Attached is a ruleset for a popular RSS reader: InoReader.com I tested it and it seems to work fine.
Best, Ivan
<ruleset name="Inoreader">
<target host="www.inoreader.com" />
<target host="inoreader.com" />
<securecookie host="^inoreader\.com$" name=".+"/>
<rule from="^http://(www\.)?inoreader\.com/" to="https://inoreader.com/"; />
</ruleset>
