systemd.service: Tighten hardening options.

9 files changed, 48 insertions, 0 deletions

diff --git a/roles/IMAP/files/etc/systemd/system/dovecot-auth-proxy.service b/roles/IMAP/files/etc/systemd/system/dovecot-auth-proxy.service
index 7e790e3..d20f9c2 100644
--- a/roles/IMAP/files/etc/systemd/system/dovecot-auth-proxy.service
+++ b/roles/IMAP/files/etc/systemd/system/dovecot-auth-proxy.service
@@ -15,6 +15,11 @@ NoNewPrivileges=yes
 PrivateDevices=yes
 ProtectSystem=strict
 ProtectHome=read-only
+PrivateDevices=yes
+PrivateNetwork=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
 RestrictAddressFamilies=
 
 [Install]
diff --git a/roles/MSA/files/etc/systemd/system/postfix-sender-login.service b/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
index 09204fa..f5e6d89 100644
--- a/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
+++ b/roles/MSA/files/etc/systemd/system/postfix-sender-login.service
@@ -15,6 +15,11 @@ NoNewPrivileges=yes
 PrivateDevices=yes
 ProtectHome=yes
 ProtectSystem=strict
+PrivateDevices=yes
+PrivateNetwork=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
 RestrictAddressFamilies=AF_UNIX
 
 [Install]
diff --git a/roles/bacula-dir/files/etc/systemd/system/bacula-director.service b/roles/bacula-dir/files/etc/systemd/system/bacula-director.service
index ba943ce..4873689 100644
--- a/roles/bacula-dir/files/etc/systemd/system/bacula-director.service
+++ b/roles/bacula-dir/files/etc/systemd/system/bacula-director.service
@@ -17,6 +17,11 @@ ProtectSystem=strict
 ReadWriteDirectories=-/var/lib/bacula
 ReadWriteDirectories=-/var/log/bacula
 ReadWriteDirectories=-/var/run/bacula
+PrivateDevices=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
 
 [Install]
 WantedBy=multi-user.target
diff --git a/roles/bacula-sd/files/etc/systemd/system/bacula-sd.service b/roles/bacula-sd/files/etc/systemd/system/bacula-sd.service
index 0117d3d..30fa562 100644
--- a/roles/bacula-sd/files/etc/systemd/system/bacula-sd.service
+++ b/roles/bacula-sd/files/etc/systemd/system/bacula-sd.service
@@ -17,6 +17,11 @@ ProtectSystem=strict
 ReadWriteDirectories=-/var/lib/bacula
 ReadWriteDirectories=-/var/run/bacula
 ReadWriteDirectories=/mnt/backup/bacula
+PrivateDevices=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+RestrictAddressFamilies=AF_INET AF_INET6
 
 [Install]
 WantedBy=multi-user.target
diff --git a/roles/common/files/etc/systemd/system/bacula-fd.service b/roles/common/files/etc/systemd/system/bacula-fd.service
index 192ea1b..792d964 100644
--- a/roles/common/files/etc/systemd/system/bacula-fd.service
+++ b/roles/common/files/etc/systemd/system/bacula-fd.service
@@ -15,6 +15,11 @@ ProtectSystem=strict
 PrivateTmp=yes
 ReadWriteDirectories=-/var/lib
 ReadWriteDirectories=-/var/run/bacula
+PrivateDevices=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
 
 [Install]
 WantedBy=multi-user.target
diff --git a/roles/common/files/etc/systemd/system/stunnel4@.service b/roles/common/files/etc/systemd/system/stunnel4@.service
index d634e50..1a30599 100644
--- a/roles/common/files/etc/systemd/system/stunnel4@.service
+++ b/roles/common/files/etc/systemd/system/stunnel4@.service
@@ -17,6 +17,11 @@ NoNewPrivileges=yes
 PrivateDevices=yes
 ProtectHome=yes
 ProtectSystem=strict
+PrivateDevices=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+RestrictAddressFamilies=AF_INET AF_INET6
 
 [Install]
 WantedBy=multi-user.target
diff --git a/roles/lists/files/etc/systemd/system/wwsympa.service b/roles/lists/files/etc/systemd/system/wwsympa.service
index 7d2440c..3f76aca 100644
--- a/roles/lists/files/etc/systemd/system/wwsympa.service
+++ b/roles/lists/files/etc/systemd/system/wwsympa.service
@@ -20,6 +20,12 @@ ReadWriteDirectories=/etc/sympa
 ReadWriteDirectories=/var/lib/sympa
 ReadWriteDirectories=-/var/run/sympa
 ReadWriteDirectories=/var/spool/sympa
+PrivateDevices=yes
+PrivateNetwork=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+RestrictAddressFamilies=
 
 [Install]
 WantedBy=multi-user.target
diff --git a/roles/munin-master/files/etc/systemd/system/munin-cgi-graph.service b/roles/munin-master/files/etc/systemd/system/munin-cgi-graph.service
index c8a3609..b8e6012 100644
--- a/roles/munin-master/files/etc/systemd/system/munin-cgi-graph.service
+++ b/roles/munin-master/files/etc/systemd/system/munin-cgi-graph.service
@@ -17,6 +17,12 @@ ProtectHome=yes
 ProtectSystem=strict
 ReadWriteDirectories=-/var/log/munin
 ReadWriteDirectories=-/var/lib/munin/cgi-tmp/munin-cgi-graph
+PrivateDevices=yes
+PrivateNetwork=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+RestrictAddressFamilies=
 
 [Install]
 WantedBy=multi-user.target
diff --git a/roles/munin-master/files/etc/systemd/system/munin-cgi-html.service b/roles/munin-master/files/etc/systemd/system/munin-cgi-html.service
index 3c0c0e5..0e66b3f 100644
--- a/roles/munin-master/files/etc/systemd/system/munin-cgi-html.service
+++ b/roles/munin-master/files/etc/systemd/system/munin-cgi-html.service
@@ -16,6 +16,12 @@ PrivateDevices=yes
 ProtectHome=yes
 ProtectSystem=strict
 ReadWriteDirectories=-/var/log/munin
+PrivateDevices=yes
+PrivateNetwork=yes
+ProtectControlGroups=yes
+ProtectKernelModules=yes
+ProtectKernelTunables=yes
+RestrictAddressFamilies=
 
 [Install]
 WantedBy=multi-user.target