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Informative Article | Engineering Science | India | Volume 12 Issue 11, November 2023 | Rating: 5.2 / 10
Securing AWS EC2: Streamlining IMDS Transition from Third-Party IMDSv1 Calls to IMDSv2 with Proxy Server Integration
Balasubrahmanya Balakrishna
Abstract: This paper highlights the critical need to strengthen the security of Amazon Web Services (AWS) Elastic Compute Cloud (EC2) instances by strategically migrating third-party applications from Instance Metadata Service version 1 (IMDSv1) to version 2 (IMDSv2). The approach employs proxying, showcasing innovation in the migration process. The significance of this methodology becomes apparent when organizations must address the imperative of upgrading third-party software to utilize IMDSv2 calls on EC2 instances. The paper introduces an algorithmic solution in response to potential cost implications associated with such upgrades. This solution intercepts IMDSv1 calls initiated by third-party applications, gathers metadata, and smoothly transitions to IMDSv2 calls. The result ensures a seamless achievement of the security enhancement through a cost-effective alternative for migration. The complexities of the migration process become especially apparent in environments where several mission-critical applications are intricately dependent on the current infrastructure, making this proxying strategy vital. Recognizing that adopting IMDSv2 is a critical security enhancement, addressing vulnerabilities inherent in IMDSv1, this article presents a comprehensive guide explaining the step-by-step procedure of establishing a proxy. This intermediary enables seamless communication between third-party applications and EC2 instances, speeding the move to IMDSv2. Furthermore, the suggested proxying strategy is helpful when cost considerations and potential disruptions associated with third-party application version upgrades are vital variables. By providing an in-depth examination of the migration process, this paper aims to be a valuable resource, providing practical insights and guidance to organizations looking to strengthen the security posture of their AWS EC2 instances while effectively managing the complexities inherent in such transitions. Importantly, this new concept is scalable and, if necessary, may be deployed globally.
Keywords: IMDSv1, IMDSv2, EC2, Artifactory, Security
Edition: Volume 12 Issue 11, November 2023,
Pages: 2158 - 2163