CA2394456A1 - Flexible automated connection to virtual private networks - Google Patents

Flexible automated connection to virtual private networks Download PDF

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Publication number
CA2394456A1
CA2394456A1 CA002394456A CA2394456A CA2394456A1 CA 2394456 A1 CA2394456 A1 CA 2394456A1 CA 002394456 A CA002394456 A CA 002394456A CA 2394456 A CA2394456 A CA 2394456A CA 2394456 A1 CA2394456 A1 CA 2394456A1
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CA
Canada
Prior art keywords
interface unit
lan
network interface
vpn
establishing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002394456A
Other languages
French (fr)
Other versions
CA2394456C (en
Inventor
Yihsiu Chen
Mark Jeffrey Foladare
Shelley B. Goldman
Thomas Joseph Killian
Norman Loren Schryer
Kevin Stone
Roy Philip Weber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AT&T Corp
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2394456A1 publication Critical patent/CA2394456A1/en
Application granted granted Critical
Publication of CA2394456C publication Critical patent/CA2394456C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0272—Virtual private networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/46—Interconnection of networks
    • H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
    • H04L12/4675—Dynamic sharing of VLAN information amongst network nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
    • H04L63/0227—Filtering policies
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00—Network architectures or network communication protocols for network security
    • H04L63/08—Network architectures or network communication protocols for network security for authentication of entities
    • H04L63/083—Network architectures or network communication protocols for network security for authentication of entities using passwords

Abstract

A network interface unit is provided for use intermediate a LAN and a public or private network, or a combination of both, for establishing secure links to a VPN gateway. Login by a LAN client with the network interface unit, addressing, authentication, and other configuration operations achieved using a web page-based GUI are applied in establishing tunnels from LAN clients to desired VPN destinations.
Illustrative network interface units include a DHCP server and provide encryption-decryption and encapsulation--decapsulation of data packets for communication with VPN
nodes. Configuration and connection of a client are further enhanced by a built-in DNS server and other functional servers to provide a high degree of autonomy in establishing connections to a desired VPN gateway via an ISP or other public and/or private network links to. The interface unit then performs required authentication exchanges, and required encryption key exchanges.
CA002394456A 2001-07-23 2002-07-22 Flexible automated connection to virtual private networks Expired - Fee Related CA2394456C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/911,061 US7827292B2 (en) 2001-07-23 2001-07-23 Flexible automated connection to virtual private networks
US09/911,061 2001-07-23

Publications (2)

Publication Number Publication Date
CA2394456A1 true CA2394456A1 (en) 2003-01-23
CA2394456C CA2394456C (en) 2007-06-12

Family

ID=25429700

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002394456A Expired - Fee Related CA2394456C (en) 2001-07-23 2002-07-22 Flexible automated connection to virtual private networks

Country Status (2)

Country Link
US (2) US7827292B2 (en)
CA (1) CA2394456C (en)

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US20030028650A1 (en) 2003-02-06
CA2394456C (en) 2007-06-12
US7827292B2 (en) 2010-11-02
US20060080441A1 (en) 2006-04-13

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