Merge pull request #180 from YunoHost/improve-systemd-security

Improve systemd hardening
YunoHost · Nov 20, 2022 · ac52667 · ac52667
2 parents b419177 + 028e730
commit ac52667
Showing 1 changed file with 6 additions and 2 deletions.
diff --git a/conf/systemd.service b/conf/systemd.service
@@ -18,16 +18,20 @@ StandardError=inherit
 NoNewPrivileges=yes
 PrivateTmp=yes
 PrivateDevices=yes
-RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6 AF_NETLINK
 RestrictNamespaces=yes
 RestrictRealtime=yes
 DevicePolicy=closed
+ProtectClock=yes
+ProtectHostname=yes
+ProtectProc=invisible
 ProtectSystem=full
 ProtectControlGroups=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 LockPersonality=yes
-SystemCallFilter=~@clock @debug @module @mount @obsolete @reboot @setuid @swap
+SystemCallArchitectures=native
+SystemCallFilter=~@clock @debug @module @mount @obsolete @reboot @setuid @swap @cpu-emulation @privileged
 
 # Denying access to capabilities that should not be relevant for webapps
 # Doc: https://man7.org/linux/man-pages/man7/capabilities.7.html