nginx 定向 http_user_agent 怎么无效啊

[holinhot]

location / {
if ($http_user_agent ~* "Windows NT 5.1") {

return 444;

            }
                }

MacBook-Pro:~ louis$ curl -I -A "Windows NT 5.2" hao.123.com/00132233423434
HTTP/1.1 302 Found
Server: gws
Date: Thu, 09 Jul 2015 15:46:07 GMT
Content-Type: text/html
Content-Length: 254
Connection: keep-alive
Keep-Alive: timeout=60
Location: http://hao.123.com/

MacBook-Pro:~ louis$ curl -I -A "Windows NT 5.2" hao.123.com/
HTTP/1.1 200 OK
Server: gws
Date: Thu, 09 Jul 2015 15:47:09 GMT
Content-Type: text/html
Content-Length: 29792
Last-Modified: Thu, 09 Jul 2015 13:20:05 GMT
Connection: keep-alive
Keep-Alive: timeout=60
ETag: "559e7505-7460"
Accept-Ranges: bytes

[holinhot]

不知道刚刚哪弄错了现在又工作了

location / {
if ($http_user_agent ~* "Windows NT 5.2") {

return 444;

}
}

[holinhot]

无语了 把5.1 xp搞错

[holinhot]

hehe


242.119.21.11 - - [09/Jul/2015:12:01:20 -0400] "GET /bxiwn.gif HTTP/1.1" 444 0 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; );"
244.229.10.82 - - [09/Jul/2015:12:01:21 -0400] "GET /nrgnpjei.htm HTTP/1.1" 444 0 "-" "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.2; );"