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With Elementor, we can replace the block editor with a more intuitive page builder. If you are an Elementor user, you need to load the editor every time you want to create or edit a page. However, sometimes errors can prevent Elementor from loading....

I recently discovered that error responses from a Node JS microservice were coming with the HTTP error "431 Request Header Fields Too Large", but at first it seemed to be intermittent, depending on the test environment used. Further investigation reve...

We recently installed nginx version 1.17 on a new machine. The configuration created in sites-available` was symlinked to `sites-enabled`, but nginx is not serving any domains....

When using Websockets or configuring a server with nginx, we may encounter the `$connection_upgrade` variable in the nginx configuration. The $connection_upgrade variable is not available by default. However, it is recommended to define and use it in ...

When we use a backend server for our Angular application during development, when trying to request resources from the API, we may encounter some cross-origin (CORS) restrictions that prevent us from accessing data from the API....

When updating nginx to a newer version, we may encounter deprecated configurations. Nginx uses a YAML-like definition format to create configurations. This format has evolved over time by adding, removing, or changing keywords. This article...

If your website won’t load over a secure connection due to an error like ERR_SSL_PROTOCOL_ERROR, then this is the right place to start. In this article, we’ll explain what this type of error means and walk you through how to fix it so y...

In the article "How to use SFTP to interact with a remote server" , we introduced how to connect and interact with a server using SFTP. Now let's take a look at how to perform the main operation - file transfer - after the connection is est...

FTP , or File Transfer Protocol, is a popular, unencrypted method of transferring files between two remote systems. As of 2022, it has been deprecated by most modern software due to its lack of security, and is mostly only used for legacy a...

Similar to the process that Nginx uses to select the Server block that will handle a request  , Nginx also has an established algorithm to decide which Location block within a Server block to use to handle a request. location block syntax...

Nginx is one of the most popular web servers in the world. It can successfully handle high loads with many concurrent client connections and can be used as a web server, mail server, or reverse proxy server. In this article, we will discuss...

Loading websites over the Secure Hypertext Transfer Protocol (HTTPS) is critical to network security. However, if we do not install the Secure Sockets Layer (SSL) certificate correctly, we may encounter many errors such as NET::ERR_CERT_COM...

When browsing the web, the last thing we want to see is an error message. For macOS users, one of the problems you may encounter is the “Safari Can’t Establish a Secure Connection to the Server” error. While this error can seem daunti...

This article shares an SEO problem, soft 404. A status code we often see on websites is 404. Whether we develop a website or not, this is a problem we have to face. What is a soft 404? Before talking about soft 404, we must first understand...

HTTPS is used to build ultra-secure networks connecting computers, machines, and servers to handle sensitive business and consumer information. HTTP/2 browser support includes HTTPS encryption, which actually complements the overall securit...