$ ruby -ropenssl -e 'p OpenSSL::OPENSSL_VERSION' "OpenSSL 1.0.1c 10 May 2012" $ openssl s_client -showcerts -connect rubygems.org:https CONNECTED(00000003) depth=1 /C=US/O=GeoTrust, Inc./CN=RapidSSL CA verify error:num=20:unable to get local issuer certificate verify return:0 --- Certificate chain 0 s:/serialNumber=RRAXldgzDrRZWQpGo6FHdTHV3qwvwXtD/OU=GT35895174/OU=See www.rapidssl.com/resources/cp