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-single-logout-session-termination-design.en https://www.youngju.dev/blog/devops/2026-06-12-single-logout-session-termination-design.en In SSO, logout is harder than login. This post covers the three-layer session model, how OIDC RP-Initiated/Front-Channel/Back-Channel Logout work and where they fail, the logout token JWT structure, the realistic failure rates of SAML SLO, Keycloak configuration, and how 2026 browser third-party cookie blocking reshapes logout design. Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) ssooidcsamlkeycloaklogoutsecuritysession https://www.youngju.dev/blog/devops/2026-06-12-single-logout-session-termination-design.ja https://www.youngju.dev/blog/devops/2026-06-12-single-logout-session-termination-design.ja SSOにおいてログアウトはログインより難しい問題です。セッション3層モデル、OIDC RP-Initiated/Front-Channel/Back-Channel Logoutの動作と限界、logout token JWTの構造、SAML SLOの現実的な失敗率、Keycloakの設定、そして2026年のブラウザのサードパーティCookieブロックがログアウト設計に与える影響まで整理します。 Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) ssooidcsamlkeycloaklogoutsecuritysession https://www.youngju.dev/blog/devops/2026-06-12-single-logout-session-termination-design https://www.youngju.dev/blog/devops/2026-06-12-single-logout-session-termination-design SSO에서 로그아웃은 로그인보다 어렵습니다. 세션 3계층 모델, OIDC RP-Initiated/Front-Channel/Back-Channel Logout의 동작과 한계, logout token JWT 구조, SAML SLO의 현실적 실패율, Keycloak 설정, 그리고 2026년 브라우저 서드파티 쿠키 차단이 로그아웃 설계에 미치는 영향까지 정리합니다. Fri, 12 Jun 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) ssooidcsamlkeycloaklogoutsecuritysession