JP2013078134A - 分散多重処理セキュリティゲートウエイのためのシステム及び方法 - Google Patents
分散多重処理セキュリティゲートウエイのためのシステム及び方法 Download PDFInfo
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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
- H04L63/20—Network architectures or network communication protocols for network security for managing network security; network security policies in general
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- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/2539—Hiding addresses; Keeping addresses anonymous
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
- H04L61/2503—Translation of Internet protocol [IP] addresses
- H04L61/2557—Translation policies or rules
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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
- H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
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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
- H04L63/0209—Architectural arrangements, e.g. perimeter networks or demilitarized zones
- H04L63/0218—Distributed architectures, e.g. distributed firewalls
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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
- H04L63/0227—Filtering policies
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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
- H04L63/0281—Proxies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
Abstract
【解決手段】分散多重処理セキュリティゲートウエイのためのシステム及び方法は、ホスト側セッションを確立し、サーバに対するプロキシネットワークアドレスを選択し、サーバ側セッションを確立するためにプロキシネットワークアドレスを使用し、データパケットを受け取り、データパケットを処理するためにセキュリティゲートウエイのマルチコアプロセッサ内の複数の中央処理装置(CPU)コアから1つのCPUコアを割り当て、セキュリティポリシーにしたがってデータパケットを処理して、処理済データパケットを送る。プロキシネットワークアドレスはサーバ側セッション及びホスト側セッションからのデータパケットの処理に同じCPUコアが割り当てられるように選択される。
【選択図】図2
Description
265 サーバ側セッション
269 ホスト側セッション
270 分散多重処理セキュリティゲートウエイ
272 処理要素
273 処理要素アイデンティティ
275 ディスパッチャー
277 ネットワークアドレスセレクタ
285,288 データパケット
Claims (6)
- それぞれが処理要素アイデンティティを有する複数の中央処理装置コアを含む、マルチコアプロセッサを備えたセキュリティゲートウエイを介して、ホストとサーバの間のセッションを確立する方法において、
(a)前記セッションに対するセッションリクエストであって、ホストネットワークアドレスとサーバネットワークアドレスとを含むセッションリクエストを前記ホストから受け取り、ホスト側セッションを確立するステップ、
(b)サーバに対し、前記ホストネットワークアドレスと置換して用いるためのプロキシネットワークアドレスを選択するステップ、
(c)サーバ側セッションを確立するために前記プロキシネットワークアドレスを使用するステップ、
(d)データパケットを受け取るステップ、
(e)前記データパケットを処理するために前記複数の中央処理装置コアから1つの中央処理装置コアを割り当てるステップ、
を含み、
前記ステップ(e)において、前記ホスト側セッションからのデータパケットに対しては、該データパケットに含まれる前記ホストネットワークアドレスに基づいて、予め決められた計算方法により第1の処理要素アイデンティティを計算し、該第1の処理要素アイデンティティにより指定される中央処理装置コアを割り当て、前記サーバ側セッションからのデータパケットに対しては、該データパケットに含まれる前記プロキシネットワークアドレスに基づいて、予め決められた計算方法により第2の処理要素アイデンティティを計算し、該第2の処理要素アイデンティティにより指定される中央処理装置コアを割り当て、
前記ステップ(b)において、前記ステップ(e)で計算される前記第1の処理要素アイデンティティと前記第2の処理要素アイデンティティとが同じになるように、前記プロキシネットワークアドレスを選択する
ことを特徴とする方法。 - 前記ホストネットワークアドレスがホストIPアドレスを含み、
前記プロキシネットワークアドレスがプロキシIPアドレスを含み、
前記ステップ(b)において、前記ホストIPアドレスを置換するための前記プロキシIPアドレスが決定されることを特徴とする請求項1記載の方法。 - 前記ホストネットワークアドレスがホストのTCPポート番号を含み、
前記プロキシネットワークアドレスがプロキシTCPポート番号を含み、
前記ステップ(b)において、前記ホストのTCPポート番号を置換するための前記プロキシTCPポート番号が決定されることを特徴とする請求項1記載の方法。 - セキュリティゲートウエイにおいて、
それぞれが処理要素アイデンティティを有する複数の中央処理装置コアを含む、マルチコアプロセッサ、
ホストとサーバの間のセッションに対するセッションリクエストであって、ホストネットワークアドレスとサーバネットワークアドレスとを含むセッションリクエストを前記ホストから受け取るため、前記サーバに対し、前記ホストネットワークアドレスと置換して用いるためのプロキシネットワークアドレスを選択するため、並びにサーバ側セッション及びホスト側セッションを確立するための、ネットワークアドレスセレクタ、及び
前記サーバ側セッション及び前記ホスト側セッションからの複数のデータパケットを処理するために前記複数の中央処理装置コアから1つの中央処理装置コアを割り当てるためのディスパッチャーであって、前記ホスト側セッションからのデータパケットに対しては、該データパケットに含まれる前記ホストネットワークアドレスに基づいて、予め決められた計算方法により第1の処理要素アイデンティティを計算し、該第1の処理要素アイデンティティにより指定される中央処理装置コアを割り当て、前記サーバ側セッションからのデータパケットに対しては、該データパケットに含まれる前記プロキシネットワークアドレスに基づいて、予め決められた計算方法により第2の処理要素アイデンティティを計算し、該第2の処理要素アイデンティティにより指定される中央処理装置コアを割り当てるディスパッチャー、
を備え、
前記ネットワークアドレスセレクタは、前記ディスパッチャーにより計算される前記第1の処理要素アイデンティティと前記第2の処理要素アイデンティティとが同じになるように、前記プロキシネットワークアドレスを選択する
ことを特徴とするセキュリティゲートウエイ。 - 前記ホストネットワークアドレスがホストIPアドレスを含み、
前記プロキシネットワークアドレスがプロキシIPアドレスを含み、
前記ネットワークアドレスセレクタが、前記ホストIPアドレスを置換するための前記プロキシIPアドレスを決定することを特徴とする請求項4記載のセキュリティゲートウエイ。 - 前記ホストネットワークアドレスがホストのTCPポート番号を含み、
前記プロキシネットワークアドレスがプロキシTCPポート番号を含み、
前記ネットワークアドレスセレクタが、前記ホストのTCPポート番号を置換するための前記プロキシTCPポート番号を決定することを特徴とする請求項4記載のセキュリティゲートウエイ。
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JP2011505752A (ja) | 2011-02-24 |
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US8904512B1 (en) | 2014-12-02 |
US8918857B1 (en) | 2014-12-23 |
CN101878663B (zh) | 2014-06-11 |
JP5364101B2 (ja) | 2013-12-11 |
EP2215863A4 (en) | 2012-12-26 |
EP2575328A1 (en) | 2013-04-03 |
WO2009073295A1 (en) | 2009-06-11 |
JP2013059122A (ja) | 2013-03-28 |
US8943577B1 (en) | 2015-01-27 |
JP5480959B2 (ja) | 2014-04-23 |
EP2575328B1 (en) | 2014-11-26 |
US20160065619A1 (en) | 2016-03-03 |
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