JP2000505270A - ファイアウォールを通過するコンピュータ資源への外部アクセス - Google Patents
ファイアウォールを通過するコンピュータ資源への外部アクセスInfo
- Publication number
- JP2000505270A JP2000505270A JP10519056A JP51905698A JP2000505270A JP 2000505270 A JP2000505270 A JP 2000505270A JP 10519056 A JP10519056 A JP 10519056A JP 51905698 A JP51905698 A JP 51905698A JP 2000505270 A JP2000505270 A JP 2000505270A
- Authority
- JP
- Japan
- Prior art keywords
- firewall
- external
- internal
- computer
- objects
- 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
Links
- 238000004891 communication Methods 0.000 claims abstract description 28
- 230000004044 response Effects 0.000 claims abstract description 7
- 238000000034 method Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000012545 processing Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000012790 confirmation Methods 0.000 claims 1
- 239000000470 constituent Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 4
- 238000004883 computer application Methods 0.000 abstract 2
- 230000008569 process Effects 0.000 description 12
- 230000000977 initiatory effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005641 tunneling Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002457 bidirectional effect Effects 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009877 rendering Methods 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Classifications
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- 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
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- 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
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- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Computer And Data Communications (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Alarm Systems (AREA)
- Small-Scale Networks (AREA)
- Storage Device Security (AREA)
- Moving Of Heads (AREA)
- Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.ファイアウォールが内部領域と外部領域を規定し、前記外部領域内のオブジ ェクトが前記内部領域内のオブジェクトへのアクセスを直接開始するのを防止す るセキュリティ障壁を形成すると同時に、前記内部領域内のオブジェクトが前記 外部領域内のオブジェクトへのアクセスを直接開始し、アクセスを獲得すること を許すファイアウォール(1)を含むデータ通信ネットワークのためのトンネル 装置であって、 前記ファイアウォール(1)と前記外部領域内のオブジェクトとの間のインタ フェースをとる、前記外部領域内の外部インタフェース・コンピュータ(3)と 、 前記ファイアウォール(1)と前記内部領域内のオブジェクトとの間のインタ フェースをとる、前記内部領域内の内部インタフェース・コンピュータ(2)と 、 前記内部と外部の両方のインタフェース・コンピュータにおいて、前記外部領 域からのアクセスが許可されている前記内部領域内の所定のトラステッド・オブ ジェクトの識別情報を確認する手段と、 前記外部インタフェース・コンピュータにおいて、前記外部領域内のオブジェ クトから送られた要求に応答して、前記確認手段と協調して、前記要求が前記ト ラステッド・オブジェクトのうちの1つのオブジェクトに宛てられたものである か否かを判断し、前記要求がそのように宛てられたものであ る場合、前記要求を前記内部インタフェース・コンピュータにルーティングする 手段と、 前記内部と外部の両方のインタフェース・コンピュータにおいて、前記トラス テッド・オブジェクトのうちの前記1つのオブジェクトに宛てられた前記要求に 応答して、前記トラステッド・オブジェクトのうちの前記1つのオブジェクトと それぞれの前記要求を送った外部オブジェクトとの間のデータ通信接続を形成す る手段とを含み、前記データ通信接続のうちの前記内部領域にあるセグメントと 前記ファイアウォールを通って延びるセグメントが前記内部インタフェース・コ ンピュータの排他的制御下で形成され、前記データ通信接続のうちの前記外部イ ンタフェース・コンピュータから前記要求を送った前記オブジェクトまでのセグ メントが前記外部インタフェース・コンピュータの制御下で形成されるトンネル 装置。 2.前記トラステッド・オブジェクトの識別情報を確認する前記手段が、前記内 部インタフェース・コンピュータにおいて、前記トラステッド・オブジェクトを リストするテーブルの作成と維持を行う手段と、前記テーブル・リストのコピー を前記ファイアウォール(1)を介して前記外部インタフェース・コンピュータ (3)に転送する手段と、前記外部インタフェース・コンピュータにおいて、前 記コピーされたテーブル・リストの記憶と参照を行う手段とを含む、請求項1に 記載のトンネル装置。 3.前記内部インタフェース・コンピュータが、前記外部インタフェース・コン ピュータまでの専用制御接続の確立と維持を行う手段を含み、前記専用制御接続 が前記要求を前記外部インタフェース・コンピュータから前記内部インタフェー ス・コンピュータに伝送するために使用される、請求項1または2に記載のトン ネル装置。 4.トラステッド・オブジェクトの前記テーブル内の各項目(30)が、前記内 部領域内のオブジェクトを識別する第1の情報と、それぞれの前記オブジェクト に割り当てられたデータ通信ポートを識別する第2の情報と、前記ポートを介し てデータを伝送するために使用されるデータ通信プロトコルを識別する第3の情 報とから成る、請求項2に記載のトンネル装置。 5.