The following script works returns a comprehensive headers on a host running libwww-perl-5.836 but not on the host using libwww-perl-6.30.0. In that case, the script displays the following: 500 Can't connect to backend.mutegroup.org:443 (certificate verify failed) Content-Type: text/plain Client-Date: Mon, 28 Jul 2014 21:09:28 GMT Client-Warning: Internal response Can't connect to backend.mutegrou