Restricting user access to media content in the BlackBerry Browser
You can use standard definitions for MIME media types so that you can restrict the media types that the BlackBerry® MDS Connection Service can send to the BlackBerry® Browser and other applications on BlackBerry devices.
For more information about MIME media types, visit www.iana.org.
Prevent users from accessing specific media types
- In the BlackBerry Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component view.
- Click MDS Connection Service.
- Click Edit component.
- In the Media content type field, type the media type and subtype using standard definitions for MIME media types. Use the format <type>/<subtype>.
- In the Disallow content drop-down list, click Yes.
- Click the Add icon.
- Click Save all.
Configure download limits for media content types
- In the BlackBerry Administration Service, on the Servers and components menu, expand BlackBerry Solution topology > BlackBerry Domain > Component view.
- Click MDS Connection Service.
- Click Edit component.
- In the Media content type field, type the media type and subtype using standard definitions for MIME media types. Use the format <type>/<subtype>. You can substitute an asterisk (*) to represent all types or subtypes except for the types you have already configured. Some examples of entries for the Media content type field include application/msword, application/pdf, video/mpeg, application/*, image/*, */*.
- In the Maximum KB/Connection field, type the maximum size (in KB) of content that a user can download to the device, during each connection to the BlackBerry MDS Connection Service.
- In the Disallow content drop-down list, click No.
- Click the Add icon.
- Click Save all.
Default download limits for media content types
BlackBerry® device users can only download a specific amount of media content to BlackBerry® devices with each connection. You can configure a limit in the BlackBerry Administration Service. If you do not configure a limit, the default limit applies. The following table lists the default values.
There is no limit for the amount of media content that users can download using HTTP POST.
MIME type |
Maximum number of bytes per connection (KB) |
|---|---|
application/msword |
2048 |
application/pdf |
2048 |
application/vnd.ms-excel |
2048 |
application/vnd.ms-powerpoint |
2048 |
application/vnd.oma.drm.message |
5120 |
application/vnd.oma.dm.message |
5120 |
multimedia types such as audio and video |
32,768 |
other |
2048 |