TLS v1.0 256 bit AES (1024 bit DHE_RSA/SHA)
TLS v1.0 256 bit AES (2048 bit DHE_RSA/SHA) (FF报错证书因为未提供证书发行链信而不被信任)

解决方法:
mod_ssl
https://knowledge.geotrust.com/support/knowledge-base/index?page=content&id=AR1422&actp=search&viewlocale=en_US
https://knowledge.geotrust.com/support/knowledge-base/index?page=content&id=SO15167

mod_gnutls
http://www.howtoforge.com/hosting-multiple-ssl-web-sites-on-one-ip-address-with-apache-2.2-and-gnutls-debian-lenny