$ perl -v | head -2 | tail -1
This is perl 5, version 40, subversion 0 (v5.40.0) built for cygwin-thread-multi

ken@titan ~/tmp
$ cpan

cpan shell -- CPAN exploration and modules installation (v2.36)
Enter 'h' for help.

cpan[1]> o conf pushy_https
    pushy_https        [0]
Type 'o conf' to view all configuration items


cpan[2]> o conf urllist
    urllist
        0 [https://www.cpan.org/]
        1 [https://cpan.metacpan.org/]
Type 'o conf' to view all configuration items


cpan[3]> q
Lockfile removed.

ken@titan ~/tmp