8LOUREIRO N. Programming PHP with security in nfind[J]. Linux journal, 2002, (102): 64-67.
9AMIT Y, HAY R, SALTZMAN R. Testing web applications for file upload vulnerabilities: U.S. Patent 9,009,841[P]. 2015-4-14.
10Apache. Terms Used to Describe Directives Apache HTTP Server Version 2.4[EB/OL]. http://httpd.apache.org/docs/current/mod/ directive-dict.html, 2015-06-20.