Trying with "/usr/bin/curl -L -f -s -S --netrc-optional" to get
    "http://www.perl.org/CPAN/authors/id/G/GA/GAAS/URI-1.40.tar.gz"
curl: (22) The requested URL returned error: 502

    Function system("/usr/bin/curl -L -f -s -S --netrc-optional "http://www.perl.org/CPAN/authors/id/G/GA/GAAS/URI-1.40.tar.gz"  > /root/.cpan/sources/authors/id/G/GA/GAAS/URI-1.40.tar.tmp1885")
    returned status 22 (wstat 5632)
Warning: expected file [/root/.cpan/sources/authors/id/G/GA/GAAS/URI-1.40.tar.gz.tmp1885] doesn't exist

Trying with "/usr/bin/wget -O /root/.cpan/sources/authors/id/G/GA/GAAS/URI-1.40.tar.tmp1885" to get
    "http://www.perl.org/CPAN/authors/id/G/GA/GAAS/URI-1.40.tar.gz"
--05:06:45--  http://www.perl.org/CPAN/authors/id/G/GA/GAAS/URI-1.40.tar.gz
           => `/root/.cpan/sources/authors/id/G/GA/GAAS/URI-1.40.tar.tmp1885'
Resolving www.perl.org... 207.171.7.63
Connecting to www.perl.org|207.171.7.63|:80... connected.
HTTP request sent, awaiting response... 502 Bad Gateway
05:06:45 ERROR 502: Bad Gateway.