name : lwp-with-verifycn.pl use strict; use warnings; ## !!! make sure that Net::SSL never gets loaded, otherwise it will ## be used instead of IO::Socket::SSL from LWP use IO::Socket::SSL 'debug0'; use LWP::Simple; IO::Socket::SSL::set_ctx_defaults( SSL_verifycn_scheme => 'www', SSL_verify_mode => 1, SSL_ca_file => 'verisign.pem', # root CA of verisign ); print get( 'https://signin.ebay.com' );