US 6,334,056 B1Granted

Secure gateway processing for handheld device markup language (HDML)

AssigneeQwest Communications Int'l., Inc.

InventorsWayne L. Holmes, David C. Olander

Life of this patent

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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.

Claims20

Dependent claims

A wireless communication system comprising:

a first data network in connection with a wireless transceiver device which receives wireless communication signals from at least one handheld wireless communications device, where the at least one handheld wireless communication device includes functionality to receive, display, and transmit alphanumeric information, said transceiver device converts, processes and transmits the communications signals received from both the wireless communications device and the first data network;
and
a second data network in connection with the first data network which receives and transmits the communications signals, the second network comprising:
a router device configured to act as an interface with the first data network to receive and process signals from a plurality of data sources, wherein said router device is further configured to identify the communications signals received from the at least one wireless communications device and to direct the communications within the second data network based on the identification;
and
a proxy server configured receives the communications signals from the at least one wireless communication device and to perform particular security operations to determine the validity of the at least one wireless communications device, and if the validity of the at least one wireless communications device is established, providing access to applications in the second data network specially configured to communicate with the at least one handheld wireless communications device.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 09/322,723Filed 28 May 1999
Granted: 25 Dec 2001
Term ends: Not estimatedThe source records don’t support an estimate.

Classification12 codes

H04L 63/0281
For separating internal from external traffic, e.g. firewalls: proxies
H04L 12/66
Data switching networks: arrangements for connecting between networks having differing types of switching systems, e.g. gateways
H04L 63/108
For controlling access to devices or network resources: when the policy decisions are valid for a limited amount of time
H04M 1/72445
With means for local support of applications that increase the functionality: for supporting Internet browser applications