SSL 인증서질문

<VirtualHost *:443>  ServerName 도메인이름  SSLEngine on  SSLProtocol all -SSLv2 -SSLv3  SSLCipherSuite ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-DSS-AES128-GCM-SHA256:kEDH+AESGCM:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA384:ECDHE-RSA-AES256-SHA:ECDHE-ECDSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-DSS-AES128-SHA256:DHE-RSA-AES256-SHA256:DHE-DSS-AES256-SHA:DHE-RSA-AES256-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:AES:CAMELLIA:DES-CBC3-SHA:!aNULL:!eNULL:!EXPORT:!DES:!RC4:!MD5:!PSK:!aECDH:!EDH-DSS-DES-CBC3-SHA:!EDH-RSA-DES-CBC3-SHA:!KRB5-DES-CBC3-SHA  SSLHonorCipherOrder on  SSLCipherSuite ALL:!ADH:!EXPORT:!SSLv2:RC4+RSA:+HIGH:+MEDIUM:+LOW  SSLCertificateFile /폴더이름/ssl.crt  SSLCertificateChainFile  /폴더이름/ssl.pem  SSLCertificateKeyFile /폴더이름/ssl.key  SSLCACertificateFile /폴더이름/root_ssl.crt  <Files ~ "\.(cgi|shtml|phtml|php3?)$">           SSLOptions +StdEnvVars        </Files>        <Directory "/var/www/cgi-bin">            SSLOptions +StdEnvVars        </Directory>  SetEnvIf User-Agent ".*MSIE.*" nokeepalive ssl-unclean-shutdown  ErrorLog logs/로그이름-ssl_error_log  TransferLog logs/로그이름-ssl_access_log  LogLevel warn  CustomLog logs/로그이름-ssl_request_log \   "%t %h %{SSL_PROTOCOL}x %{SSL_CIPHER}x \"%r\" %b"</VirtualHost>