* 歴史

** IE8

[REFS[
- [1] [CITE@en[IE8 Security Part V: Comprehensive Protection - IEBlog - Site Home - MSDN Blogs]] ([TIME[2012-11-18 01:13:58 +09:00]] 版) <http://blogs.msdn.com/b/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx>
]REFS]

* 例

[FIG[
[2] 
[PRE(HTTP example code)[
HTTP/1.1 200 OK 
Content-Length: 238 
Content-Type: text/html 
X-Download-Options: noopen 
Content-Disposition: attachment; filename=untrustedfile.html 

]PRE]

[SRC[>>1]]
]FIG]