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Arrangement for controlling access to data network

  • US 20110310863A1
  • Filed: 06/22/2010
  • Published: 12/22/2011
  • Est. Priority Date: 06/22/2010
  • Status: Active Grant
First Claim
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1. An arrangement that includes a wireless telephone with capability to connect to a data network, and with a module within said telephone that implements access point (AP) function, router and network address translation functions to thereby create a wireless local area network (W2LAN) which, when receiving a packet that from said W2LAN which requests connection to a specified destination address on the data network (requesting device) replaces the LAN source address of said packet with network address of said router and inserts a port number in said packet, the improvement comprising:

  • said module selects said port number, from a set of pre-chosen port numbers.

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