Limit file types that can be proxied

[☣Merlin]

On Thu, May 27, 2010 at 11:19 AM, reference123 <nginx-forum at nginx.us> wrote:
> I am trying to limit the file types that can be proxied from our backend server.  I am trying to limit it to jpg, gif, png, css and then two other specific files  - Thumbnail.ashx and hearbeat.htm.  I am also hoping to limit access to only certain referers.
>
> I have tried this code which works fine for the jpg, gif, png, css but is not working for the heartbeat.htm file.  It gives a 404 on all .htm files including heartbeat.htm.
>
> location ~* (\.jpg|\.png|\.gif|\.css|ThumbNail\.ashx|heartbeat\.htm)$ {
>
>                valid_referers
>                        none
>                        blocked
>                        example.com
>                        www.example.com
>                        examplellimages.com
>                        www.examplellimages.com
>                        1.examplellimages.com
>                        2.examplellimages.com
>                        3.examplellimages.com
>                        4.examplellimages.com;
>
>                if ($invalid_referer) {
>                        return 404;
>                }
>
>
>
>                proxy_pass      http://exampleimages_com;
>    }
>
> Any help would be appreciated.
>
> Posted at Nginx Forum: http://forum.nginx.org/read.php?2,91106,91106#msg-91106
>
>
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Hello,

I'm not sure why heartbeat.htm is not captured there offhand, it seems
correct on a quick look.  Another way to separate heartbeat would be
with an explicit location such as:

location = /heartbeat.htm { proxy_pass http://whatever; }

Thanks,
Merlin