Issue #7197 has been updated by MartinBosslet (Martin Bosslet). I applied the workaround proposed by Shugo. Thanks a lot for investigating!! ---------------------------------------- Bug #7197: Error: test_tls_v1_2(OpenSSL::TestSSL) https://bugs.ruby-lang.org/issues/7197#change-34815 Author: znz (Kazuhiro NISHIYAMA) Status: Closed Priority: Normal Assignee: MartinBosslet (Martin Bosslet) Category: ext Target version: 2.0.0 ruby -v: ruby 2.0.0dev (2012-10-20 trunk 37273) [x86_64-linux] Ubuntu 12.04.1 LTS 64-bit ??®ç?°å????§ä»¥ä¸???®ã?¨ã?©ã?¼ã????ºã?¦ã????¾ã????? 2) Error: test_tls_v1_2(OpenSSL::TestSSL): OpenSSL::SSL::SSLError: SSL_connect returned=1 errno=0 state=unknown state: tlsv1 alert protocol version .../test/openssl/test_ssl.rb:607:in `connect' .../test/openssl/test_ssl.rb:607:in `server_connect' .../test/openssl/test_ssl.rb:468:in `block in test_tls_v1_2' .../test/openssl/utils.rb:293:in `call' .../test/openssl/utils.rb:293:in `start_server' .../test/openssl/test_ssl.rb:593:in `start_server_version' .../test/openssl/test_ssl.rb:467:in `test_tls_v1_2' OpenSSL ??®ã????¼ã?¸ã?§ã?³ã?¯ä»¥ä¸???®é???????§ã????? % openssl version OpenSSL 1.0.1 14 Mar 2012 % dpkg -l openssl | grep '^ii' ii openssl 1.0.1-4ubuntu5.5 Secure Socket Layer (SSL) binary and related cryptographic tools % -- http://bugs.ruby-lang.org/