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update TODO

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Lennart Poettering 2022-03-21 18:11:12 +01:00
parent 7659e52397
commit f5d0f21c37
1 changed files with 11 additions and 0 deletions
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@ -78,6 +78,17 @@ Janitorial Clean-ups:
Features:
* per-service sandboxing option: ProtectIds=. If used, will overmount
/etc/machine-id and /proc/sys/kernel/random/boot_id with synthetic files, to
make it harder for the service to identify the host. Depending on the user
setting it should be fully randomized at invocation time, or a hash of the
real thing, keyed by the unit name or so. Of course, there are other ways to
get these IDs (e.g. journal) or similar ids (e.g. MAC addresses, DMI ids, CPU
ids), so this knob would only be useful in combination with other lockdown
options. Particularly useful for portable services, and anything else that
uses RootDirectory= or RootImage=. (Might also over-mount
/sys/class/dmi/id/*{uuid,serial} with /dev/null).
* journalctl/timesyncd: whenever timesyncd acquires a synchronization from NTP,
create a structured log entry that contains boot ID, monotonic clock and
realtime clock (I mean, this requires no special work, as these three fields