g1smd - 11:28 pm on Aug 21, 2012 (gmt 0) [edited by: g1smd at 11:30 pm (utc) on Aug 21, 2012]
Yes. Those are classic "soft 404" pages.
There's no content that is of any use, but the page returns 200 OK.
Program the script to return some other status code, perhaps 401 if you need to log in to see the content.
[edited by: g1smd at 11:30 pm (utc) on Aug 21, 2012]