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New Sandboxing Features Come To Systemd

systemd

Published on 04 June 2014 10:10 AM EDT
Written by Michael Larabel in systemd
37 Comments

Lennart Poettering has added two new service sandboxing features to systemd.

For improving the security of Linux services, Lennart added ReadOnlySystem and ProtectedHome settings for services. ReadOnlySystem will mount /usr and /boot as read-only for the specific service. The ProtectedHome setting mounts /home and /run/user as read-only or replaces it with an empty, inaccessible directory.

Lennart wrote on Google+, "With these easy options we hence can make sure now that specific services don't get the chance to modify the operating system itself, or to get access to the user's personal data. I have also now enabled this functionality for all of systemd's own long-running services. Of course, ideally we get all of Fedora to enable these settings for all long-running services. This should improve our security quite a bit by default, in particular for network-facing services."

These new service unit security features were commited to systemd Git yesterday and will be part of the systemd 214 release.

About The Author
Michael Larabel is the principal author of Phoronix.com and founded the web-site in 2004 with a focus on enriching the Linux hardware experience and being the largest web-site devoted to Linux hardware reviews, particularly for products relevant to Linux gamers and enthusiasts but also commonly reviewing servers/workstations and embedded Linux devices. Michael has written more than 10,000 articles covering the state of Linux hardware support, Linux performance, graphics hardware drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated testing software. He can be followed via and or contacted via .
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