NsJail
A lightweight Linux process isolation tool using namespaces, cgroups, rlimits, and seccomp-bpf syscall filters for enhanced security.
What is NsJail?
NsJail is a lightweight process isolation tool for Linux that creates secure sandboxes using namespaces, cgroups, resource limits, and seccomp-bpf syscall filters. It solves the problem of safely running untrusted or potentially malicious code by restricting its access to system resources and the kernel interface. The tool is particularly useful for security testing, challenge hosting, and application sandboxing.
Security researchers, CTF organizers, developers working on fuzzing frameworks, and system administrators needing to isolate applications or services on Linux systems.
Developers choose NsJail for its fine-grained control over Linux security primitives, lightweight design, and flexibility in configuration via Protobuf files. Its integration of multiple isolation techniques into a single tool makes it a powerful alternative to heavier container solutions for specific security use cases.
Overview
A lightweight process isolation tool that utilizes Linux namespaces, cgroups, rlimits and seccomp-bpf syscall filters, leveraging the Kafel BPF language for enhanced security.
Use Cases
Best For
- Hosting isolated networked services for CTF security challenges
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