openssl 指令檢查 FREAK 或 RC4 已關閉了

# for https FREAK
openssl s_client -connect xx.xx:443 -cipher EXPORT

# for https RC4
openssl s_client -connect xx.xx:443 -cipher RC4

# For SMTP servers with SSL:
openssl s_client -connect example.com:smtp -starttls smtp -cipher EXPORT

# For IMAP server with SSL:
openssl s_client -connect example.com:imaps -cipher EXPORT

# For POP3 server with SSL:
openssl s_client -connect example.com:pop3s -cipher EXPORT

這樣子就ok

alert handshake failure:s23_clnt.c:744: