False Broken Link

I have a link on a page to another WordPress page and it generates a broken link report. Clicking on the link manually displays the correct page.

Both the link and its destination are in the “Members Area” of the web site. The “Members Area” is achieved using the “Press Permit” plug in.

The X-Pingback: has been edited to change the web site to “example”

Is this problem caused by the tool not being able to access pages in the “Members Area” as it links to documents listed in the members area

Thanks

Peter
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HTTP/1.1 404 Not Found
Date: Sat, 26 Oct 2013 04:51:04 GMT
Server: Apache/2.2.24 (Unix) mod_ssl/2.2.24 OpenSSL/1.0.0-fips
X-Powered-By: PHP/5.3.24
X-Pingback: http://example.org.au/xmlrpc.php
Expires: Wed, 11 Jan 1984 05:00:00 GMT
Cache-Control: no-cache, must-revalidate, max-age=0
Pragma: no-cache
Set-Cookie: bb2_screener_=1382763065+202.191.62.91; path=/
Set-Cookie: wfvt_1884358727=526b4a3a0e35a; expires=Sat, 26-Oct-2013 05:21:06 GMT; path=/
Connection: close
Transfer-Encoding: chunked
Content-Type: text/html; charset=UTF-8

Link is broken.

http://ww.wp.xz.cn/plugins/broken-link-checker/