http://zhidao.baidu.com/link?url=XDPbB-lCZlemk3qWGoy-fAUdzQ4I-ZRwWM3ldRbj269WRx7cdqISia7F0-SiE9IYy1zdWwssfRh7SGo55qBXc_
http://www.symantec.com/zh/cn/security_response/glossary/define.jsp?letter=f&word=fqdn-fully-qualified-domain-name
http://wenku.baidu.com/link?url=FcqveOhfYTQQUBnmyQveX29YGrvhHlLirfZET3onT0uZRu9ZwyCJ7sMNDtf6mmsLwltmhCEPE2j3op1nea6JKk45gdweR1kSRcMAthUgnqO
