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Container platforms ease the deployment of applications and respond to failures. The advantages of container platforms have promoted their use in information services. However, the use of container platforms is accompanied by associated security risks. For instance, malware uploaded by users can leak important information, and malicious operators can cause unauthorized modifications to important files to create service errors. These security threats degrade the quality of information services and reduce their reliability. To overcome these issues, important container files should be protected by file-access control functions. However, legacy file-access control techniques, such as umask and SecureOS, do not support container platforms. To address this problem, we propose a novel kernel-based architecture in this study to control access to container files. The proposed container file-access control architecture comprises three components. The functionality and performance of the proposed architecture were assessed by implementing it on a Linux platform. Our analysis confirmed that the proposed architecture adequately controls users’ access to container files and performs on par with legacy file-access control techniques. |
