## Copyright (C) 2012 - 2019 ENCRYPTED SUPPORT LP ## See the file COPYING for copying conditions. ## File permission hardening. ## ## Syntax: ## [filename] [mode] [owner] [group] [capability] ## ## To remove all SUID/SGID binaries in a directory, you can use the "nosuid" ## argument. ## /home/ 0755 root root /home/user/ 0700 user user /root/ 0700 root root /boot/ 0700 root root /etc/permission-hardening.conf 0600 root root ## Remove all SUID/SGID binaries/libraries. /bin/ nosuid /usr/bin/ nosuid /usr/local/bin/ nosuid /sbin/ nosuid /usr/sbin/ nosuid /usr/local/sbin/ nosuid /lib/ nosuid /lib32/ nosuid /lib64/ nosuid /usr/lib/ nosuid /usr/lib32/ nosuid /usr/lib64/ nosuid /usr/local/lib/ nosuid /usr/local/lib32/ nosuid /usr/local/lib64/ nosuid ## SUID whitelist. /usr/bin/sudo 4755 root root /usr/bin/bwrap 4755 root root /usr/lib/policykit-1/polkit-agent-helper-1 4755 root root /usr/lib/dbus-1.0/dbus-daemon-launch-helper 4754 root messagebus /usr/lib/spice-gtk/spice-client-glib-usb-acl-helper 4755 root root /usr/lib/x86_64-linux-gnu/utempter/utempter 2755 root utmp