https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Fri, 12 Jun 2026 00:00:00 GMT https://www.youngju.dev/blog/devops/2026-06-12-siteminder-architecture-legacy-web-sso.en https://www.youngju.dev/blog/devops/2026-06-12-siteminder-architecture-legacy-web-sso.en A deep dive into SiteMinder, the product that dominated enterprise WebSSO for over two decades. We dissect the Policy Server, Web Agent, SMSESSION cookie, the realm/rule/policy object model, and the security implications of header-based identity propagation — because you cannot migrate to modern IAM without understanding the legacy you are leaving. Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) siteminderssoiamsecuritywebssolegacydevops https://www.youngju.dev/blog/devops/2026-06-12-siteminder-architecture-legacy-web-sso.ja https://www.youngju.dev/blog/devops/2026-06-12-siteminder-architecture-legacy-web-sso.ja 20年以上にわたりエンタープライズ WebSSO 市場を支配してきた SiteMinder のアーキテクチャを解剖します。Policy Server、Web Agent、SMSESSION クッキー、realm/rule/policy オブジェクトモデル、ヘッダーベースのユーザー伝搬のセキュリティ含意まで — レガシー IAM を理解してこそモダン IAM への移行が可能になります。 Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) siteminderssoiamsecuritywebssolegacydevops https://www.youngju.dev/blog/devops/2026-06-12-siteminder-architecture-legacy-web-sso https://www.youngju.dev/blog/devops/2026-06-12-siteminder-architecture-legacy-web-sso 20년 넘게 엔터프라이즈 WebSSO 시장을 지배해 온 SiteMinder의 아키텍처를 해부합니다. Policy Server, Web Agent, SMSESSION 쿠키, realm/rule/policy 객체 모델, 헤더 기반 사용자 전달의 보안 함의까지 — 레거시 IAM을 이해해야 모던 IAM으로 갈 수 있습니다. Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) siteminderssoiamsecuritywebssolegacydevops