Nginx global rate limit. For example: Here, global has no semantic meaning.

Nginx global rate limit. Platform engineers work hard to manage traffic and protect applications that are critical to business operations. Use the following configmap to configure the reference implementation 9 Oct 23, 2023 · Learn about API rate limiting with Nginx, a powerful tool for controlling and managing API traffic efficiently. Nginx runs on each end node hosting the service, while HAProxy serves as May 7, 2025 · This article delves into how to implement effective rate limiting solutions using custom NGINX modules designed for observability. We would like to show you a description here but the site won’t allow us. Annotations and ConfigMaps offer flexibility in managing both global and specific Ingress rules, with annotations taking precedence for custom May 29, 2023 · Rate-limiting is a common strategy for safe guarding a server from potential DDoS attacks or sudden peaks in network traffic. Although I'd prefer to just use Apache if there is a straightforward solution that I'm missing. Still, i dont see expected behavior which is rps * default burst rate. Advanced features like rewriting the request URI or inserting additional response headers can be enabled with Annotations. Is it possible to re-a Alternatively, it looks like using Nginx as a reverse proxy (and using the rate limiting built in to that) would be another viable option. May 31, 2020 · Global rate limiting is when all load balancer or proxy nodes, which are performing rate limiting, are in sync about the global state of the rates and consistently apply to limit based on that. NET Core app: Configure rate limiting services. limit_req_zone $binary_remote_a NGINX ingress controller, global rate limit is per client or to all the traffic? I’m trying to understand the difference between the two annotations in NGINX to configure rate limit : Feb 8, 2022 · I'm looking for a way to limit Nginx for location to a number of requests per second independent of the origin IP. The limit_req_zone directive defines the parameters for the rate limiting. A reference implementation of the API, written in Go with a Redis backend, is used below. NGINX’s rate-limiting feature employs the leaky bucket algorithm typically used in packet-switched computer networks and telecommunications. Ingress-nginx docs mention the calculation of the global-rate-limit-memcached-pool-size Jul 8, 2025 · Configure Default rate limits In order to update the abobe configuration to have a global default rate limits, and per-route rate limits, we would have to be update it further to something like this: Sep 8, 2022 · Global rate limiting allows you to rate limit requests across multiple services - or since we're talking about Istio, across the entire mesh. **How I encountered the problem:**Last night, my nginx encountered a 502 error, indicating no healthy upstream and preventing requests from being sent to any backend. The main directives include limit_conn_zone and limit_conn. We’re going to: describe the NGINX directives explain NGINX’s Oct 22, 2025 · NGINX Ingress controller released a feature similar to global rate limit in their 5. Initial setup # Configure service Apr 30, 2019 · Use limit_req in the http context in nginx. In the sample, all clients except for 10. By implementing rate limiting in Nginx, you can control the amount of traffic that reaches your backend services, ensuring fair usage while protecting them from abuse and overload. This guide will walk you through the process of setting up API rate limiting in Nginx step by step. NGINX also supports other variables such as a session cookie and many more. Aug 11, 2021 · I am looking to implement global rate limiting to a production deployment on Azure in order to ensure that my application do not become unstable due to an uncontrollable volume of traffic (I am not talking about DDoS, but a large volume of legitimate traffic). Open the Nginx Configuration File: Edit the Nginx configuration file for your website Mar 18, 2025 · The following steps show how to use the rate limiting middleware in an ASP. May 1, 2025 · How we built a sophisticated NGINX rate limiting system that protected our APIs during a targeted attack while maintaining 99. If you have a static key, then all the lookups will match the same, and the limit for that zone will be effectively global. However, the documentation can be quite dense for beginners. In this guide, we covered: The key NGINX rate limiting directives: limit_req_zone and limit_req Aug 18, 2021 · 2 I am trying to implement rate limiting feature to my AKS using nginx ingress rate limiting. See full list on nginxtutorials. For the Discord HTTP API those rate limits come in three different forms: Per-Route We have similar rate-limiting set for nginx2 cluster. 