Re^2: CPAN.pm programming

Yep, and the specific configuration key within that file is urllist, e.g.:

$CPAN::Config->{urllist} = [q[ftp://some.site.com/cpan/], q[http://cpa
+n.elsewhere/]];
[download]

They are checked in the order in which they appear, falling through to later entries if the connection fails or if a particular name can't be found.