Importance

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Abstract

Secure access is provided for a limited access data network (intranet) to handheld electronic devices which include the functionality to process alphanumeric information and process information received in handheld device markup language (HDML). A handheld device user may first establish a connection with a data network such as the World Wide Web. Through use of a uniform resource locator (URL) request made over this data network, a connection is made to an intranet. At the firewall for the intranet, an identification process is performed to determine that the URL request originated from a handheld device. Such a request is routed through a socket designated for such requests and received by a proxy server. The proxy server provides the necessary security steps in order to provide access to applications within the intranet, and once validation has been confirmed, connection to the application is established. The proxy server further includes the functionality to convert information received from the applications into HDML, so that it may be processed by the handheld device.

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First Claim