# Fixed window, sliding window, or token bucket? Choosing a rate limit strategy in Appwrite Firewall

DevFeed: [Fixed window, sliding window, or token bucket? Choosing a rate limit strategy in Appwrite Firewall](<https://devfeed.tech/articles/fixed-window-sliding-window-or-token-bucket-choosing-a-rate-limit-strategy-in-appwrite-firewall-16479.md>)

Original publisher: [Read original article](<https://appwrite.io/blog/post/firewall-rate-limit-strategies>)

Author: Atharva Deosthale

Published: 2026-09-04T00:00:00Z

Content type: tutorial

Language: en

Sources: [Appwrite Blog](<https://devfeed.tech/sources/appwrite-blog.md>)

Topics: [Appwrite](<https://devfeed.tech/topics/appwrite.md>), [Firewall](<https://devfeed.tech/topics/firewall.md>), [Algorithms](<https://devfeed.tech/topics/algorithms.md>), [HTTP](<https://devfeed.tech/topics/http.md>), [client](<https://devfeed.tech/topics/client.md>)

Tags: [firewall](<https://devfeed.tech/tags/firewall.md>), [http](<https://devfeed.tech/tags/http.md>), [rate-limiting](<https://devfeed.tech/tags/rate-limiting.md>), [security](<https://devfeed.tech/tags/security.md>), [strategy](<https://devfeed.tech/tags/strategy.md>)

## AI overview

This article explains the fixed window, sliding window, and token bucket rate-limiting strategies supported by Appwrite Firewall. It compares how they handle bursts and time-window boundaries, describes IP- and User ID-based limits, and explains how to choose a strategy.

## Source excerpt

Appwrite Firewall rate limit rules support three strategies. Learn how fixed window, sliding window, and token bucket work, where each one breaks down, and how to pick the right one for your traffic.