deb http://ftp.tw.debian.org/debian/ jessie main contrib non-free deb http://ftp.tw.debian.org/debian/ jessie-updates main contrib non-free deb http://ftp.tw.debian.org/debian/ jessie-backports main contrib non-free deb http://ftp.tw.debian.org/debian/ jessie-proposed-updates main contrib non-free deb http://security.debian.org/ jessie/updates main contrib non-free