CA2269544A1 - Outside access to computer resources through a firewall - Google Patents

Outside access to computer resources through a firewall

Info

Publication number
CA2269544A1
CA2269544A1 CA002269544A CA2269544A CA2269544A1 CA 2269544 A1 CA2269544 A1 CA 2269544A1 CA 002269544 A CA002269544 A CA 002269544A CA 2269544 A CA2269544 A CA 2269544A CA 2269544 A1 CA2269544 A1 CA 2269544A1
Authority
CA
Canada
Prior art keywords
firewall
outside
tunnelling
applications
special
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
CA002269544A
Other languages
French (fr)
Other versions
CA2269544C (en
Inventor
Prashanth Jade
Victor Stuart Moore
Arun Mohan Rao
Glen Robert Walters
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.)
Trend Micro Inc
Original Assignee
International Business Machines Corporation
Prashanth Jade
Victor Stuart Moore
Arun Mohan Rao
Glen Robert Walters
Trend Micro Incorporated
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 International Business Machines Corporation, Prashanth Jade, Victor Stuart Moore, Arun Mohan Rao, Glen Robert Walters, Trend Micro Incorporated filed Critical International Business Machines Corporation
Publication of CA2269544A1 publication Critical patent/CA2269544A1/en
Application granted granted Critical
Publication of CA2269544C publication Critical patent/CA2269544C/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
    • 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
    • H04L63/029—Firewall traversal, e.g. tunnelling or, creating pinholes
    • 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

Abstract

A firewall isolates computer and network resources inside the firewall from networks, computers and computer applications outside the firewall. Usually, a firewall allows for an inside user or object to originate connection to an outside object or network, but does not allow for connections to be generated in the reverse direction; i.e. from outside in. The disclosed invention provides a special "tunnelling"
mechanism, operating on both sides of a firewall, for establishing such "outside in" connections when they are requested by certain "trusted"
individuals or objects or applications outside the firewall. The mechanism includes special tunnelling applications, running on interface servers inside and outside the firewall, and a special table of "trusted sockets" created and maintained by the inside tunnelling application.
CA002269544A 1996-10-16 1997-10-02 Outside access to computer resources through a firewall Expired - Fee Related CA2269544C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/731,800 1996-10-21
US08/731,800 US5944823A (en) 1996-10-21 1996-10-21 Outside access to computer resources through a firewall
PCT/GB1997/002712 WO1998018248A1 (en) 1996-10-21 1997-10-02 Outside access to computer resources through a firewall

Publications (2)

Publication Number Publication Date
CA2269544A1 true CA2269544A1 (en) 1998-04-30
CA2269544C CA2269544C (en) 2004-12-28

Family

ID=24940995

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002269544A Expired - Fee Related CA2269544C (en) 1996-10-16 1997-10-02 Outside access to computer resources through a firewall

Country Status (17)

Country Link
US (2) US5944823A (en)
EP (1) EP0932965B1 (en)
JP (1) JP3285882B2 (en)
KR (1) KR100330619B1 (en)
CN (1) CN1107400C (en)
AT (1) ATE285151T1 (en)
BR (2) BR9712635A (en)
CA (1) CA2269544C (en)
CZ (1) CZ295858B6 (en)
DE (1) DE69731965T2 (en)
ES (1) ES2231895T3 (en)
HU (1) HUP0000336A3 (en)
MY (1) MY127656A (en)
PL (1) PL332828A1 (en)
RU (1) RU2178583C2 (en)
TW (1) TW362177B (en)
WO (1) WO1998018248A1 (en)

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RU2178583C2 (en) 2002-01-20
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BR9705094A (en) 1999-06-29
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HUP0000336A3 (en) 2000-08-28
US6061797A (en) 2000-05-09
EP0932965B1 (en) 2004-12-15
KR20000048930A (en) 2000-07-25
CA2269544C (en) 2004-12-28
JP3285882B2 (en) 2002-05-27
CN1107400C (en) 2003-04-30
US5944823A (en) 1999-08-31
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MY127656A (en) 2006-12-29
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ES2231895T3 (en) 2005-05-16
CZ138799A3 (en) 1999-08-11
PL332828A1 (en) 1999-10-11
EP0932965A1 (en) 1999-08-04
DE69731965D1 (en) 2005-01-20
CN1180871A (en) 1998-05-06
ATE285151T1 (en) 2005-01-15

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