apache怎么安装中间证书

Listen 443

<virtualhost _default_:443>

DocumentRoot "${SRVROOT}/htdocs"

ServerName www.example.com:443

ServerAdmin admin@example.com

SSLEngine on

SSLProtocol -all +TLSv1 +TLSv1.1 +TLSv1.2

SSLCipherSuite ECDHE:AES128-SHA:AES128-SHA256:AES256-SHA:AES256-SHA256:DES-CBC3-SHA:!NULL:!aNULL:!RC4:!MD5:!DH

SSLCertificateFile "${SRVROOT}/conf/server.crt"

SSLCertificateKeyFile "${SRVROOT}/conf/server.key"

</virtualhost>