444 Status Code Causes and How To Fix it

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A smooth user experience is essential for a website's success in the digital world. One of the many factors that can disrupt this experience is encountering the mysterious 444 status code.

This article sheds light on the causes behind this status code and provides practical solutions to resolve it. As you navigate the world of HTTP status codes, you'll discover the significance of understanding and addressing such issues.

By the end of this article, you'll be equipped with the necessary knowledge to tackle the 444 status code head-on, ensuring that your website remains accessible and user-friendly for all visitors. Let's dive in and unravel the mystery of the 444 status code.

What are Status Codes?

Status codes, or HTTP status codes, are three-digit numerical codes sent by a web server in response to a client's (such as a browser) request for a specific resource, like a webpage or a file. These codes are an integral part of the Hypertext Transfer Protocol (HTTP) and serve as a standardized method for servers to communicate the outcome of a request to clients, helping them understand whether their request was successful or if an issue occurred.

Using the first digit of the status code, there are five classes of HTTPS Status Codes:

1xx (Informational): The server has received the request and is continuing to process it.

2xx(Successful): Request has been received, understood, and accepted.

3xx (Redirection): The request requires further action from the client, often involving following a link to a new URL.

4xx (Client Error): The request contains bad syntax or cannot be fulfilled by the server due to an issue from the client.

5xx (Server Error): The server failed to fulfill a valid request from the client.

Some common status codes include 200 (OK), which indicates a successful request, 404 (Not Found), signifying that the requested resource is unavailable; and 500 (Internal Server Error), representing a general server-side error. Understanding these status codes is crucial for developers, website administrators, and even users, as they provide insight into the performance and reliability of a website or web application. Identifying and addressing issues associated with status codes can ensure a smoother and more efficient web experience.

What is 401 Status Code?

The 401 status code is an HTTP response status code that indicates that the client request has not been completed because it lacks valid authentication credentials for the requested resource. This status code is typically sent with an HTTP WWW-Authenticate response header that contains information on how the client can request the resource again after prompting the user for valid credentials.

In practical terms, a 401 error is often encountered when accessing a webpage or other online resource that requires authentication or login information. A 401 error indicates that the user's login credentials were not recognized or are insufficient for the requested resource and that the user must provide valid login credentials to access the resource.

Notably, a 401 error differs from a 403 error, indicating that the server understood the request but refused to fulfill it, typically due to a lack of permission.

What is the 444 Status code?

The 444 HTTP status code is a non-standard response code used exclusively by theNginxweb server. It is typically deployed to signify that the server has terminated a client's connection without sending any response. The 444 status code is often used as a security measure to mitigate DDoS attacks by closing connections initiated by malicious clients. This status code is not officially recognized by HTTP 1.1 or HTTP 2 protocol specifications and is only used by Nginx.

In addition, it is crucial to note that 444 status codes are not a substitute for appropriate security measures. While it can help reduce the impact of DDoS attacks, additional security measures such as firewalls and intrusion detection systems are necessary to protect web servers.

How to Fix 444 Status Code Issues

Addressing 444 status code issues involves taking several measures to ensure the smooth functioning of your Nginx web server. Here are a few strategies to tackle this non-standard HTTP status code problem:

Examine Server Logs

Begin by inspecting server logs to pinpoint the cause of the 444 error. Logs can reveal insight into the traffic that triggers the error, enabling you to implement preventive measures.

Modify Nginx Configuration

If an error in the Nginx configuration is causing the issue, you should revise the configuration file. Carefully review it to confirm that all settings are accurate and do not obstruct the server's ability to process requests.

Set Up a Firewall

Introducing a firewall can block malicious traffic from accessing the server and limit server access to only authorized users.

Enforce Rate Limiting

By imposing rate limiting, you can shield your server from being inundated by a flood of requests, ensuring it remains responsive.

Employ a Content Delivery Network (CDN)

Utilizing a CDN can thwart DDoS attacks by distributing incoming traffic across multiple servers, thereby minimizing the burden on individual servers.
By adopting some or all of these tactics, you can effectively resolve 444 status code issues and bolster the security and resilience of your Nginx web server.


The 444 status code is a common one that can be frustrating. However, if you understand the causes of this error and how to fix it, you can get back on track in no time!

There are two main reasons why your website might be getting this error: an issue with your server or something wrong with your code. If the problem lies within your server configuration (or another part of the site), then there isn't much that can be done except contact whoever manages it so they can fix it for you. However, if it's due to some incorrect coding on your part, then this guide should help figure out what needs changing so everything runs smoothly again!

Frequently Asked Questions

What are the primary causes of a 444 status code?

The 444 status code often occurs due to a security measure implemented by the Nginx server to close connections from malicious clients or an incorrect Nginx configuration.

How can I resolve a 444 status code issue?

To fix a 444 status code issue, examine server logs, modify Nginx configuration, set up a firewall, enforce rate limiting, and employ a Content Delivery Network (CDN).

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