--- ./apps/openssl.cnf.1	2013-12-16 18:58:14.247211410 +0100
+++ ./apps/openssl.cnf	2013-12-16 18:58:14.255211450 +0100
@@ -1,3 +1,13 @@
+
+### WARNING : this file is not supposed to be modified and the
+### system's stability and upgradability may rely on it matching
+### the version shipped with the firmware. You should not modify
+### it without being invited to do so by Exceliance's support.
+
+### NOTE: you can revert any changes to this file by simply deleting
+### it, saving the configuration and rebooting. The factory-shipped
+### file will then automatically replace it.
+
 #
 # OpenSSL example configuration file.
 # This is mostly being used for generation of certificate requests.