CA2182777A1 - Security System for Interconnected Computer Networks - Google Patents

Security System for Interconnected Computer Networks

Info

Publication number
CA2182777A1
CA2182777A1 CA2182777A CA2182777A CA2182777A1 CA 2182777 A1 CA2182777 A1 CA 2182777A1 CA 2182777 A CA2182777 A CA 2182777A CA 2182777 A CA2182777 A CA 2182777A CA 2182777 A1 CA2182777 A1 CA 2182777A1
Authority
CA
Canada
Prior art keywords
computer
computer network
network
communications
motherboard
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
CA2182777A
Other languages
French (fr)
Other versions
CA2182777C (en
Inventor
Edward J. Gelb
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.)
Panasonic Corp of North America
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 CA2182777A1 publication Critical patent/CA2182777A1/en
Application granted granted Critical
Publication of CA2182777C publication Critical patent/CA2182777C/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
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • 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
    • H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
    • A61F9/00—Methods or devices for treatment of the eyes; Devices for putting-in contact lenses; Devices to correct squinting; Apparatus to guide the blind; Protective devices for the eyes, carried on the body or in the hand
    • A61F9/0008—Introducing ophthalmic products into the ocular cavity or retaining products therein
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion
    • H04L69/085—Protocols for interworking; Protocol conversion specially adapted for interworking of IP-based networks with other networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
    • H04L69/08—Protocols for interworking; Protocol conversion

Abstract

A security system for connecting a first computer network (10) to a second computer network (26) is provided. The security device has a pair of computer motherboards (12, 20), each of which has a network interface adapter (14 or 22) for receiving and tranferring communications from a computer network (10) to a transfer adapter (16) to be transmitted to the other computer network (24) through a transfer adapter (18) and network interface adapter (22) provided on the other computer motherboard (20). Each motherboard (12 or 20) provides protocol translation from a first protocol to a second protocol and removes source and destination address information from communications transferred to the other computer motherboard (20). Application program interface shim software or dynamic link library software provides control of communications between the two motherboards (12, 20) for passing code necessary to request and receive services from the other computer network.
CA002182777A 1994-12-07 1995-06-08 Security system for interconnected computer networks Expired - Fee Related CA2182777C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/350,541 US5550984A (en) 1994-12-07 1994-12-07 Security system for preventing unauthorized communications between networks by translating communications received in ip protocol to non-ip protocol to remove address and routing services information
US08/350,541 1994-12-07
PCT/US1995/007285 WO1996018253A1 (en) 1994-12-07 1995-06-08 Security system for interconnected computer networks

Publications (2)

Publication Number Publication Date
CA2182777A1 true CA2182777A1 (en) 1996-06-13
CA2182777C CA2182777C (en) 2000-07-18

Family

ID=23377168

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002182777A Expired - Fee Related CA2182777C (en) 1994-12-07 1995-06-08 Security system for interconnected computer networks

Country Status (11)

Country Link
US (1) US5550984A (en)
EP (1) EP0744107A4 (en)
JP (1) JP3009737B2 (en)
KR (1) KR100225574B1 (en)
CN (1) CN1086086C (en)
AU (1) AU687575B2 (en)
CA (1) CA2182777C (en)
IL (1) IL114178A (en)
RU (1) RU2152691C1 (en)
TW (1) TW279292B (en)
WO (1) WO1996018253A1 (en)

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