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-rw-r--r--units/systemd-hostnamed.service.in1
1 files changed, 1 insertions, 0 deletions
diff --git a/units/systemd-hostnamed.service.in b/units/systemd-hostnamed.service.in
index fc43b2c4a6..d8f18bed53 100644
--- a/units/systemd-hostnamed.service.in
+++ b/units/systemd-hostnamed.service.in
@@ -21,3 +21,4 @@ PrivateNetwork=yes
ProtectSystem=yes
ProtectHome=yes
MemoryDenyWriteExecute=yes
+SystemCallFilter=~@clock @module @mount @obsolete @raw-io ptrace