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[GH-ISSUE #2888] Warning - networking feature is disabled in Firejail configuration file @ Opera #1804

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opened 2026-05-05 08:28:38 -06:00 by gitea-mirror · 6 comments

gitea-mirror commented

2026-05-05 08:28:38 -06:00

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Originally created by @ghost on GitHub (Aug 4, 2019).
Original GitHub issue: https://github.com/netblue30/firejail/issues/2888

Hi!

When I run opera with firejail command in terminal, terminal shows me:

Warning: networking feature is disabled in Firejail configuration file

Internet is working in Opera Browser.

How can I fix that?

Originally created by @ghost on GitHub (Aug 4, 2019). Original GitHub issue: https://github.com/netblue30/firejail/issues/2888 Hi! When I run opera with firejail command in terminal, terminal shows me: Warning: networking feature is disabled in Firejail configuration file Internet is working in Opera Browser. How can I fix that?

gitea-mirror

2026-05-05 08:28:38 -06:00

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gitea-mirror commented

2026-05-05 08:28:41 -06:00

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@ghost commented on GitHub (Aug 4, 2019):

# firejail --dns=127.0.0.1 opera

Warning: networking feature is disabled in Firejail configuration file

@ghost commented on GitHub (Aug 4, 2019): ``` # firejail --dns=127.0.0.1 opera Warning: networking feature is disabled in Firejail configuration file ```

gitea-mirror commented

2026-05-05 08:28:43 -06:00

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@Vincent43 commented on GitHub (Aug 4, 2019):

This may be caused by restricted-network yes in /etc/firejail/firejail.config. I think it doesn't affect --dns option so you may ignore it. If for some reason you want to get rid of that message, please set restricted-network yes in above config file.

@Vincent43 commented on GitHub (Aug 4, 2019): This may be caused by `restricted-network yes` in [/etc/firejail/firejail.config](https://github.com/netblue30/firejail/blob/b9fe3cca6a0921d35d919f234e3f9faf7910ce3f/etc/firejail.config#L96). I think it doesn't affect `--dns` option so you may ignore it. If for some reason you want to get rid of that message, please set `restricted-network yes` in above config file.

gitea-mirror commented

2026-05-05 08:28:44 -06:00

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@ghost commented on GitHub (Aug 4, 2019):

I set
restricted-network no

and the error is gone in terminal (output)

Can I leave it to 'no' or better to yes?

My internet is working with both: 'yes+no'

@ghost commented on GitHub (Aug 4, 2019): I set restricted-network no and the error is gone in terminal (output) Can I leave it to 'no' or better to yes? My internet is working with both: 'yes+no'

gitea-mirror commented

2026-05-05 08:28:44 -06:00

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@rusty-snake commented on GitHub (Aug 4, 2019):

firejail.config:

# Enable or disable restricted network support, default disabled. If enabled,
# networking features should also be enabled (network yes).
# Restricted networking grants access to --interface, --net=ethXXX and
# --netfilter only to root user. Regular users are only allowed --net=none.

restricted-network = yes means that a normal use can't use --interface, --eth (except of --net=none) and --netfilter. If you need no one of this, you can set it to yes without issues (and harden your system a little bit more).

@rusty-snake commented on GitHub (Aug 4, 2019): firejail.config: ``` # Enable or disable restricted network support, default disabled. If enabled, # networking features should also be enabled (network yes). # Restricted networking grants access to --interface, --net=ethXXX and # --netfilter only to root user. Regular users are only allowed --net=none. ``` `restricted-network = yes` means that a normal use can't use `--interface`, `--eth` (except of `--net=none`) and `--netfilter`. If you need no one of this, you can set it to yes without issues (and harden your system a little bit more).

gitea-mirror commented

2026-05-05 08:28:45 -06:00

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@ghost commented on GitHub (Aug 4, 2019):

I set it back to 'yes'...

Thanks for the help. :-)

@ghost commented on GitHub (Aug 4, 2019): I set it back to 'yes'... Thanks for the help. :-)

gitea-mirror commented

2026-05-05 08:28:46 -06:00

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@ghost commented on GitHub (Aug 4, 2019):

(SOLVED)

@ghost commented on GitHub (Aug 4, 2019): (SOLVED)

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Reference: github-starred/firejail#1804

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