HTTP Smuggling: A Trust Crisis Triggered by ‘Parsing Differences’
Introduction: The Invisible “Layer” In modern web architecture, an HTTP request from a user often passes through multiple checkpoints before reaching the actual business logic (backend server): CDN, load balancer, WAF, reverse proxy… We can imagine this model as a tightly secured building: Frontend Proxy (e.g., Nginx, CDN): This is your building’s “security guard”. He … Read more