0 release. When these applications receive too much traffic, they can slow down or crash completely, causing poor user experience and service outages. We will explore the functionality of NGINX, the rationale for implementing rate limiting, and approaches for creating custom modules to enhance monitoring and analytics. Optimize API Calls Batch Requests: Instead of making multiple API calls for individual operations, group them into a single request if the API supports it. ngx_http_limit_req_module to the Aug 8, 2023 · In today’s interconnected world, web servers face constant threats from malicious actors and high-volume traffic. In this comprehensive guide, we’ll cover everything you need to know to apply effective rate-limiting with NGINX, including: Nov 26, 2016 · That field in limit_req_zone is just a key, and it's used as a lookup in the specified zone. You configure NGINX Ingress Controller to implement a rate‑limiting policy, which prevents the app and API from getting overwhelmed by too many requests. 17. Feb 8, 2024 · Nginx Ingress rate limiting Securing our services against internet vulnerabilities has been a significant concern in the IT industry. conf for both host and IP. cluster. So I sometimes run into the rate-limit if I have to do some admin tasks. 1+. So im pretty sure this is a nginx rate issue limit. Aug 1, 2024 · Key Takeaway NGINX Ingress Controller manages routing rules in Kubernetes, handling traffic redirection and SSL configurations to improve app performance. Oct 13, 2017 · Read on to learn how to use NGINX to perform various rate limiting operations, including setting up request rates for different locations on HTTP requests. Parameter value can contain variables (1. Outside of advanced features, Annotations are necessary for 4 days ago · Please use this template for troubleshooting questions. Aug 28, 2024 · We use the global-rate-limit feature intensively For example, on platforms not supporting native load balancing we use it for rate limiting reverse proxy using multiple pods. You can use several configurations in your Kubernetes Ingress to make your app more dynamic. Could somebody help on how rate limiting works in nginx and how to set the configuration in nginx resource? API rate limiting is a critical component of designing secure and robust web services. As one of the most widely-used web servers, NGINX offers mature rate-limiting capabilities out of the box. Jan 11, 2025 · Nginx rate limiting is a powerful feature that allows you to control the amount of traffic your server handles from a single client or IP address. It can control traffic using the limit_req_zone and limit_req directives. Nginx Rate Limit is a powerful tool that allows you to control the number of requests your server processes within a given time frame. A new option for the NGINX rate limit feature, called as custom throttle group, prioritizes clients and applications based on the assigned throttle rate. Nov 24, 2023 · Global Rate Limit To use global rate limiting you need an external rate limiter service that keeps track of the domains that have to be rate limited. The above NGINX traffic management approaches, depending on the use case can be configured to limit based on a defined key, the most common being a client’s IP address. Rate limiting is especially useful for: Preventing Apr 22, 2024 · In Conclusion NGINX is a powerful tool for implementing rate limiting and protecting your web applications and APIs. Using Istio service mesh would have been a overkill. In this comprehensive guide, we’ll cover everything you need to know to apply effective rate-limiting with NGINX Sep 18, 2020 · Rate limiting controls how many requests users can make to your site. For more details, see the next section, Custom throttle group, on page 2. In the most common setup, both NGINX and HAProxy keep internal statistics and metrics used by rate-limiting algorithms in a process’ memory. Jan 8, 2023 · Practical guide to implementing rate-limiting on APIs deployed on Minikube server Feb 11, 2020 · Some findings after playing around with the rate-limit configuration provided by the NGINX ingress controller. However, there is one specific location where I want to ignore those limits, something like this. NGINX ingress controller, global rate limit is per client or to all the traffic? I’m trying to understand the difference between the two annotations in NGINX to configure rate limit : The traffic‑control technique called rate limiting is an API gateway use case that limits the incoming request rate to a value typical for real users. This tutorial will explore configuring Nginx Rate Limit to enhance your server’s security and performance. This utilises NGINX Plus zone sync along with our rate limiting functionality to achieve the same results without the requirement to run memcached in cluster. Its rich set of rate limiting directives give you fine-grained control over how and where you enforce rate limits. Example Scenario: Implementing Rate Limiting in NGINX We have a web application, that we build at this post, with an API endpoint /hello-world that needs protection. By setting limits on the number of requests a client can make within a specific time frame, you can prevent abuse, protect against DDoS attacks, and ensure fair resource allocation for all users. Nov 13, 2023 · Learn what Istio global rate limiting is and how to configure it. I have just provided limit-rps:10 in nginx ingress resource. For example, half-request per second is 30r/m. By mastering these techniques, you’ll be well on your way to optimizing your NGINX server for improved performance, security, and user experience. Jul 17, 2017 · This answer