-backports_ftpsite=http://backports.org/debian
-amd64_ftpsite=http://amd64.debian.net/debian
-gnuab_ftpsite=http://kfreebsd-gnu.debian.net/debian
-ddtp_ftpsite=http://ddtp.debian.net/debian
+backports_ftpsite=http://backports.debian.org/debian-backports
+debports_ftpsite=http://ftp.debian-ports.org/debian
+ddtp_ftpsite=