http://blog.canonical.com http://blog.canonical.com is working , possibly coming from cache, but blog article is getting 403, bad cache config or facing cache d

http://blog.canonical.com http://blog.canonical.com is working , possibly coming from cache, but blog article is getting 403, bad cache config or facing cache dogpile effect due to the traffic Forbidden You don't have permission to access /2013/10/01/ubuntu-pre-installed-and-in-retail-worldwide/ on this server.