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[GH-ISSUE #1991] webcam works in Firefox although --private-dev was set #1343

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opened 2026-05-05 07:54:17 -06:00 by gitea-mirror · 3 comments

gitea-mirror commented

2026-05-05 07:54:17 -06:00

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Originally created by @akhal3d96 on GitHub (Jun 12, 2018).
Original GitHub issue: https://github.com/netblue30/firejail/issues/1991

In issue #745 --private-dev was supposed to disable webcam but it works normally as if it wasn't set

Originally created by @akhal3d96 on GitHub (Jun 12, 2018). Original GitHub issue: https://github.com/netblue30/firejail/issues/1991 In issue #745 `--private-dev` was supposed to disable webcam but it works normally as if it wasn't set

gitea-mirror

2026-05-05 07:54:17 -06:00

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gitea-mirror commented

2026-05-05 07:54:21 -06:00

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@chiraag-nataraj commented on GitHub (Jun 12, 2018):

This is actually true of guvcview as well. I wonder if it's because it's calling to an outside library (libv4l{1,2}) rather than enumerating the devices itself?

@chiraag-nataraj commented on GitHub (Jun 12, 2018): This is actually true of `guvcview` as well. I wonder if it's because it's calling to an outside library (`libv4l{1,2}`) rather than enumerating the devices itself?

gitea-mirror commented

2026-05-05 07:54:23 -06:00

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@chiraag-nataraj commented on GitHub (Jun 12, 2018):

Oh wait.../dev/video0 is whitelisted in private-dev. Add novideo in the profile (or --novideo on the commandline) to disable the video devices.

@chiraag-nataraj commented on GitHub (Jun 12, 2018): Oh wait...`/dev/video0` is whitelisted in `private-dev`. Add `novideo` in the profile (or `--novideo` on the commandline) to disable the video devices.

gitea-mirror commented

2026-05-05 07:54:25 -06:00

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@Fred-Barclay commented on GitHub (Jun 12, 2018):

Just to add to @chiraag-nataraj ...
private-dev did originally block video devices. They were allowed in 328d523ed62dfcdb205580ce7c126813b592cb7, and the option to block them with novideo added in https://github.com/netblue30/firejail/pull/1296.

@Fred-Barclay commented on GitHub (Jun 12, 2018): Just to add to @chiraag-nataraj ... `private-dev` did originally block video devices. They were allowed in 328d523ed62dfcdb205580ce7c126813b592cb7, and the option to block them with `novideo` added in https://github.com/netblue30/firejail/pull/1296.

gitea-mirror referenced this issue

2026-05-05 10:10:22 -06:00

[PR #1343] [MERGED] Fix typo in usage example command #3920

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Reference: github-starred/firejail#1343

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