Your Logout Button Is Lying: ASP.NET Session Security Done Right — Daily DevOps & .NET
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Common ASP.NET Core session management misconfigurations—like sessions that never expire, insecure cookie flags, and logout buttons that don't actually sign users out—are contrasted with production-ready, audit-passing implementations. The post covers secure cookie authentication with sliding and absolute timeouts, JWT refresh token rotation, concurrent session limits using Redis, and the specific cookie flags (HttpOnly, Secure, SameSite=Strict) required to pass ISO 27001 and SOC 2 audits. Code examples show both the fatal patterns and their compliant replacements.
Table of contents
What Auditors Actually TestFatal Example: Session ChaosSecure Cookie AuthenticationJWT Tokens: Refresh RotationConcurrent Session LimitsPractical TakeawaysSort: