Why is IP-based limiting alone unreliable on the public internet?

Problem Statement

Explanation

Multiple users can appear as one IP, punishing good traffic. Mobile networks also change IPs often, breaking fairness. Prefer API keys or authenticated identities and use IP as a secondary signal.

Code Solution

SolutionRead Only

key = userId || apiKey || ipFallback

Practice Sets

This question appears in the following practice sets:

Rate Limiting & Traffic Shaping

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Why is IP-based limiting alone unreliable on the public internet?

Problem Statement

Explanation

Code Solution

Practice Sets

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Master Interviews Anywhere, Anytime

Why is IP-based limiting alone unreliable on the public internet?

Problem Statement

Explanation

Code Solution

Practice Sets

Related Questions

Which statement best describes the Single Responsibility Principle?

Open–Closed Principle encourages what practice when adding features?

High-Level Design (HLD) typically focuses on which artifacts?

Which UML diagram best captures interactions over time between components?

Which pairing describes a healthy design goal?

More from System Design

Master Interviews
Anywhere, Anytime