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# Firejail
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.
Firejail can work in a SELinux or AppArmor environment, and it is integrated with Linux Control Groups.
Written in C with virtually no dependencies, the software runs on any Linux computer with a 3.x kernel
version or newer. It can sandbox any type of processes: servers, graphical applications, and even
user login sessions. The software includes sandbox profiles for a number of more common Linux programs,
such as Mozilla Firefox, Chromium, VLC, Transmission etc.
The sandbox is lightweight, the overhead is low. There are no complicated configuration files to edit,
no socket connections open, no daemons running in the background. All security features are
implemented directly in Linux kernel and available on any Linux computer. To start the sandbox,
prefix your command with “firejail”:
`````
$ firejail firefox # starting Mozilla Firefox
$ firejail transmission-gtk # starting Transmission BitTorrent
$ firejail vlc # starting VideoLAN Client
$ sudo firejail /etc/init.d/nginx start
`````
Project webpage: https://firejail.wordpress.com/
Download and Installation: https://firejail.wordpress.com/download-2/
Features: https://firejail.wordpress.com/features-3/
Documentation: https://firejail.wordpress.com/documentation-2/
FAQ: https://firejail.wordpress.com/support/frequently-asked-questions/
`````
`````
## User submitted profile repositories
If you keep your Firejail profiles in a public repository, please give us a link:
* https://github.com/chiraag-nataraj/firejail-profiles
* https://github.com/triceratops1/fe
Use this issue to request new profiles: https://github.com/netblue30/firejail/issues/825
`````
`````
# Current development version: 0.9.45
`````
`````
## AppImage
Added AppImage type 2 support, and support for passing command line arguments to appimages.
`````
`````
## New command line options
`````
--private-opt=file,directory
Build a new /opt in a temporary filesystem, and copy the files
and directories in the list. If no listed file is found, /opt
directory will be empty. All modifications are discarded when
the sandbox is closed.
Example:
$ firejail --private-opt=firefox /opt/firefox/firefox
--private-srv=file,directory
Build a new /srv in a temporary filesystem, and copy the files
and directories in the list. If no listed file is found, /srv
directory will be empty. All modifications are discarded when
the sandbox is closed.
Example:
# firejail --private-srv=www /etc/init.d/apache2 start
--machine-id
Spoof id number in /etc/machine-id file - a new random id is
generated inside the sandbox.
Example:
$ firejail --machine-id
--allow-private-blacklist
Allow blacklisting files in private home directory. By default
these blacklists are disabled.
Example:
$ firejail --allow-private-blacklist --private=~/priv-dir
--blacklist=~/.mozilla
--hosts-file=file
Use file as /etc/hosts.
Example:
$ firejail --hosts-file=~/myhosts firefox
--writable-var-log
Use the real /var/log directory, not a clone. By default, a
tmpfs is mounted on top of /var/log directory, and a skeleton
filesystem is created based on the original /var/log.
Example:
$ sudo firejail --writable-var-log
`````
## New Profiles
xiphos, Tor Browser Bundle, display (imagemagik), Wire, mumble, zoom, Guayadeque, qemu, keypass2,
amarok, ark, atool, bleachbit, brasero, dolphin, dragon, elinks, enchant, exiftool, file-roller, gedit,
gjs, gnome-books, gnome-clocks, gnome-documents, gnome-maps, gnome-music, gnome-photos, gnome-weather,
goobox, gpa, gpg, gpg-agent, highlight, img2txt, k3b, kate, lynx, mediainfo, nautilus, odt2txt, pdftotext,
simple-scan, skanlite, ssh-agent, tracker, transmission-cli, transmission-show, w3m, xfburn, xpra, wget,
xed, pluma, Cryptocat, Bless, Gnome 2048, Gnome Calculator, Gnome Contacts, JD-GUI, Lollypop, MultiMC5,
PDFSam, Pithos, Xonotic, wireshark, keepassx2, QupZilla, FossaMail, Uzbl browser, xmms
|
