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Sandboxing services with Landlock (asg2025)

8d ago 25:01

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Landlock is an unprivileged kernel feature that enables all Linux users to sandbox their processes. Complementary to seccomp, developers can leverage Landlock to restrict their programs in a fine-grained way. While Landlock can be used by end users through sandboxer tools, there is currently no well-integrated solution to define security policies tailored to system services. Although AppArmor and seccomp security policies can already be tied to a system unit, we aim to provide a more dynamic, standalone, and unprivileged option with Landlock. In this talk, we'll briefly explain what Landlock is and highlight its differences from other Linux security features (e.g., namespaces, seccomp, other LSMs). We'll then focus on the new configuration format we are designing for Landlock security policies, its characteristics, and how it could extend systemd units by taking into account runtime context (e.g., XDG variables). Licensed to the public under https://creativecommons.org/licenses/by/4.0/de/ about this event: https://cfp.all-systems-go.io/all-systems-go-2025/talk/FXWDCF/

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1976 episodes

#Tech #Ccc Congress Hacking Security Netzpolitik #Germany #CCC media team #Video

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Sandboxing services with Landlock (asg2025)

Chaos Computer Club - recent events feed (high quality)

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published 8d ago

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MP4•Episode home

Content provided by CCC media team. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by CCC media team or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://player.fm/legal.

Landlock is an unprivileged kernel feature that enables all Linux users to sandbox their processes. Complementary to seccomp, developers can leverage Landlock to restrict their programs in a fine-grained way. While Landlock can be used by end users through sandboxer tools, there is currently no well-integrated solution to define security policies tailored to system services. Although AppArmor and seccomp security policies can already be tied to a system unit, we aim to provide a more dynamic, standalone, and unprivileged option with Landlock. In this talk, we'll briefly explain what Landlock is and highlight its differences from other Linux security features (e.g., namespaces, seccomp, other LSMs). We'll then focus on the new configuration format we are designing for Landlock security policies, its characteristics, and how it could extend systemd units by taking into account runtime context (e.g., XDG variables). Licensed to the public under https://creativecommons.org/licenses/by/4.0/de/ about this event: https://cfp.all-systems-go.io/all-systems-go-2025/talk/FXWDCF/

… continue reading

1976 episodes

#Tech #Ccc Congress Hacking Security Netzpolitik #Germany #CCC media team #Video

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