Source URL: https://github.com/Zouuup/landrun
Source: Hacker News
Title: Landrun: Sandbox any Linux process using Landlock, no root or containers
Feedly Summary: Comments
AI Summary and Description: Yes
Summary: The text discusses a lightweight and secure sandboxing tool called Landrun, built on the Landlock LSM introduced in Linux. This tool provides advanced access control features for Linux processes, focusing on kernel-level security and fine-grained permissions, making it particularly relevant for professionals in security, compliance, and software development.
Detailed Description:
Landrun leverages Linux’s Landlock LSM to create a robust sandboxing environment designed to enhance security by restricting process capabilities in a fine-grained manner. This project is particularly significant due to several key features, which make it valuable for security and compliance professionals:
– **Kernel-level Security**: Utilizes the Landlock LSM, which adds an additional layer of security directly at the kernel level.
– **Lightweight Execution**: Designed to have minimal overhead while providing effective security measures, ensuring fast performance.
– **Fine-grained Access Control**: Implements detailed control over file system and network access, allowing extensive customization of permissions for processes.
– **Compatibility**: Requires Linux kernel version 5.13 or later for basic functionalities and 6.8 or later for network restrictions—this specificity helps professionals ensure that their environments meet the prerequisites for full functionality.
– **TCP Network Access Control**: Users can restrict the process’s ability to bind to and connect to specific TCP ports, enhancing network security.
Key Features:
– Supports read/write permissions and execution control for specific paths.
– Optional best-effort mode that allows for graceful degradation on systems with older kernels.
– Configurable logging levels for better monitoring and diagnostics.
– Process isolation, minimizing potential threats from applications or processes that may behave maliciously.
Future Development Plans:
– Enhanced filesystem controls and network protocol support (UDP).
– Additional security features as the Landlock API evolves, indicating a commitment to maintaining up-to-date defenses against emerging threats.
The Landrun tool is particularly relevant for developers and systems administrators looking to improve the security posture of their applications by utilizing sophisticated control measures available in modern Linux kernels. Its adherence to current best practices in security governance reinforces the need for organizations to adopt such technologies in their security frameworks.