-100syncarchive_amd64 -- retrieve data from sarge amd64 archive
-100syncarchive_backports -- retrieve data from backports.org
-100syncarchive_gnuab -- retrieve data from gnuab (kfreebsd-*, armel)
+100syncarchive_backports -- retrieve data from backports.debian.org
+100syncarchive_debports -- retrieve data from debian-ports.org (m68k)