c19) United States
`c12) Reissued Patent
`Ikudome et al.
`
`I 1111111111111111 lllll lllllll llll llll lllll lllll lllll lllll 111111111111111111
`
`US00RE46459E
`
`US RE46,459 E
`(10) Patent Number:
`(45) Date of Reissued Patent:
`Jun. 27, 2017
`
`(54) USER SPECIFIC AUTO MATIC DATA
`REDIRECTION SY STEM
`
`(56)
`
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`
`(71) Applicant: Linksmart Wireless Technology, LLC,
`Pasadena, CA (US)
`
`(72)
`
`Inventors: Koichiro Ikudome, Lomita, CA (US);
`Moon Tai Yeung, Monrovia, CA (US)
`
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`(Continued)
`
`............. 395/187.01
`
`FOREIGN PATENT DOCUMENTS
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`(73) Assignee: LINKSMART WIRELESS
`TECHNOLOGY, LLC, Pasadena, CA
`(US)
`
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`
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`
`(21) Appl. No.: 14/691,246
`
`(22) Filed:
`
`Apr. 20, 2015
`
`Related U.S. Patent Documents
`
`Reissue of:
`(64) Patent No.:
`Issued:
`Appl. No.:
`Filed:
`U.S. Applications:
`(60) Provisional application No. 60/084,014, filed on May
`4, 1998.
`
`6,779,118
`Aug. 17, 2004
`09/295,966
`Apr. 21, 1999
`
`(51)
`
`Int. Cl.
`
`H04L 29106
`(52) U.S. Cl.
`CPC .............. H04L 29106 (2013.01); H04L 63/08
`(2013.01)
`
`(2006.01)
`
`( 58) Field of Classification Search
`CPC . H04L 29/06; H04L 63/0227; H04L 63/0236;
`H04L 63/0263; H04L 63/08; H04L
`63/102; H04L 63/0435; H04L 67/2814;
`H04L 67/42
`USPC .................................... 726/7, 14; 705/50-80
`See application file for complete search history.
`
`OTHER PUBLICATIONS
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`Riden, R. et al.: Gateway Special Interest Group Meeting Notes;
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`(Continued)
`
`Primary Examiner - Jalatee Worjloh
`(74) Attorney, Agent, or Firm - Hershkovitz &
`Associates, PLLC; Abe Hershkovitz
`
`(57)
`
`ABSTRACT
`
`A data redirection system for redirecting user's data based
`on a stored rule set. The redirection of data is performed by
`a redirection server, which receives the redirection rule sets
`for each user from an authentication and accounting server,
`and a database. Prior to using the system, users authenticate
`with the authentication and accounting server, and receive a
`network address. The authentication and accounting server
`retrieves the proper rule set for the user, and communicates
`the rule set and the user's address to the redirection server.
`The redirection server then implements the redirection rule
`set for the user's address. Rule sets are removed from the
`redirection server either when the user disconnects, or based
`on some predetermined event. New role sets are added to the
`redirection server either when a user connects, or based on
`some predetermined event.
`
`43 Claims, 1 Dr awing Sheet
`
`o !AL ~-u·P~
`NETWORKING 1-4.,._il'i..,I GATEW~Y I· ~
`·c
`--,
`0 '"\.I' I L...I "_' L. ·~
`108 ( __ .,.,.
`\
`~)
`INTERNET.,.,
`
`____
`
`(
`
`AUTHENTICATION
`AND ACCOUNTING -----i _DAT.ABASE ~ 0
`SERVER
`~
`- \ ._ 1 06
`
`SEl~VER _
`
`-
`
`102
`
`·104
`
`Panasonic-1001
`Page 1 of 17
`
`

`

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`
`

`

`US RE46,459 E
`Page 5
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`* cited by examiner
`
`Panasonic-1001
`Page 5 of 17
`
`

