Comparison of secureblue with Kicksecure and Development Notes

Kicksecure ™

Download

On Computer USB Installation Debian morph to Kicksecure Windows (VM) Linux (VM) Mac (VM) VirtualBox (VM) KVM (VM) Qubes (VM) More options Source Code

About

Overview Features Why Open Source? Project Activities Contributors Mission & Vision

Docs

Documentation FAQ Troubleshooting

Community

Forums Forum Best Practices Contribute

Support

Self Support First Policy Search Engines, Docs and AI Support (Limited) Reporting Bugs Contact (Restricted)

Tools Upload file Special pages Recent changes Print VersionDebug Helper Page meta What links here Related changes Page information

Page Read Edit History Move Protection Unwatch Watch Delete Purge

User Preferences Watchlist Contributions Logout Create account Login

Donate

TODO

Documentation for this is incomplete. Contributions are happily considered! See this for potential alternatives.

https://github.com/secureblue/secureblue

Quote secureblue README.md as of Nov 30, 2024, commit hash e40b70df06a30c3a2d99f337f3cbfe3d5a54aa83.

Hardening Copy or share this direct link! Click = Copy Copied to clipboard! https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965#Hardening Click below ↴ = Copy to Clipboard Click = Copy Copied to clipboard! [[Dev%2Fsecureblue#Hardening|Hardening]]
Copy as Wikitext Click = Copy Copied to clipboard! [Hardening](https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965#Hardening)
for Discourse, reddit, GitHub Click = Copy Copied to clipboard! [Hardening](https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965#Hardening)
Copy as Markdown Click = Copy Copied to clipboard! [url=https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965#Hardening]Hardening[/url]
Copy as phpBB Click below ↴ = Open social URL with share data We don't use embedded scripts This share button is completely self-hosted by this webserver. No scripts from any of the social networks are embedded on this webserver. See also Social Share Button.

- Installing and enabling [hardened_malloc](https://github.com/GrapheneOS/hardened_malloc) globally, including for flatpaks. ^{[Thanks to rusty-snake's spec](https://github.com/rusty-snake/fedora-extras)}

- Installing [hardened-chromium](https://github.com/secureblue/hardened-chromium), which is inspired by [Vanadium](https://github.com/GrapheneOS/Vanadium). ^{[Why chromium?](https://grapheneos.org/usage#web-browsing) [Why not flatpak chromium?](https://forum.vivaldi.net/post/669805)} - Setting numerous hardened sysctl values ^{[details](https://github.com/secureblue/secureblue/blob/live/files/system/etc/sysctl.d/hardening.conf)} - Remove SUID-root from [numerous binaries](https://github.com/secureblue/secureblue/blob/live/files/scripts/removesuid.sh) and replace functionality [using capabilities](https://github.com/secureblue/secureblue/blob/live/files/system/usr/bin/setcapsforunsuidbinaries) - Disable Xwayland by default (for GNOME, Plasma, and Sway images) - Mitigation of [LD_PRELOAD attacks](https://github.com/Aishou/wayland-keylogger) via `ujust toggle-bash-environment-lockdown` - Disabling coredumps - Disabling all ports and services for firewalld - Adds per-network MAC randomization - Blacklisting numerous unused kernel modules to reduce attack surface ^{[details](https://github.com/secureblue/secureblue/blob/live/files/system/etc/modprobe.d/blacklist.conf)} - Enabling only the [flathub-verified](https://flathub.org/apps/collection/verified/1) remote by default - Sets numerous hardening kernel arguments (Inspired by [Madaidan's Hardening Guide](https://madaidans-insecurities.github.io/guides/linux-hardening.html)) ^{[details](KARGS.md)} - Require wheel user authentication via polkit for `rpm-ostree install` ^{[why?](https://github.com/rohanssrao/silverblue-privesc) - Brute force protection by locking user accounts for 24 hours after 50 failed login attempts, hardened password encryption and password quality suggestions - Installing usbguard and providing `ujust` commands to automatically configure it - Installing bubblejail for additional sandboxing tooling - Set opportunistic DNSSEC and DNSOverTLS for systemd-resolved - Configure chronyd to use Network Time Security (NTS) [using chrony config from GrapheneOS](https://github.com/GrapheneOS/infrastructure/blob/main/chrony.conf) - Disable KDE GHNS by default [why?](https://blog.davidedmundson.co.uk/blog/kde-store-content/) - Disable install & usage of GNOME user extensions by default - Use HTTPS for all rpm mirrors - Set all default container policies to `reject`, `signedBy`, or `sigstoreSigned` - Disable a variety of services by default (including cups, geoclue, passim, and others) - Removal of the unmaintained and suid-root fuse2 by default - (Non-userns variants) Disabling unprivileged user namespaces - (Non-userns variants) Replacing bubblewrap with suid-root bubblewrap so flatpak can be used without unprivileged user namespaces}

Footnotes Copy or share this direct link! Click = Copy Copied to clipboard! https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965#Footnotes Click below ↴ = Copy to Clipboard Click = Copy Copied to clipboard! [[Dev%2Fsecureblue#Footnotes|Footnotes]]
Copy as Wikitext Click = Copy Copied to clipboard! [Footnotes](https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965#Footnotes)
for Discourse, reddit, GitHub Click = Copy Copied to clipboard! [Footnotes](https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965#Footnotes)
Copy as Markdown Click = Copy Copied to clipboard! [url=https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965#Footnotes]Footnotes[/url]
Copy as phpBB Click below ↴ = Open social URL with share data We don't use embedded scripts This share button is completely self-hosted by this webserver. No scripts from any of the social networks are embedded on this webserver. See also Social Share Button.

Kicksecure A secure by default operating system with the latest security research in place. Copy or share this direct link! Click = Copy Copied to clipboard! https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965 Click below ↴ = Copy to Clipboard Click = Copy Copied to clipboard! [[Dev%2Fsecureblue|Comparison of secureblue with Kicksecure and Development Notes]]
Copy as Wikitext Click = Copy Copied to clipboard! [Comparison of secureblue with Kicksecure and Development Notes](https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965)
for Discourse, reddit, GitHub Click = Copy Copied to clipboard! [Comparison of secureblue with Kicksecure and Development Notes](https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965)
Copy as Markdown Click = Copy Copied to clipboard! [url=https://www.kicksecure.com/wiki/Dev%2Fsecureblue?direction=next&oldid=88965]Comparison of secureblue with Kicksecure and Development Notes[/url]
Copy as phpBB Click below ↴ = Open social URL with share data We don't use embedded scripts This share button is completely self-hosted by this webserver. No scripts from any of the social networks are embedded on this webserver. See also Social Share Button.

Dark mode

Follow us on social media

Supported by Power Up Privacy

Kicksecure is proudly supported until 2025 by Power Up Privacy, a privacy advocacy group that seeks to supercharge privacy projects with resources so they can complete their mission of making our world a better place. (Strictly subject to our sponsorship policy.)

At Kicksecure we value freedom and trust, supporting Open Source and Freedom Software

By using this website, you acknowledge you have read, understood, and agree to be bound by these agreements: Terms of Service, Privacy Policy, Cookie Policy, E-Sign Consent, DMCA, Imprint 2012- 2025 ENCRYPTED SUPPORT LLC

Your support makes
all the difference!

We believe security software like Kicksecure needs to remain Open Source and independent. Would you help sustain and grow the project? Learn more about our 12 year success story and maybe DONATE!