GarrettComメーカーEthernet Networks and Web Managementの使用説明書/サービス説明書
ページ先へ移動 of 12
Secure Industrial Control Utilizing High Speed Ethernet Networks and Web Management GarrettCom, Inc. 47823 Westinghouse Drive Fremont, CA 94539 PH: (510) 438-9071 FAX: (510) 438-9072 www.
1 INTRODUCTION This paper explores the state of ne twork security options today at the Ethernet switch level and offers an elementary roadmap for industrial operations to plan for and deploy secure communications systems.
More and more industrial sites are taking advantag e of Ethernet as a mature, end-to-end, standards- based networking, communications and data transmi ssion protocol because it offers convenience and efficiency that bring higher performance and lower cost.
As Ethernet has expanded into outly ing industrial facilities, two types of network structures emerge: Local and Remote. The Local Ethernet structure is within th e walls of a singl e facility which c.
be properly addressed, the benefits of controlling the f unctioning of equipm ent in remote locations such as power substations, and linking outlying facil ities such as aircraft maintenance hubs and other far-flung industrial applications.
(TLS). These features allow an Ethernet switch to handle HyperText Transfer Protocol Secure (HTTPS), the highest level of Web access secu rity available. Other security strategies available to Ethernet eq u ipment include port security, rem ote Telnet access security, password protection and remote unit cut-o ff protection.
Ethernet switch level, assisting readers in appr eciating the m ultiple levels of industrial network security and the overall complexity required to achieve a highly se cure distributed communications system. REFERENCES Bond, Andrew, “Security Could Put Process Control Under IT”, ControlGlobal.
APPENDIX A BRIEF OVERVIEW OF SP99 AND PCSRF At the vanguard of developing security guide lines for industrial c ontrol systems are the Instrumentation, Systems, and Automation Society (IS A) and the National Institute of Standards and Technology (NIST).
• security vulnerabilities addre ssed by this technology; • typical deployment; • known issues and weaknesses; • assessment of use in the manufacturing and control system environment.
APPENDIX B SECURITY STANDARDS IN USE IN ETHERNET INS TALLATIONS The protocols and standards listed below are readily available components that can be used to implement secure Ethernet networks in factories, power substations and other industrial sites.
authorized manager, and that the me ssage was not altered in transit. Note that the shared secret key between sending and receiving parties must be prec onfigured by a configurati on manager or a network manager, and loaded into the databases of the various SNMP m anagers and agents.
11 TLS – Transport Layer Security TLS is a successor to SSL, using a wider variety of cryptographic algorithm s for access security. It is standardized by the Internet Engineering Task For ce (IETF). It is a protoc ol that provides secure communication over a TCP/IP connection such as th e Intern et.
デバイスGarrettCom Ethernet Networks and Web Managementの購入後に（又は購入する前であっても）重要なポイントは、説明書をよく読むことです。その単純な理由はいくつかあります：
GarrettCom Ethernet Networks and Web Managementをまだ購入していないなら、この製品の基本情報を理解する良い機会です。まずは上にある説明書の最初のページをご覧ください。そこにはGarrettCom Ethernet Networks and Web Managementの技術情報の概要が記載されているはずです。デバイスがあなたのニーズを満たすかどうかは、ここで確認しましょう。GarrettCom Ethernet Networks and Web Managementの取扱説明書の次のページをよく読むことにより、製品の全機能やその取り扱いに関する情報を知ることができます。GarrettCom Ethernet Networks and Web Managementで得られた情報は、きっとあなたの購入の決断を手助けしてくれることでしょう。
GarrettCom Ethernet Networks and Web Managementを既にお持ちだが、まだ読んでいない場合は、上記の理由によりそれを行うべきです。そうすることにより機能を適切に使用しているか、又はGarrettCom Ethernet Networks and Web Managementの不適切な取り扱いによりその寿命を短くする危険を犯していないかどうかを知ることができます。
ですが、ユーザガイドが果たす重要な役割の一つは、GarrettCom Ethernet Networks and Web Managementに関する問題の解決を支援することです。そこにはほとんどの場合、トラブルシューティング、すなわちGarrettCom Ethernet Networks and Web Managementデバイスで最もよく起こりうる故障・不良とそれらの対処法についてのアドバイスを見つけることができるはずです。たとえ問題を解決できなかった場合でも、説明書にはカスタマー・サービスセンター又は最寄りのサービスセンターへの問い合わせ先等、次の対処法についての指示があるはずです。
