units: enable ProtectHostname=yes

16 files changed, 16 insertions, 0 deletions

diff --git a/units/systemd-coredump@.service.in b/units/systemd-coredump@.service.in
index ffcb5f36ca..f6166fa11c 100644
--- a/units/systemd-coredump@.service.in
+++ b/units/systemd-coredump@.service.in
@@ -29,6 +29,7 @@ PrivateNetwork=yes
 PrivateTmp=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 ProtectSystem=strict
diff --git a/units/systemd-hostnamed.service.in b/units/systemd-hostnamed.service.in
index 9c925e80d9..62e9b28f5b 100644
--- a/units/systemd-hostnamed.service.in
+++ b/units/systemd-hostnamed.service.in
@@ -25,6 +25,7 @@ PrivateNetwork=yes
 PrivateTmp=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 ProtectSystem=strict
diff --git a/units/systemd-importd.service.in b/units/systemd-importd.service.in
index 20704a8232..38b7d7e94b 100644
--- a/units/systemd-importd.service.in
+++ b/units/systemd-importd.service.in
@@ -20,6 +20,7 @@ KillMode=mixed
 CapabilityBoundingSet=CAP_CHOWN CAP_FOWNER CAP_FSETID CAP_MKNOD CAP_SETFCAP CAP_SYS_ADMIN CAP_SETPCAP CAP_DAC_OVERRIDE
 NoNewPrivileges=yes
 MemoryDenyWriteExecute=yes
+ProtectHostname=yes
 RestrictRealtime=yes
 RestrictNamespaces=net
 RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
diff --git a/units/systemd-journal-gatewayd.service.in b/units/systemd-journal-gatewayd.service.in
index ebc8bf9a25..0f16ae4ccb 100644
--- a/units/systemd-journal-gatewayd.service.in
+++ b/units/systemd-journal-gatewayd.service.in
@@ -22,6 +22,7 @@ PrivateDevices=yes
 PrivateNetwork=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
diff --git a/units/systemd-journal-remote.service.in b/units/systemd-journal-remote.service.in
index 29a99aaec1..71727295c3 100644
--- a/units/systemd-journal-remote.service.in
+++ b/units/systemd-journal-remote.service.in
@@ -23,6 +23,7 @@ PrivateNetwork=yes
 PrivateTmp=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 ProtectSystem=strict
diff --git a/units/systemd-journal-upload.service.in b/units/systemd-journal-upload.service.in
index 92cd4e5259..10e4d657d3 100644
--- a/units/systemd-journal-upload.service.in
+++ b/units/systemd-journal-upload.service.in
@@ -22,6 +22,7 @@ NoNewPrivileges=yes
 PrivateDevices=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 RestrictAddressFamilies=AF_UNIX AF_INET AF_INET6
diff --git a/units/systemd-journald.service.in b/units/systemd-journald.service.in
index 4684f095c0..1807d73c68 100644
--- a/units/systemd-journald.service.in
+++ b/units/systemd-journald.service.in
@@ -23,6 +23,7 @@ IPAddressDeny=any
 LockPersonality=yes
 MemoryDenyWriteExecute=yes
 NoNewPrivileges=yes
+ProtectHostname=yes
 Restart=always
 RestartSec=0
 RestrictAddressFamilies=AF_UNIX AF_NETLINK
diff --git a/units/systemd-localed.service.in b/units/systemd-localed.service.in
index 01e0703d0e..a64e7e79a8 100644
--- a/units/systemd-localed.service.in
+++ b/units/systemd-localed.service.in
@@ -25,6 +25,7 @@ PrivateNetwork=yes
 PrivateTmp=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 ProtectSystem=strict
diff --git a/units/systemd-logind.service.in b/units/systemd-logind.service.in
index 38a7f269ac..fb6fda4907 100644
