Web Cache Poisoning and HTTP Request Smuggling: Principles, Attack Scenarios, and Defenses

The article explains how misconfigured caches and inconsistent front‑end/back‑end parsing enable web cache poisoning and HTTP request smuggling attacks, illustrates practical exploitation scenarios, and recommends disabling caching, unifying request‑boundary logic, and adopting HTTP/2 or strict configurations to defend against these high‑impact threats.

Defense StrategiesHTTP request smugglingRequest Smuggling

0 likes · 16 min read

Web Cache Poisoning and HTTP Request Smuggling: Principles, Attack Scenarios, and Defenses

Efficient Ops

Jul 5, 2016 · Operations

Mastering Web Cache: A Complete Layered Knowledge System

This article presents a systematic overview of web caching, detailing a seven‑layer cache hierarchy, clarifying the differences between buffer and cache, and explaining key cache metrics and design considerations for modern web architectures.

Cachebufferweb cache

0 likes · 11 min read

Mastering Web Cache: A Complete Layered Knowledge System

MaGe Linux Operations

Jul 5, 2016 · Fundamentals

How Web Caches Work: From Hits to Expiration Explained

This article explains the fundamentals of web caching, covering cache concepts, hit and miss workflows, expiration handling, conditional validation methods, and multi‑level cache strategies used in HTTP to improve performance and ensure data freshness.

Cache-ControlConditional RequestsHTTP Caching

0 likes · 15 min read

How Web Caches Work: From Hits to Expiration Explained

MaGe Linux Operations

Jul 16, 2015 · Operations

Mastering Web Caching with Varnish: From Basics to Advanced Configuration

This article explains what web caching is, how cache hit rates are measured, the request‑processing flow, freshness‑checking methods and cache‑control directives, then introduces Varnish as a high‑performance HTTP reverse‑proxy, detailing its threads, state machines, VCL syntax, installation, configuration examples and cache‑purge techniques.

Cache-ControlHTTP CachingVarnish

0 likes · 16 min read

Mastering Web Caching with Varnish: From Basics to Advanced Configuration