5,731 research outputs found

    Securing javascript runtime of OPC UA deployments

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    OPC UA is a commonly used machine-to-machine communication protocol. As it is used in industrial critical infrastructure, its security is vital. OPC UA has several proprietary and open-source implementations in different programming languages. Among them, a JavaScript implementation node-opcua stands out due to advantages such as ease of use, code maturity etc. JavaScript is a just-in-time compiled programming language that is executed by a runtime system. Node.js is the most common runtime environment to run JavaScript programs. Deno is it a potential and unofficial successor as it is developed by the original author of Node.js. One promised improvement of Deno is the focus on higher security, such as having a restricted file system and network access by default. Since (1) not all libraries have been adopted yet for for Deno, since (2) this new runtime comes with a compatibility mode featured first in version v1.15, since (3) there is very few research literature yet and since (4) there is no current dedicated OPC UA implementation for Deno so far, we present and evaluate measures to overcome errors when running node-opcua on Deno in this paper

    Vol Walker Library

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    Marvin A. Miller, John Williams and Evine Fay Jones looking at the new acquisition of a Frank Lloyd Wright book. On verso: [attached description of photo: "Not the POSTOFFICE'S FAULT--It took the University of Arkansas 18 years to get this copy of Frank Lloyd Wright's "Buildings, Plans, and Designs" but library Director Marvin Miller (left) explains to architecture department Chairman John Williams and architect Prof. Euine Fay Jones that the American edition of the book, ordered in 1946, was just recently published. It is the UA library's 500,000th volume."] Slide no. 46.3.Vol Walker Hall, originally Vol Walker Memorial Library, was built in 1935 with funding from the Public Works Administration and was named to honor James Volney Walker. After construction of Mullins Library in 1968, Vol Walker Hall became an academic home to the architecture program. In 2013, an addition of the Steven L. Anderson Design Center and major renovation of the original building allowed the landscape architecture and interior design programs to join architecture in the building

    Vol Walker Library

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    Marvin A. Miller and Dr. Russell E. Westmeyer looking through boxes containing the Oren Harris papers. On verso: [attached description of photo: "OREN HARRIS COLLECTION--Dr. Russell E. Westmeyer, professor of business (left), and Marvin A. Miller, director of libraries at the University of Arkansas, examine boxes of records of Congressional committee and floor action which have been given to the UA by Congressman Oren Harris, who has left Washington to accept a federal judgeship in Arkansas. Harris served for nine years as chairman of the House Interstate and Foreign Commerce Committee, records of which Westmeyer is interested."].Vol Walker Hall, originally Vol Walker Memorial Library, was built in 1935 with funding from the Public Works Administration and was named to honor James Volney Walker. After construction of Mullins Library in 1968, Vol Walker Hall became an academic home to the architecture program. In 2013, an addition of the Steven L. Anderson Design Center and major renovation of the original building allowed the landscape architecture and interior design programs to join architecture in the building

    Bubba Walker

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    Bubba Walker, a MSU basketball player, is pictured close-up.https://scholarsjunction.msstate.edu/ua-photo-collection/3869/thumbnail.jp

    Anthony Walker

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    Anthony Walker, a MSU football player, is pictured close-up.https://scholarsjunction.msstate.edu/ua-photo-collection/3872/thumbnail.jp

    Class, Buz M. Walker

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    early classroom scene- Buz Walker was the professor. Dr. Walker and students are pictured at the blackboard as one person appears to be explaining something to the rest of the class.https://scholarsjunction.msstate.edu/ua-photo-collection/1916/thumbnail.jp

    Sydney Tucker and Anthony Walker

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    M Club Sweethearts Sydney Tucker and Anthony Walker holding ornamenthttps://scholarsjunction.msstate.edu/ua-photo-collection/3324/thumbnail.jp

    B. M. Walker

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    picture of a drawing of Walker who is standing, facing forward, wearing a suit and tiehttps://scholarsjunction.msstate.edu/ua-photo-collection/2486/thumbnail.jp

    Elizabeth Walker and Fauvette

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    Elizabeth Walker and Fauvette, the registered Jersey she won as a prize for her dairy club work, at Mississippi State Fairhttps://scholarsjunction.msstate.edu/ua-photo-collection/6956/thumbnail.jp
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