Difference between revisions of "Firejail"

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[https://github.com/netblue30/firejail Firejail] is a very easy to use piece of software, initially developed to make Firefox more secure by isolating it (putting it in a sandbox) from the rest of your system. Firejail has developed beyond that & can be used simultaneously on many parts of your system. It is worth reading about on Firejail site (linked to above).

[https://github.com/netblue30/firejail Firejail] is a very easy to use piece of software, initially developed to make Firefox more secure by isolating it (putting it in a sandbox) from the rest of your system. Firejail has developed beyond that & can be used simultaneously on many parts of your system. It is worth reading about on Firejail site (linked to above).

From the Github page:

From the Github page:

<blockquote>Firejail is a SUID sandbox program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces, seccomp-bpf and Linux capabilities. It allows a process and all its descendants to have their own private view of the globally shared kernel resources, such as the network stack, process table, mount table.</blockquote>

<blockquote>Firejail is a SUID sandbox program that reduces the risk of security breaches by restricting the running environment of untrusted applications using Linux namespaces, seccomp-bpf and Linux capabilities. It allows a process and all its descendants to have their own private view of the globally shared kernel resources, such as the network stack, process table, mount table.</blockquote>

Firejail is available in the repos. Install it using your graphical package manager or with pacman.

Firejail is available in the repos. Install it using your graphical package manager or with pacman.

Simply prefix your command or application with ''firejail''. Example:

Simply prefix your command or application with ''firejail''. Example:

You can even integrate firejail into your whole desktop. Every application you launch will use the firejail sandbox if it is supported by default. To do this use the command

You can even integrate firejail into your whole desktop. Every application you launch will use the firejail sandbox if it is supported by default. To do this use the command

For a list of all supported applications see [https://github.com/netblue30/firejail/blob/master/src/firecfg/firecfg.config here]

For a list of all supported applications see [https://github.com/netblue30/firejail/blob/master/src/firecfg/firecfg.config here]

The firejail team also develops a graphical user interface for firejail called ''firetools''. It is available in the [[Arch User Repository]].

The firejail team also develops a graphical user interface for firejail called ''firetools''. It is available in the [[Arch User Repository]].

You can use the option ''–-net=none'' to ensure firejail does not allow any network access like so:

You can use the option ''–-net=none'' to ensure firejail does not allow any network access like so:

But that option will block local network access, such as access to shared folders. To still have local network access, but block the application from accessing the internet use option ''--protocol=unix''. Example:

But that option will block local network access, such as access to shared folders. To still have local network access, but block the application from accessing the internet use option ''--protocol=unix''. Example:

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