is perfect dealing with bypassing rate limiting with IP addresses. I'm not sure where should i add that filter nginx. Feb 2, 2016 · According to the documentation you can specify in requests per second or requests per minute, not requests per hour, so no it's not possible. Jan 19, 2025 · Best Practices to Prevent Rate Limit Exceeded Errors 1. Aug 8, 2023 · In today’s interconnected world, web servers face constant threats from malicious actors and high-volume traffic. The zero value disables rate limiting. In the Program. local global-rate-limit-memcached-port: "11211" metrics: enabled: true serviceMonitor: enabled: true namespace: default scrapeInterval: 15s replicaCount: 2 service: enableHttps: false type: NodePort tcp: {} Oct 27, 2021 · Your nginx-configuration snippet that you give will make a rate-limit of 1 request per second (rate=1r/s) With the burst=5 -setting you will also open a "queue" with 5 entries. resty. The rate limit policy configures NGINX to limit the processing rate of requests. Policies can either be defined as global or named polices. Jan 23, 2024 · Nginx has a built-in module limit_req for rate-limiting requests, which does a decent job, except its documentation is not known for its conciseness, plus a few questionable design choices. The rate is specified in bytes per second. I want the zone to apply on ALL files on the web server. Configuring the request limiting The ngx_http_limit_req_module module limits the request processing rate per a defined key. Apr 10, 2021 · Rate Limits on NGINX Ingress Controller for Kubernetes (OKD Cluster) Do you know what rate limit is? and how is this important when you running web application or any backend server? I’m gonna tell … So im pretty sure this is a nginx rate issue limit. conn provides request concurrency level limiting and adjustment based on extra delays. What I’m trying to do: Understanding ngx module limit_req exact behavior, to be able to use it. The limit is set per a request, and so if a client simultaneously opens two connections, the overall rate will be twice as much as the specified limit. We want to: Allow 5 request per second Oct 27, 2021 · 1 I successfully implemented rate limiting in the nginx-configuration with limit_req_zone and limit_req as documented on the nginx blog The rate limiting settings is configured pretty strict. This topic explains how to enable advanced features in F5 NGINX Ingress Controller with Annotations. If a rate of less than one request per second is desired, it is specified in request per minute (r/m). By implementing rate limiting on Nginx, you can protect your server from abuse, prevent denial-of-service attacks, and optimize resource allocation. It looks easier to implement than what I've found so far for Apache as well. com Jan 19, 2024 · The limit_rate directive is at the core of this functionality. It could be anything or something or nothing. I have the nginx configuration to rate limit a specific API /testAPI - each client not to exceed more than 10r/m # these con Sep 22, 2025 · The following sections cover typical rate limiting configurations for common use cases. From my understanding the rate limiting feature is IP sensitive which cannot be tu Sep 20, 2024 · Implementing rate limiting and bandwidth throttling in NGINX involves using the limit_req and limit_rate modules, respectively. The module directives include the mandatory limit_req_zone and limit_req directives and an optional limit_req_status directive. Rate-limiting instructs the server to block requests from certain IP addresses that are sending an unusual number of requests to the system. Upon talking with the Kubernetes Slack community, I found out that any means of global rate limiting creates serious bottlenecks in performance which ruled out this way as an option for doing global rate limiting. Nginx Plus and Kong certainly have rate-limiting features but are not OSS; while I am a bigger fan of OSS. We can apply rate-limiting to both Nginx and HAProxy. Set up, test, and secure web apps using NGINX and Locust for peak performance. For example, when fetching user data, request multiple user details in one API call instead of separate calls for each user. 1 are limited to 1 request per second. Apr 27, 2022 · Limiting the number of connections (requests). Limiting bandwidth. Leveraging NGINX ingress layers for rate-limiting APIs provides granular control, flexibility, and robustness, essential attributes for edge compute infrastructures. Ah! Sep 2, 2024 · Rate-limiting is an essential technique for managing traffic, preventing abuse, and protecting backend infrastructure. The Ingress resource can use basic NGINX features such as host or path-based routing and TLS termination. svc. Nice work! Lab and Tutorial Overview Apr 19, 2024 · Understanding NGINX Rate Limiting: NGINX implements rate limiting using the leaky bucket algorithm. In this article, we will explore how to use rate limiting on Nginx to improve the performance and security of your web server. limit. For example, the following policy will limit all subsequent requests coming from a single IP address once a rate of 10 requests per second is exceeded: Jan 9, 2025 · Several options are possible: Global rate limit Global rate limit per custom