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<concept id="GUID-EAD6B365-DCB9-51AD-AF21-0B8262B468A2" xml:lang="en"><title>WhiteList/BlackList

URI Services Overview</title><prolog><metadata><keywords/></metadata></prolog><conbody>

<p>Mobile widgets are increasingly being used to connect to internet, which

has increased the vulnerability of devices. To address this issue, Symbian

provides a framework using which origins of harmful messages can be added

to a BlackList. The framework also supports adding the origin of trusted clients

to a WhiteList. This allows end users to control the data they receive from

networks. </p>

<p>Symbian provides a client-server framework to support BlackList/WhiteList

origins (URIs). The framework currently supports <i>Browser</i>, <i>WapPush</i>, <i>PushEmail</i> and <i>DeviceProvisioning</i> service

type URIs. The URI entry is unique for a given service type and similar URIs

from different service types can exist in the URI list. </p>

<p>The BlackList/WhiteList framework provides support for adding a URI to

the list, removing a URI from list, updating a URI in the list, reading URIs

from the list, and querying for URIs in the list. Support for wildcard URI

entries is not provided. The framework also provides support for pre-configuration

of URIs in the list to enable clients to add their own URIs. </p>

<p><b>See Also </b> </p>

<ul>

<li id="GUID-5C534E00-9D07-50CE-98A3-D0910FDC0964"><p> <xref href="GUID-F8159093-6349-516B-8301-C50BD2AC9F2C.dita">Using

URIs from the URI List</xref> </p> </li>

<li id="GUID-2E66D95E-E300-54C0-B418-0B78738038C8"><p> <xref href="GUID-402B5633-1E3A-5F24-8C4F-DA5F04D2557C.dita">Querying

URIs from the URI List</xref> </p> </li>

<li id="GUID-4DD7ECDE-428A-5179-A326-91C93146A529"><p> <xref href="GUID-B36F47DC-0A62-5B8F-A761-2717B921A339.dita">Pre-configuring

the URI List</xref> </p> </li>

</ul>

</conbody></concept>