Electrical computers and digital processing systems: multicomput – Computer network managing – Computer network access regulating
Reexamination Certificate
2001-07-23
2010-11-02
Lin, Kenny S (Department: 2452)
Electrical computers and digital processing systems: multicomput
Computer network managing
Computer network access regulating
C709S223000, C726S015000
Reexamination Certificate
active
07827278
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.
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Chen Yihsiu
Foladare Mark Jeffrey
Goldman Shelley B.
Killian Thomas Joseph
Schryer Norman Loren
AT&T Intellectual Property II L.P.
Hanley Flight & Zimmerman LLC
Lin Kenny S
LandOfFree
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