checklink: Links reported as forbidden are reachable by "clicking", for me

      List of broken links and other issues

/There are issues with the URLs listed below. The table summarizes the 
issues and suggested actions by HTTP response status code./

Code 	Occurrences 	What to do
(N/A) 
<http://validator.w3.org/checklink?uri=http%3A%2F%2Fwww.fairfax-burkesc.org%2FSponsors.htm&hide_type=all&depth=&check=Check#d1code_-4> 
	1 	Accessing links with this URI scheme has been disabled in link checker.
403 
<http://validator.w3.org/checklink?uri=http%3A%2F%2Fwww.fairfax-burkesc.org%2FSponsors.htm&hide_type=all&depth=&check=Check#d1code_403> 
	4 	The link is forbidden! This needs fixing. Usual suspects: a missing 
index.html or Overview.html, or a missing ACL.

error Line: 168 http://www.fairfaxcounty.gov/dfs/olderadultservices/
    *Status*: 403 Forbidden

    The link is forbidden! This needs fixing. Usual suspects: a missing
    index.html or Overview.html, or a missing ACL.

error Line: 146 http://www.burkepreschurch.org/
    *Status*: 403 Forbidden

    The link is forbidden! This needs fixing. Usual suspects: a missing
    index.html or Overview.html, or a missing ACL.

error Line: 162 http://www.stmaryofsorrows.org/
    *Status*: 403 Forbidden

    The link is forbidden! This needs fixing. Usual suspects: a missing
    index.html or Overview.html, or a missing ACL.

error Line: 172 
http://www.fairfaxcounty.gov/rha/seniorhousing/seniorhousing.htm
    *Status*: 403 Forbidden

    The link is forbidden! This needs fixing. Usual suspects: a missing
    index.html or Overview.html, or a missing ACL.