OK, it's not really RSS but the RSS feed works fine if you call it with http://www.top100vbulletin.com/aggregator.php?switch=1 but falls over when included on a page at another site eg http://sarahk.pcpropertymanager.com/muck/q-control.php yet the same page is ok with an alternate feed (from DP) http://sarahk.pcpropertymanager.com/muck/q-control.php?switch=1 So, it seems that it is the feed coming from top100vbulletin.com that's causing the problem but in cpanel I can't see any errors, permission issues etc. Any ideas on how to debug this one?
It's possible that your IP has been banned. An easy way to check is to try to request that page directly from your server. Assuming you've got SSH access and wget is installed, try doing wget http://www.top100vbulletin.com/aggregator.php?switch=1 Code (markup): and see if that works. If it does, your IP has been banned from requesting that feed. If it doesn't, the problem is somewhere else..
I think it's her site fork. Sara, what is in q-control.php making the call? Never mind. I see the aggregator. I also can't get to the feed.
Aaah, looks like I have hotlink protection in place. I've disabled it but no difference. I guess the change may take a few minutes to filter through?