intermediate~2h
Session Management: Timeout, Concurrency & Fixation
Session-based auth has its own failure modes that token-based auth simply doesn't share. This chapter is timeout, concurrent-session limits, and fixation attacks — and why REST APIs usually skip sessions entirely.
Learning objectives
- Beginner: Explain what a session fixation attack is and why it matters.
- Intermediate: Configure session timeout and concurrent-session limits for a traditional web application.
- Advanced: Justify why a stateless REST API disables sessions entirely rather than tuning session settings.
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Session Management: Timeout, Concurrency & Fixation