deb ftp://ftp.jp.debian.org/debian potato main contrib non-free
deb ftp://ftp.debian.or.jp/debian-jp potato-jp main contrib non-free
deb ftp://ftp.jp.debian.org/debian-non-US potato/non-US main contrib non-free
deb ftp://ftp.jp.debian.org/debian woody main contrib non-free
deb ftp://ftp.debian.or.jp/debian-jp woody-jp main contrib non-free
deb ftp://ftp.jp.debian.org/debian-non-US woody/non-US main contrib non-free