Tech riderRev. 30 Sept 2026

Firejail

Ch 146.8of 22 Sandbox Software

1Runs onLinux, self-hosted
2CostsFree plan
3Isolation methodcontainer
4Persistent storageYes
5Network controlsYes
6API or CLI accessYes
7Deploymentself hosted

7 lines stated Written from the maker's own pages: firejail.wordpress.com

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Overview

Firejail is ranked #14 of 22 in sandbox software on Specifiction. It runs on Linux, Self-hosted. There is a free plan.

Firejail plans and pricing

All plans

Firejail community project Free Linux desktop focus · GPL v2 · no commercial goals firejail.wordpress.com · 30 Sept 2026

Compared on sandbox software

Free plan: Yesfirejail.wordpress.com
Isolation method: containerfirejail.wordpress.com
Persistent storage: Yesfirejail.wordpress.com
Network controls: Yesfirejail.wordpress.com
API or CLI access: Yesfirejail.wordpress.com
Deployment: self_hostedfirejail.wordpress.com

Facts

Sandboxing: Firejail is a SUID program that restricts untrusted applications using Linux namespaces and seccomp-bpf.firejail.wordpress.com · 30 Sept 2026
Kernel support: The software runs on Linux computers with a 3.x kernel version or newer.firejail.wordpress.com · 30 Sept 2026
Process isolation: Sandboxed processes receive private views of shared kernel resources including the network, process, and mount tables.firejail.wordpress.com · 30 Sept 2026
Application coverage: Firejail can sandbox servers, graphical applications, and user login sessions.firejail.wordpress.com · 30 Sept 2026
Security controls: Security filters include seccomp-bpf, communication protocol filtering, noroot user namespaces, Linux capabilities, D-BUS filtering, and optional AppArmor or SELinux support.firejail.wordpress.com · 30 Sept 2026
Access control: Mandatory Access Control blocks access to passwords, encryption keys, and private data for more than 1000 desktop applications.firejail.wordpress.com · 30 Sept 2026
Security profiles: More than 1000 application profiles are available by default in /etc/firejail.firejail.wordpress.com · 30 Sept 2026
Network isolation: Firejail can create an isolated TCP/IP stack with its own routing table, firewall, and interfaces.firejail.wordpress.com · 30 Sept 2026
Network monitoring: The software can inspect network traffic with its nettrace feature for analyzing and monitoring application behavior.firejail.wordpress.com · 30 Sept 2026
AppImage support: Firejail natively supports AppImage packages through the --appimage option.firejail.wordpress.com · 30 Sept 2026
GUI companion: Firetools is a Qt5 graphical interface providing a sandbox launcher, system-tray integration, editing, management, and statistics.firejail.wordpress.com · 30 Sept 2026
DNS companion: FDNS is a DNS-over-HTTPS proxy that uses DoH services from non-logging providers.firejail.wordpress.com · 30 Sept 2026
Desktop integration: Running sudo firecfg integrates Firejail with application menus and file-manager launches.firejail.wordpress.com · 30 Sept 2026
Target users: The project identifies home users and Linux beginners as its target market and describes Firejail as a consumer product rather than an enterprise product.firejail.wordpress.com · 30 Sept 2026
Support: The project directs support questions to its GitHub wiki and asks users to report security bugs by email.firejail.wordpress.com · 30 Sept 2026