--- a/units/systemd-logind.service.in
+++ b/units/systemd-logind.service.in
@@ -28,6 +28,7 @@ IPAddressDeny=any
 LockPersonality=yes
 MemoryDenyWriteExecute=yes
 NoNewPrivileges=yes
+ProtectHostname=yes
 Restart=always
 RestartSec=0
 RestrictAddressFamilies=AF_UNIX AF_NETLINK
diff --git a/units/systemd-machined.service.in b/units/systemd-machined.service.in
index 9f1476814d..d6deefea08 100644
--- a/units/systemd-machined.service.in
+++ b/units/systemd-machined.service.in
@@ -23,6 +23,7 @@ IPAddressDeny=any
 LockPersonality=yes
 MemoryDenyWriteExecute=yes
 NoNewPrivileges=yes
+ProtectHostname=yes
 RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
 RestrictRealtime=yes
 SystemCallArchitectures=native
diff --git a/units/systemd-networkd.service.in b/units/systemd-networkd.service.in
index 472ef045de..5da0e1e330 100644
--- a/units/systemd-networkd.service.in
+++ b/units/systemd-networkd.service.in
@@ -27,6 +27,7 @@ MemoryDenyWriteExecute=yes
 NoNewPrivileges=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectSystem=strict
 Restart=on-failure
diff --git a/units/systemd-portabled.service.in b/units/systemd-portabled.service.in
index a44cdb30a4..a8eab94d02 100644
--- a/units/systemd-portabled.service.in
+++ b/units/systemd-portabled.service.in
@@ -18,6 +18,7 @@ BusName=org.freedesktop.portable1
 WatchdogSec=3min
 CapabilityBoundingSet=CAP_KILL CAP_SYS_PTRACE CAP_SYS_ADMIN CAP_SETGID CAP_SYS_CHROOT CAP_DAC_READ_SEARCH CAP_DAC_OVERRIDE CAP_CHOWN CAP_FOWNER CAP_FSETID CAP_MKNOD
 MemoryDenyWriteExecute=yes
+ProtectHostname=yes
 RestrictRealtime=yes
 RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6
 SystemCallFilter=@system-service @mount
diff --git a/units/systemd-resolved.service.in b/units/systemd-resolved.service.in
index 3144b70063..eac3f31012 100644
--- a/units/systemd-resolved.service.in
+++ b/units/systemd-resolved.service.in
@@ -30,6 +30,7 @@ PrivateDevices=yes
 PrivateTmp=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 ProtectSystem=strict
diff --git a/units/systemd-timedated.service.in b/units/systemd-timedated.service.in
index 6d53024195..46ee8c894d 100644
--- a/units/systemd-timedated.service.in
+++ b/units/systemd-timedated.service.in
@@ -23,6 +23,7 @@ NoNewPrivileges=yes
 PrivateTmp=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 ProtectSystem=strict
diff --git a/units/systemd-timesyncd.service.in b/units/systemd-timesyncd.service.in
index 03ade45d08..5313a90c30 100644
--- a/units/systemd-timesyncd.service.in
+++ b/units/systemd-timesyncd.service.in
@@ -29,6 +29,7 @@ PrivateDevices=yes
 PrivateTmp=yes
 ProtectControlGroups=yes
 ProtectHome=yes
+ProtectHostname=yes
 ProtectKernelModules=yes
 ProtectKernelTunables=yes
 ProtectSystem=strict
diff --git a/units/systemd-udevd.service.in b/units/systemd-udevd.service.in
index 6a3814e5d9..fb98ca4d43 100644
--- a/units/systemd-udevd.service.in
+++ b/units/systemd-udevd.service.in
@@ -26,6 +26,7 @@ KillMode=mixed
 WatchdogSec=3min
 TasksMax=infinity
 PrivateMounts=yes
+ProtectHostname=yes
 MemoryDenyWriteExecute=yes
 RestrictRealtime=yes
 RestrictAddressFamilies=AF_UNIX AF_NETLINK AF_INET AF_INET6