header Service level rate limit Customize request limit HTTP status code Limit connection number Understand NGINX rate limiting configuration More information about how rate limit works on NGINX can be found on their blog in this post. Usually you would define a location and define the rate limit zone. Therefore I have no concerns with the technical working of the module. The rate-limiting service requires an external component, typically a Redis database. These 2 nginx clusters defined here actually refer to 2 different nginx containers running as part of docker-compose stack. Learn how to implement rate-limiting using the NGINX Ingress controller in a Kubernetes environment. To solve this, these platform engineers can leverage Kratix, an open-source framework for building internal developer platforms, to automate Oct 5, 2017 · Nginx allows to limit requests and shape the traffic at various levels like — server level rate limits, location wise rate limits and global rate limits, applying rate limits based on request A new option for the NGINX rate limit feature, called as custom throttle group, prioritizes clients and applications based on the assigned throttle rate. It's just a random bit of text. A state is the current number of connections. The key value can contain text, variables, and their Nov 16, 2016 · is it possible to use dynamic connection limits in nginx? lets say i have the following routes: /route/1 /route/2 /route/* I do not want to have a global rate limit for /route/* but a specifi Implementing Global Rate Limits on Kubernetes using Pulumi and NGINX in TypeScript guides the user on globally rate limiting ingress traffic with Kubernetes, NGINX, and Pulumi. default. 13. The global rate limiting is implemented using a central rate limiting service that's shared by all the services in the cluster. However, not all requests are equal, and excessive traffic can put a strain on resources, leading to service Sep 11, 2023 · Implementing rate limiting in Nginx can help protect your web server and applications from abuse, such as DDoS attacks or excessive API requests. Therefore I decided Jan 10, 2025 · Configuring the connection limiting The ngx_http_limit_conn_module module limits the number of connections per defined key. Jul 8, 2022 · I set up a ratelimit in my nginx config. conf or default. The rate is specified in requests per second (r/s). This method is particularly effective for managing uneven traffic and smoothing out bursts of incoming requests. Dec 29, 2022 · What happened: There seems to be differences on how the memcached-pool-size be calculated in the docs of ingress-nginx and lua-resty-global-throttle. Dec 21, 2024 · Rate limiting is a critical feature for ensuring the stability and security of web servers. 0. Jan 3, 2012 · Limits the rate of response transmission to a client. Hello, We are trying to implement some rate-limiter in Cloudflare for some api urls that go through CF already. The ngx_http_limit_conn_module module is used to limit the number of connections per the defined key, in particular, the number of connections from a single IP address. Aug 15, 2021 · However, implementing global rate limiting with NGINX ingress controller needs an additional memcached pod to sync counters between the NGINX pods. The limit_conn_zone directive sets parameters for a shared memory zone that keeps states for various keys. Protecting Your NGINX Server from Abuse In this article, we will delve into the world of NGINX security and explore the concepts of rate limiting and denial of service (DoS) protection. Note This procedure describes how to configure the NGINX rate limit (global throttling). For example: Here, global has no semantic meaning. Rate limiting controls the number of requests allowed from a specific IP address within a defined time window. You’ll learn how to configure your NGINX server to pre … May 8, 2025 · The limit_req module seems like a great piece of work, especially in a ‘Two-Stage’ setup, this gives amazing capabilities and flexibility to rate limit requests. cs file, configure the rate limiting services by adding the appropriate rate limiting policies. The challenge is to be able to come up with the parameter resty. kubernetes / ingress-nginx Public Notifications You must be signed in to change notification settings Fork 8. Here’s how to implement rate limiting in Nginx: 1. We want to implement it in a global… Dec 2, 2024 · Rate Limiting in NGINX NGINX is a popular web server and reverse proxy that provides robust rate-limiting features. I dont need any rate limiting, i will do that on nodejs, so how can i disable that or remove any limits from this config? Mar 12, 2025 · Nginx can be configured to rate limit HTTP requests based on the IP address of the client. Access can be limited by IP address, the number of simultaneous connections, or bandwidth. The following example permits 10 requests per minute by user (identity) or globally: I have a server in nginx configured and have the following code to create my rate limit zone: limit_req_zone $key zone=six_zone:10m rate=60r/m; In my location, I use NGINX provides powerful rate-limiting tools for traffic control via modules like ngx_http_limit_req_module. Dec 5, 2024 · This solution, known