diff -up cups-2.2.12/conf/cups-files.conf.in.synconclose cups-2.2.12/conf/cups-files.conf.in
--- cups-2.2.12/conf/cups-files.conf.in.synconclose 2019-08-16 00:35:30.000000000 +0200
+++ cups-2.2.12/conf/cups-files.conf.in 2019-08-19 09:58:14.646567949 +0200
@@ -7,7 +7,7 @@
#FatalErrors @CUPS_FATAL_ERRORS@
# Do we call fsync() after writing configuration or status files?
-#SyncOnClose No
+#SyncOnClose Yes
# Default user and group for filters/backends/helper programs; this cannot be
# any user or group that resolves to ID 0 for security reasons...
diff -up cups-2.2.12/doc/help/man-cups-files.conf.html.synconclose cups-2.2.12/doc/help/man-cups-files.conf.html
--- cups-2.2.12/doc/help/man-cups-files.conf.html.synconclose 2019-08-16 00:35:30.000000000 +0200
+++ cups-2.2.12/doc/help/man-cups-files.conf.html 2019-08-19 09:58:14.646567949 +0200
@@ -150,7 +150,7 @@ The default is "/var/run/cups" or "/etc/
Specifies whether the scheduler calls
fsync(2)
after writing configuration or state files.
-The default is "No".
+The default is "Yes".
SystemGroup group-name [ ... group-name ]
Specifies the group(s) to use for @SYSTEM group authentication.
The default contains "admin", "lpadmin", "root", "sys", and/or "system".
diff -up cups-2.2.12/man/cups-files.conf.man.in.synconclose cups-2.2.12/man/cups-files.conf.man.in
--- cups-2.2.12/man/cups-files.conf.man.in.synconclose 2019-08-16 00:35:30.000000000 +0200
+++ cups-2.2.12/man/cups-files.conf.man.in 2019-08-19 09:58:14.646567949 +0200
@@ -214,7 +214,7 @@ The default is "/var/run/cups" or "/etc/
Specifies whether the scheduler calls
.BR fsync (2)
after writing configuration or state files.
-The default is "No".
+The default is "Yes".
.\"#SystemGroup
.TP 5
\fBSystemGroup \fIgroup-name \fR[ ... \fIgroup-name\fR ]
diff -up cups-2.2.12/scheduler/conf.c.synconclose cups-2.2.12/scheduler/conf.c
--- cups-2.2.12/scheduler/conf.c.synconclose 2019-08-19 09:58:14.647567941 +0200
+++ cups-2.2.12/scheduler/conf.c 2019-08-19 09:59:36.066927455 +0200
@@ -735,7 +735,7 @@ cupsdReadConfiguration(void)
RootCertDuration = 300;
Sandboxing = CUPSD_SANDBOXING_STRICT;
StrictConformance = FALSE;
- SyncOnClose = FALSE;
+ SyncOnClose = TRUE;
Timeout = 900;
WebInterface = CUPS_DEFAULT_WEBIF;