前記トラステッド・オブジェクトの識別情報を確認する前記手段と、データ 通信接続を形成する前記手段とが、 前記内部と外部の両方のインタフェース・コンピュータ内で実行され、前記確 認手段と前記形成手段を構成要素として含む、トンネル・アプリケーション・プ ログラムと、 前記要求を前記内部インタフェース・コンピュータにルーティングする前記手 段が、前記トンネル・アプリケーション・プログラムの第3の構成要素を含む、 請求項1に記載のトンネル装置。 6.前記内部領域と外部領域がそれぞれ内部および外部のデータ通信ネットワー クを含み、前記内部および外部のインタ フェース・コンピュータが前記ファイアウォールと前記内部ネットワークおよび 外部ネットワークのノードとの間にそれぞれ接続された、請求項1に記載のトン ネル装置。 7.ファイアウォール外部のデータ処理オブジェクトが前記ファイアウォール内 部のデータ処理オブジェクトとのデータ通信接続を確立することができるように する、コンピュータ可読記憶媒体上に記憶されたトンネル・ソフトウェアであっ て、 それぞれ前記ファイアウォールの内部と外部に配置され、前記ファイアウォー ルとそれぞれ前記ファイウォールの内部と外部にある前記オブジェクトとの間の インタフェースをとるコンピュータ上で実行されるように意図された内部および 外部のプログラム・セグメントを含み、 前記内部セグメントが、前記内部コンピュータを操作してトラステッド内部オ ブジェクトのテーブルの作成と維持を行う手段と、前記ファイアウォールと共に 前記内部コンピュータを操作して前記外部セグメントに前記テーブルのコピーを 供給する手段とを含むソフトウェア。 8.コンピュータ・システム・セキュリティ・ファイアウォール(1)外部のオ ブジェクトが前記ファイアウォール内部の選択されたオブジェクトへのデータ接 続を獲得することができるようにする方法であって、 テーブル内の各項目(30)が選択されたオブジェクトと前記オブジェクトに 割り当てられたデータ通信ポートとそれ ぞれの前記ポートに割り当てられたデータ通信プロトコルとを識別する情報を含 む、前記ファイアウォール(1)内部の選択されたオブジェクトのテーブルの作 成と維持を行うステップと、 前記ファイアウォール外部に前記テーブルのコピーを設けるステップと、 外部オブジェクトに前記テーブル内の項目を構成する情報への特定のセキュリ ティ・クリアランス・アクセスを与えるステップと、 それぞれの前記外部オブジェクトに、前記外部オブジェクトに提供された情報 によって規定された前記オブジェクト、ポート、およびプロトコル・エンティテ ィへのアクセスを求める要求を発行させるステップと、 前記ファイアウォールの外部と内部のコンピュータ・システムに、各要求で識 別された特定の内部オブジェクトと前記要求を発行した外部オブジェクトとの間 にデータ伝送接続を確立させるステップとを含み、前記データ伝送接続のうちの 前記ファイアウォールの内部にあるセグメントと前記ファイアウォールを通って 延びるセグメントが前記ファイアウォールの内部の前記コンピュータ・システム の排他的制御下で形成される方法。 9.前記内部コンピュータと前記外部コンピュータとの間に専用制御接続を確立 するステップと、 前記制御接続を排他的に使用して、前記テーブル内の項目 に対応する情報を含む要求を前記外部コンピュータから前記内部コンピュータに 排他的に伝送し、前記ファイアウォールを介した前記データ接続を確立する必要 に応じて前記コンピュータ間の通信を持続させるステップとを含む、請求項8に 記載の方法。
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 |
---|---|
JP2000505270A true JP2000505270A (ja) | 2000-04-25 |
JP3285882B2 JP3285882B2 (ja) | 2002-05-27 |
Family
ID=24940995
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP51905698A Expired - Lifetime JP3285882B2 (ja) | 1996-10-21 | 1997-10-02 | ファイアウォールを通過するコンピュータ資源への外部アクセス |
Country Status (17)
Country | Link |
---|---|
US (2) | US5944823A (ja) |
EP (1) | EP0932965B1 (ja) |
JP (1) | JP3285882B2 (ja) |
KR (1) | KR100330619B1 (ja) |
CN (1) | CN1107400C (ja) |
AT (1) | ATE285151T1 (ja) |
BR (2) | BR9712635A (ja) |
CA (1) | CA2269544C (ja) |
CZ (1) | CZ295858B6 (ja) |
DE (1) | DE69731965T2 (ja) |
ES (1) | ES2231895T3 (ja) |
HU (1) | HUP0000336A3 (ja) |
MY (1) | MY127656A (ja) |
PL (1) | PL332828A1 (ja) |
RU (1) | RU2178583C2 (ja) |
TW (1) | TW362177B (ja) |
WO (1) | WO1998018248A1 (ja) |
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JP4492248B2 (ja) * | 2004-08-04 | 2010-06-30 | 富士ゼロックス株式会社 | ネットワークシステム、内部サーバ、端末装置、プログラム、およびパケット中継方法 |
JP2007102807A (ja) * | 2006-11-27 | 2007-04-19 | Seiko Epson Corp | ネットワークに接続された仲介装置 |
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CA2269544C (en) | 2004-12-28 |
KR100330619B1 (ko) | 2002-03-29 |
DE69731965D1 (de) | 2005-01-20 |
JP3285882B2 (ja) | 2002-05-27 |
ATE285151T1 (de) | 2005-01-15 |
PL332828A1 (en) | 1999-10-11 |
WO1998018248A1 (en) | 1998-04-30 |
CA2269544A1 (en) | 1998-04-30 |
ES2231895T3 (es) | 2005-05-16 |
CN1180871A (zh) | 1998-05-06 |
BR9705094A (pt) | 1999-06-29 |
KR20000048930A (ko) | 2000-07-25 |
BR9712635A (pt) | 1999-10-26 |
RU2178583C2 (ru) | 2002-01-20 |
HUP0000336A3 (en) | 2000-08-28 |
CZ295858B6 (cs) | 2005-11-16 |
CZ138799A3 (cs) | 1999-08-11 |
HUP0000336A2 (hu) | 2000-06-28 |
EP0932965B1 (en) | 2004-12-15 |
US5944823A (en) | 1999-08-31 |
EP0932965A1 (en) | 1999-08-04 |
CN1107400C (zh) | 2003-04-30 |
MY127656A (en) | 2006-12-29 |
TW362177B (en) | 1999-06-21 |
DE69731965T2 (de) | 2005-12-29 |
US6061797A (en) | 2000-05-09 |
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