JASRI/SPring-8, Hyogo-ken
* T. Masuda et. al., Proceedings of PCaPAC2005, WEP30 (2005)
CLS, Saskatoon, Saskatchewan
| Paper | Title | Page |
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| THX03 | TCP/IP Vulnerabilities of Embedded-System Implementations | 224 |
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TCP/IP is established as a de facto standard network-communication protocol. Development of the TCP/IP enables us to build a large-scale distributed control system. Recent accelerator-control system consists of many TCP/IP devices; not only computers, but also embedded devices such as digital multimeters, oscilloscopes, multi-channel analyzers, and so on. Since these embedded devices are designed with limited hardware resources, most devices use subset of the TCP/IP components. The limited resources and components therefore cause many problems such as vulnerabilities of TCP/IP implementations. In SPring–8, by increasing the number of network-connected instruments with latent vulnerabilities, more trouble have arisen such as packet flooding and unexpected response delaying. One of the most serious trouble is hang-up of pulse-motor controllers* based on embedded operating system. To determine cause of the trouble, network-connected instruments were inspected using basic TCP/IP tools and security scanners. As a result, we successfully found vulnerabilities of embedded implementation. In this presentation, the cause of vulnerabilities in embedded systems will be discussed.
* T. Masuda et. al., Proceedings of PCaPAC2005, WEP30 (2005) |
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| THX04 | CLS Safety Systems | 227 |
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| The Canadian Light Source has adopted the use of IEC 61508 SIL 3 certified equipment and associated methods in the development of safety critical software. This paper examines the successful application of industrial safety rated PLC equipment in the development of accelerator and beamline safety systems. Of specific note is the application of this technology to a biomedical beamline at the CLS. | ||
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