`

`U.S. Patent
`
`Jun.27,2017
`
`US RE46,459 E
`
`FIG.1
`
`, ..... •----.
`GATEW~Y
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`t
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`Panasonic-1001
`Page 6 of 17
`
`

`

`Matter enclosed in heavy brackets [ ] appears in the
`original patent but forms no part of this reissue specifica(cid:173)
`tion; matter printed in italics indicates the additions
`made by reissue; a claim printed with strikethrough
`indicates that the claim was canceled, disclaimed, or held
`invalid by a prior post-patent action or proceeding.
`
`RELATED APPLICATION
`
`This application claims priority of U.S. Provisional Appli(cid:173)
`cation No. 60/084,014 filed May 4, 1998, the disclosure of
`which is incorporated fully herein by reference.
`
`FIELD OF THE INVENTION
`
`BACKGROUND OF THE INVENTION
`
`1
`USER SPECIFIC AUTOMATIC DATA
`REDIRECTION SYSTEM
`
`US RE46,459 E
`
`2
`the user begins. The browser then requests the redirected
`WWW page according to the URL contained in the first
`page's html code. Alternately, redirection can also be
`accomplished by coding the page such that it instructs the
`5 browser to run a program, like a Java applet or the like,
`which then redirects the browser. One disadvantage with
`current redirection technology is that control of the redirec(cid:173)
`tion is at the remote end, or WWW server end-and not the
`local, or user end. That is to say that the redirection is
`10 performed by the remote server, not the user's local gateway.
`Filtering packets at the Internet Protocol (IP) layer has
`been possible using a firewall device or other packet filtering
`device for several years. Although packet filtering is most
`15 often used to filter packets coming into a private network for
`security purposes, once properly programed, they can filter
`outgoing packets sent from users to a specific destination as
`well. Packet filtering can distinguish, and filter based on, the
`type of IP service contained within an IP packet. For
`This invention relates to the field of Internet communi- 20 example, the packet filter cart determine if the packet
`contains FTP (file transfer protocol) data, WWW data, or
`cations, more particularly, to a database system for use in
`Telnet session data. Service identification is achieved by
`dynamically redirecting and filtering Internet traffic.
`identifying the terminating port number contained within
`each IP packet header. Port numbers are standard within the
`25 industry to allow for interoperability between equipment.
`Packet filtering devices allow network administrators to
`filter packets based on the source and/or destination infor(cid:173)
`mation, as well as on the type of service being transmitted
`within each IP packet. Unlike redirection technology, packet
`30 filtering technology allows control at the local end of the
`network connection, typically by the network administrator.
`However, packet filtering is very limited because it is static.
`Once packet filtering rule sets are programed into a firewall
`35 or other packet filter device, the rule set can only be changed
`by manually reprogrannning the device.
`Packet filter devices are often used with proxy server
`systems, which provide access control to the Internet and are
`most often used to control access to the world wide web. In
`a typical configuration, a firewall or other packet filtering
`device filters all WWW requests to the Internet from a local
`network, except for packets from the proxy server. That is to
`say that a packet filter or firewall blocks all traffic originating
`from within the local network which is destined for con-
`nection to a remote server on port 80 (the standard WWW
`port number). However, the packet filter or firewall permits
`such traffic to and from the proxy server. Typically, the proxy
`server is programed with a set of destinations that are to be
`blocked, and packets destined for blocked addresses are not
`50 forwarded. When the proxy server receives a packet, the
`destination is checked against a database for approval. If the
`destination is allowed, the proxy server simply forwards
`packets between the local user and the remote server outside
`the firewall. However, proxy servers are limited to either
`55 blocking or allowing specific system terminals access to
`remote databases.
`A recent system is disclosed in U.S. Pat. No. 5,696,898.
`This patent discloses a system, similar to a proxy server, that
`allows network administrators
`to
`restrict specific IP
`60 addresses inside a firewall from accessing information from
`certain public or otherwise uncontrolled databases (i.e., the
`WWW /Internet). According to the disclosure, the system has
`a relational database w