capabilities and handling incidents efficiently and effectively.
PINNED

Mandos Brief Newsletter
A weekly newsletter providing cybersecurity leadership insights, industry updates, and strategic guidance for security professionals advancing to management positions.

PTJunior
An AI-powered penetration testing platform that autonomously discovers, exploits, and documents vulnerabilities while generating NIST-compliant reports.

OSINTLeak
OSINTLeak is a tool for discovering and analyzing leaked sensitive information across various online sources to identify potential security risks.

ImmuniWeb® Discovery
ImmuniWeb Discovery is an attack surface management platform that continuously monitors an organization's external digital assets for security vulnerabilities, misconfigurations, and threats across domains, applications, cloud resources, and the dark web.

Checkmarx SCA
A software composition analysis tool that identifies vulnerabilities, malicious code, and license risks in open source dependencies throughout the software development lifecycle.

Orca Security
A cloud-native application protection platform that provides agentless security monitoring, vulnerability management, and compliance capabilities across multi-cloud environments.

DryRun
A GitHub application that performs automated security code reviews by analyzing contextual security aspects of code changes during pull requests.