as global throttling is applicable across all applications and processes. I happen to have a specific need for this feature so I examined it a bit. In this tutorial, we delve into the limit_rate directive, providing practical code examples and explaining how it works in different scenarios. Learn how to set it up and tune it to your needs. In this post, we’ll explore what rate limiting is, why it matters, how to configure it in Nginx, and how to test that it works. This chapter provides scenarios for restricting access to a database or media server that communicates over TCP. 100. Limiting the rate of requests. So I’ve written this guide to rate-liming and traffic shaping with NGINX. For more details, see the next section, Custom throttle group. Aug 19, 2025 · If you had configured rate limits in Nginx, that extra traffic could have been rejected, and your site would still be online. count provides rate limiting based on a "fixed window" implementation since OpenResty 1. In this 2800+ word guide, we‘ll cover: Key NGINX directives for implementing rate-limits How NGINX evaluates requests against thresholds Burst and delay behaviors for shaping traffic Visualizations for understanding edge Among the various technologies available, NGINX — renowned for its high performance, versatility, and extensive feature set — has become the preferred choice for managing ingress and traffic control in edge environments. If I need to bypass rate limiting with a secret header, how do I achieve this? Ref Mar 30, 2023 · Sometime ago for a project of mine I was looking for a good rate-limiting service. See how to set up Istio rate limiting per IP or client remote address. You can combine the provided example rules and adjust them to your own scenario. Feb 22, 2018 · I have a global rate limiting in my nginx. I suggest you round up or round down, according to Oct 3, 2021 · Handling Discord Rate Limits at Scale How Xenon handles Discord rate limits at scale and how we are avoiding to get banned by Cloudflare October 3, 2021 Cloudflare rate limited response page Rate Limits? As you might know the Discords API, like many other APIs, has rate limits to protect it from abuse and spam. conf to affect all traffic going through your Nginx server. Mar 24, 2017 · By Sébastien Portebois NGINX is awesome… but I found its documentation on rate limiting to be somewhat… limited. This issue only lasted about 7 seconds. More specifically, the sample illustrates how to: Create a geo instance that will match the . Jun 9, 2022 · $ helm get values ingress-nginx USER-SUPPLIED VALUES: controller: config: global-rate-limit-memcached-host: memcached. For the scope of that project, the service would run along a front proxy and would rate-limit requests to third party applications. Sep 2, 2024 · As one of the most widely-used web servers, NGINX offers mature rate-limiting capabilities out of the box. This tutorial covers the benefits of rate-limiting and a step-by-step guide on setting up rate-limiting. Use limit_req in the server context to limit the effect to a server block (aka "virtual host" from the Apache world). Global rate limiting in Envoy uses a gRPC API for requesting quota from a rate limiting service. 12. May 2, 2019 · Is it possible to rate limit requests based on HTTP header value on nginx-ingress? Jan 19, 2025 · Best Practices to Prevent Rate Limit Exceeded Errors 1. 4k Star 18. NGINX rate limiting configuration sample This section includes the configuration sample of NGINX rate limiting feature that enables you to limit the number of HTTP requests a user can make in a given period of time. In today s highly interconnected digital landscape, web applications face the constant challenge of handling a high volume of incoming requests. 0). May 13, 2018 · After hard google search i couldn't find good information how to limit rate with nginx and debian. **My issue:**Has anyone encountered this problem? I’m experiencing a brief nginx 502 error, but my backend is working fine. 6k Aug 19, 2025 · By Sam Smith in DevOps — 19 Aug 2025 Nginx Rate Limiting: How it works, how to configure it and how to test it Rate limits helps keep your service online and stable for all, without them your server will get overloaded, but setting the right limits is an art and you need to get it right. Clearly defined rate limits can safeguard our web service from … Sep 7, 2023 · Master request rate limits in Kubernetes with NGINX Ingress. Nice work! Lab and Tutorial Overview The traffic‑control technique called rate limiting is an API gateway use case that limits the incoming request rate to a value typical for real users. Master request rate limits in Kubernetes with NGINX Ingress. 6. My Nov 30, 2022 · I want to set rate limit for a specific API request per client IP basis. Jun 12, 2017 · We have covered many features of rate limiting that NGINX offers, including setting up request rates for different locations on HTTP requests, and configuring additional features to rate limiting such as the burst and nodelay parameters. 9% availability for legitimate users: Our NGINX Rate Limiting Strategy That Defeated a Major D… Global rate limit Envoy can be used to set up global rate limits for your mesh. wxm wy5pag t9p gy i4q8 zn s2n mmpb l2ma sqiniu