diff --git a/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager/restrictionmode-default-whitelist.override.yml b/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager/restrictionmode-default-whitelist.override.yml
new file mode 100644
index 0000000..b0de5dd
--- /dev/null
+++ b/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager/restrictionmode-default-whitelist.override.yml
@@ -0,0 +1,6 @@
+---
+/xyz/openbmc_project/control/host0/restriction_mode:
+    - Interface: xyz.openbmc_project.Control.Security.RestrictionMode
+      Properties:
+          RestrictionMode:
+              Default: RestrictionMode::Modes::Whitelist
diff --git a/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager/time-default.override.yml b/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager/time-default.override.yml
new file mode 100644
index 0000000..0096eeb
--- /dev/null
+++ b/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager/time-default.override.yml
@@ -0,0 +1,6 @@
+---
+/xyz/openbmc_project/time/sync_method:
+    - Interface: xyz.openbmc_project.Time.Synchronization
+      Properties:
+          TimeSyncMethod:
+              Default: Synchronization::Method::Manual
diff --git a/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager_%.bbappend b/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager_%.bbappend
new file mode 100644
index 0000000..7e20568
--- /dev/null
+++ b/meta-gbs/recipes-phosphor/settings/phosphor-settings-manager_%.bbappend
@@ -0,0 +1,3 @@
+FILESEXTRAPATHS_append_gbs := ":${THISDIR}/${PN}"
+SRC_URI_append_gbs = " file://time-default.override.yml"
+SRC_URI_append_gbs = " file://restrictionmode-default-whitelist.override.yml"