# 발급받은 인증서 사인 요청
root@secu-VirtualBox:/etc/apache2/ssl# openssl req -new -key server.key -out server.csr
Enter pass phrase for server.key:    # 키 입력

You are about to be asked to enter information that will be incorporated
into your certificate request.
What you are about to enter is what is called a Distinguished Name or a DN.
There are quite a few fields but you can leave some blank
For some fields there will be a default value,
If you enter '.', the field will be left blank.
-----
Country Name (2 letter code) [XX]:KR    # 국가 코드
State or Province Name (full name) []:Seoul    # 시/도 이름
Locality Name (eg, city) [Default City]:Gangseo    # 시/군/구 이름
Organization Name (eg, company) [Default Company Ltd]:secu    # 회사 이름
Organizational Unit Name (eg, section) []:    # 부서 이름
Common Name (eg, your name or your server's hostname) []:secu    # 서버 이름
Email Address []:    # 메일 주소

Please enter the following 'extra' attributes
to be sent with your certificate request
A challenge password []:    # 챌린지 암호
An optional company name []:    # 회사 이름