"I have today been unable to connect to eBay via any route at all!"
This is currently showing on the eBay "Announcements" page:
*"Technical issue 12 August, 2014 | 10:16AM BST Hello, Due to a technical issue, some eBay customers may notice a problem with key areas of the eBay site . We’re working to solve this problem and apologise for any inconvenience. Please try to complete your transaction at a later time."*