I keep getting this error when I try to go to my website, but when I use a proxy it works normally, any idea what could be causing that? I tried it using Firefox, Internet Explorer and Opera. Forbidden You don't have permission to access / on this server. Additionally, a 403 Forbidden error was encountered while trying to use an ErrorDocument to handle the request.
Try to check your connection settings: Internet Explorer => Tools => Internet Options => Connections Tab =>LanSettings => Untick all the boxes. Or if they are already unticked, try putting some proxy of your ISP, you can call them and tell them the problem and ask them for any alternate proxy address.
Maybe your proxy is doing it's job and storing a cache, so that is why it seems to work through the proxy. What OS is your server? On some of my Fedora boxes I sometimes get this error because selinux is being a file-nazi. If you have a similar setup, try entering: setenforce 0 in the command line and try to access the site again.