Feb 18, 2021 · Information Security

Uncovering HTTP Request Smuggling: Techniques, Exploits, and Defenses

This article explores HTTP request smuggling—its origins, how inconsistencies in proxy and server implementations enable the attack, detailed packet constructions using Content‑Length and chunked encoding, practical PortSwigger lab demonstrations, and effective mitigation strategies such as disabling TCP reuse and adopting cloud‑based security services.

HTTP request smugglingWeb Securitychunked encoding

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Uncovering HTTP Request Smuggling: Techniques, Exploits, and Defenses