I've installed Ubuntu 14.04, and with I've setup broadband connection, windows 7 allow all internet access, but Ubuntu 14.04 some application access via internet, I can't access Firefox browser and Terminal command line via internet, when running this application then showing me proxy setting... Any one help me, How do I configure proxy manually on Ubuntu 14.04?
Go to Synaptic Package Manager(you can search it from the top left most icon if you are not able to find it)
Then click on
Then go to Network, choose manual proxy configuration and then apply after you have setup the proxy settings. It will work for you.
I'm hoping that this link may help you : http://www.ubuntugeek.com/how-to-configure-ubuntu-desktop-to-use-your-proxy-server.html