Firefox connection settingsIf you connect to the Internet through a proxy server that is having connection problems, you will not be able to load websites. To check your Firefox proxy settings:
1.At the top of the Firefox windowOn the menu bar, click on the ToolsFirefoxEdit menu, and select Options...Preferences....
2.Select the Advanced panel.
3.Select the Network tab.
4.In the Connection section, click Settings....
5.Change your proxy settings:
?If you don't connect to the Internet through a proxy (or don't know whether you connect through a proxy), select No Proxy.
?If you connect to the Internet through a proxy, compare Firefox's settings to another browser's (Such as Internet Explorer. See Microsoft's guide to proxy settings) (Such as Safari. See Apple's guide to proxy settings).
6.Close the Connection Settings window.
7.Click OK to close the Options windowClick Close to close the Preferences windowClose the Preferences window