[ubuntu] Network Proxy authentication

view story

http://ubuntuforums.org – I have added these lines in /etc/apt/apt.conf Acquire::http:: proxy "http://intern:[email protected]:3128/"; Acquire::ftp:: proxy "ftp://intern:[email protected]:3128/"; Acquire::https:: proxy "https://intern:[email protected]:3128/"; Acquire::socks:: proxy "socks://intern:[email protected]:3128/"; (here : p is without space used just before proxy) even after adding I am gettin this 404 error while apt-get update W: Failed to fetch http://security.ubuntu.com/ubuntu/di...64/Packages.gz 404 Not Found E: Some index files failed to download, they (Hardware)