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[GH-ISSUE #7053] Split `noaudio` to `nosound` and `nomic` #3466

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opened 2026-05-05 10:00:56 -06:00 by gitea-mirror · 2 comments

gitea-mirror commented

2026-05-05 10:00:56 -06:00

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Originally created by @ghost on GitHub (Feb 2, 2026).
Original GitHub issue: https://github.com/netblue30/firejail/issues/7053

I don't trust browser (Firefox) thus I firejail it with bunch of rules. One thing I am mising is noaudio because if I use it I would not watch any video with sound. But I want to restrict only microphone capability. Currently your software restrict both in/out with this rule. Consider separating into two, so the user can have more precise control?

rule.conf;

# block out audio
nosound
# block microphone (audio-in)
#  nomic
#  (or nomicrophone?)

Describe the solution you'd like

Set noaudio and lose any audio output :-(

Describe alternatives you've considered

N/A

Additional context

N/A

Environment

Name/version of the Linux distribution (e.g. "Ubuntu 20.04" or "Arch Linux"): Debian 13
Version of Firejail (firejail --version): version 0.9.74
If you use a development version of firejail, also the commit from which it:
was compiled (git rev-parse HEAD):

Originally created by @ghost on GitHub (Feb 2, 2026). Original GitHub issue: https://github.com/netblue30/firejail/issues/7053 ### Is your feature request related to a problem? Please describe. I don't trust browser (Firefox) thus I firejail it with bunch of rules. One thing I am mising is `noaudio` because if I use it I would not watch any video with sound. But I want to restrict only microphone capability. Currently your software restrict both in/out with this rule. Consider separating into two, so the user can have more precise control? rule.conf; ``` # block out audio nosound # block microphone (audio-in) # nomic # (or nomicrophone?) ``` ### Describe the solution you'd like Set `noaudio` and lose any audio output :-( ### Describe alternatives you've considered N/A ### Additional context N/A ### Environment - Name/version of the Linux distribution (e.g. "Ubuntu 20.04" or "Arch Linux"): Debian 13 - Version of Firejail (`firejail --version`): version 0.9.74 - If you use a development version of firejail, also the commit from which it: was compiled (`git rev-parse HEAD`):

gitea-mirror added the

enhancement

label 2026-05-05 10:00:56 -06:00

gitea-mirror commented

2026-05-05 10:00:58 -06:00

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@rusty-snake commented on GitHub (Feb 2, 2026):

Does anyone have an idea for a technical solution? Otherwise we can close IMHO.

@rusty-snake commented on GitHub (Feb 2, 2026): Does anyone have an idea for a technical solution? Otherwise we can close IMHO.

gitea-mirror commented

2026-05-05 10:00:59 -06:00

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@ghost commented on GitHub (Feb 14, 2026):

technical solution

DYM:

void disable_sound() {
system("amixer set Master mute");
system("amixer -D pulse set Master mute");
}

disable_microphone() {
system("amixer set Capture nocap");
system("amixer -D pulse set Capture nocap");
}

@ghost commented on GitHub (Feb 14, 2026): > technical solution DYM: ``` void disable_sound() { system("amixer set Master mute"); system("amixer -D pulse set Master mute"); } disable_microphone() { system("amixer set Capture nocap"); system("amixer -D pulse set Capture nocap"); } ```

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Reference: github-starred/firejail#3466

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[GH-ISSUE #7053] Split noaudio to nosound and nomic #3466

Is your feature request related to a problem? Please describe.

Describe the solution you'd like

Describe alternatives you've considered

Additional context

Environment

[GH-ISSUE #7053] Split `noaudio` to `nosound` and `nomic` #3466