SSL/TLS ciphers. Forbid SSLv2 and SSLv3, disable compression by default. Reported by Jeff Hodges. [ruby-core:59829] [Bug #9424] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45274 b2dd03c8-39d4-4d8f-98ff-823fe69b080e