The field for local network IPs access permissions

Is an error or a restriction of the service if I have added ' * ' to avoid restrictions on access area on my app it works only on public IP addresses and is not with local network IPs?

(ie. my phone WiFi 192.16.1.116 and trying to access information on a pc with 192.16.1.119, result: timeout)

If the same request is made to a public IP (pc) IE. 200.31.90.37, then it works as expected.

NOTE:

-This request for access is made by a webworks installed on the phone app. the answer is in JSONP format.

-PC firewall disabled.

Tests failed

-Tests on wifi, access to a local IP network with the phone on and off data service

Successful trial

-Tests on Internet, access a public IP, same phone, same app.

As indicated in the following link, there is no indication that this behavior is expected:

http://docs.BlackBerry.com/en/developers/deliverables/27280/Allowing_access_to_external_resources_an...

If anyone knows an example where "*" works for LAN IPs please let me know.

Kind regards

OK... sit tight for this possible explanation

A BlackBerry has two different designs to consider:

(1) physical network connection

(2) selection of transport

The physical network connection is pretty self explainatory (wifi, bluetooth, GPRS, CDMA).  The selection of Transport can better be seen as a VPN Tunnel/connection.  Such transport may be BES, BIS, direct TCP, WAP etc gateway.

Even if you're on WiFi, you can still have your transport (VPN) connected through BIS.  This is configured through your application settings.

The browser from on the BB6 uses special transportation (no available applications) who did essentially the equivalent of a DNS lookup and follows a logic to see how endpoint can be accessed.  It will then forward through the transport that's going to happen to its endpoint.

So in the browser, it detects your IP address isn't public and a rebooking via the TCP/IP connection direct to go directly to your local server.

In a BlackBerry application, you must declare your list of transport order which I will try and failover to the other if it is not reachable on the first transport.

Stopped default transport is in an application of WebWorks BES, BIS - B, TCP_WIFI, TCP_CELLULAR, WAP2, WAP

More information on transport in WebWorks here:

http://docs.BlackBerry.com/en/developers/deliverables/27261/Widget_element_834671_11.jsp#RIM_connect...

In your case, you would have to change the order of the TCP_WIFI put everything first.  WARNING: Different transport have different failover times.  B BIS and BES are instantly switched if they are not enabled with this service. TCP_WIFI will actually make a connection delay before switching.  So if you don't have a WiFi connection, it will timeout on each request for a resource before it tries then BIS - B.

So, it boils down to what you want your app to be able to do.  If she wants to access the public IP addresses, then you want to keep the default transport order.  If you want it to be able to discover the local and public IP addresses, then you will have a little more work to do.

Tags: BlackBerry Developers

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