diff --git a/pkg/cluster-node.service b/pkg/cluster-node.service
index 5b43d6eea..f395c3fbf 100644
--- a/pkg/cluster-node.service
+++ b/pkg/cluster-node.service
@@ -38,6 +38,7 @@ ProtectKernelTunables=true
 ProtectKernelModules=true
 ProtectKernelLogs=true
 ProtectControlGroups=true
+RestrictAddressFamilies=AF_INET AF_INET6 AF_UNIX
 LockPersonality=true
 RestrictRealtime=true
 RestrictSUIDSGID=true