diff --git a/README.md b/README.md index 5ae227a..f41782f 100644 --- a/README.md +++ b/README.md @@ -81,6 +81,10 @@ unprivileged users and increases security as /sys exposes a lot of information that shouldn't be accessible to unprivileged users. As this will break many things, it is disabled by default and can optionally be enabled by running `systemctl enable hide-hardware-info.service` as root. +/usr/lib/security-misc/hide-hardware-info +/lib/systemd/system/hide-hardware-info.service +/lib/systemd/system/user@.service.d/sysfs.conf +/etc/hide-hardware-info.d/30_default.conf Improve Entropy Collection @@ -155,6 +159,21 @@ prevented by shipping an existing and empty /etc/securetty. (Deletion of /etc/securetty has a different effect.) /etc/securetty.security-misc +* Console Lockdown. +Allow members of group 'console' to use console and members of group 'ssh' +to receive incoming SSH connections. Everyone else except members of group +'console-unrestricted' are restricted from using console using ancient, +unpopular login methods such as using /bin/login over networks, which might +be exploitable. (CVE-2001-0797) Using pam_access. +Not enabled by default in this package since this package does not know which +users shall be added to group 'console' and/or 'ssh' and would break console, +X Window System and ssh login since files in +/usr/share/pam-configs/console-lockdown-security-misc result in modifications +of /etc/pam.d/common-account file which not only applies to /etc/pam.d/login +but also all other services such as /etc/pam.d/ssh. +/usr/share/pam-configs/console-lockdown-security-misc +/etc/security/access-security-misc.conf + Protect Linux user accounts against brute force attacks. Lock user accounts after 50 failed login attempts using pam_tally2. /usr/share/pam-configs/tally2-security-misc @@ -246,6 +265,7 @@ Application specific hardening: * Enables APT seccomp-BPF sandboxing. /etc/apt/apt.conf.d/40sandbox * Deactivates previews in Dolphin. * Deactivates previews in Nautilus. +/usr/share/glib-2.0/schemas/30_security-misc.gschema.override * Deactivates thumbnails in Thunar. * Enables punycode (`network.IDN_show_punycode`) by default in Thunderbird to make phising attacks more difficult. Fixing URL not showing real Domain