Updated Logfile group configuration. Include archive and time-format.

etc/logwatch/conf/logfiles/cfddns.conf

@@ -1 +1,9 @@
-LogFile = /path/to/your/cfddns.log
+# Location of your script's log file, -l parameter
+LogFile = /path/to/your/cfddns.log
+# Format of logrotate archives for your script. Example assumes compression and
+# extension preservation
+Archive = logfile.ext.?.gz
+# Apply the correct date/time filtering to match the format of the script's log
+# You don't need to change this unless you have altered the 'stamp' variable in
+# the script
+*applystddate = "%Y-%m-%d %H:%M:%S"