MACROMEDIA FLASH 8-LEARNING ACTIONSCRIPT 2.0 IN FLASH Manual page 693

localWithNetwork
was published with Access Network Only selected in the Publish Settings dialog box (Flash
tab). The SWF file can communicate with the network but cannot read from local
data sources.
You can check the
sandboxType
only in files published for Flash Player 8. This means that when you publish for Flash Player 7
or earlier, you do not know whether the
property isn't supported at runtime, the value is
Player version (indicated by the
the value is
undefined
file's URL is a local file or not. If the SWF file is a local file, Flash Player classifies your SWF
as (which is how all local content was treated prior to Flash Player 8);
localTrusted
otherwise Flash Player classifies the SWF file as
About local-with-file-system restrictions
A local-with-file-system file has not been registered using the configuration file inside the
FlashPlayerTrust directory, the Global Security Settings panel in the Settings Manager, or has
not been granted network permission in the Publish Settings dialog box in the Flash
authoring environment.
For information on security sandboxes, see
on page 680.
These files include legacy content that plays in Flash Player 8. If you are developing content
in Flash 8, or you have content that falls into one of the following categories, you (or your
users) should register the file as trusted. For information on registering a file as trusted, see
"Specifying trusted files using the Settings Manager" on page
granting permission for local file playback using configuration files, see
configuration files for Flash development" on page
Local-with-file-system SWF files have the following restrictions:
Cannot access the network, which includes the following:
Loading other SWF files from the network (except using non-Internet UNC paths)
Sending HTTP requests
Making connections using XMLSocket, Flash Remoting, or NetConnection
Calling
getURL()
The SWF file is a local file that has not been trusted by the user, and
property from any SWF file, although a value is returned
sandboxType
System.capabilities.version
, you can determine the sandbox type according to whether your SWF
except if you use
getURL("file:...")
property is supported at runtime. If the
, which occurs when the Flash
undefined
property) is less than 8. If
.
remote
"Understanding local security sandboxes"
688. For information on
690.
or
getURL("mailto:...")
About local file security and Flash Player
"Creating
693