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Firejail

Security sandbox for restricting untrusted applications on Linux

Security linux C GPL-2.0

Description

Firejail is a SUID program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces and seccomp-bpf. It provides sandboxing with minimal configuration.

AI Summary

Security sandbox that restricts untrusted applications using Linux namespaces and seccomp-bpf

Capabilities

  • + Sandbox untrusted applications
  • + Restrict filesystem access
  • + Limit network access for applications
  • + Use Linux namespaces for isolation
  • + Apply seccomp-bpf filters

Use When

  • When running untrusted applications securely
  • When sandboxing browser or other network-facing apps

Avoid When

  • x On non-Linux platforms
View AGENTS.md for Firejail