Origin server (first mile)

The source where the website content or web app data is stored.

What are HTTP headers?

HTTP headers are something that we think we know, but it is something that we don’t really spend much time trying to learn. They are really important tools if you really want to reach the full potential of our web apps or web security that you are developing. With that, let’s start by answering the …

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What is SNI?

Server Name Indication (SNI) is an extension to the Transport Layer Security (TLS) protocol by which a client specifies which hostname (or domain name) it is attempting to connect to at the start of the TLS/SSL handshaking process.  To understand what this definition actually means and how it works, let’s break it down into 3 …

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What is an API?

The world has been more connected than ever before. Now, anyone can purchase airline tickets, book restaurant reservations, look for freelancer, and buy food online. But how can we make all of this possible? Perhaps, when you ask programmers or developers, you might hear them answer, all those services are made possible because of this …

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HTTP response status codes

HTTP response status codes (or simply status codes) are three-digit codes issued by a server in response to a browser-side request from a client. These status codes serve as a means of quick and concise communication on how the server worked on and responded to the client’s request. These codes also include codes from IETF …

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Types of websites and web contents

There are two fundamental types of websites: static websites and dynamic websites. The core difference between the two lies in the notion of whether the webpages are pre-rendered and hosted on the server, or whether the webpages are generated on the server in real-time upon user’s request. The former is considered as a static website, …

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From IP address to Domain name

The internet is like a vast map of interconnected computers and devices, full of avenues and streets, wherein each computer can be located using an address within the network. Just like real houses not having the same street addresses, you won’t find two computers connected to the internet that have the same address. Though, unlike …

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What is downtime (cloud service)?

Downtime is a period of time in which the service is unavailable or not working due to unexpected circumstances such as outages, maintenance activities or updating periods. With the advent of virtualization and cloud computing services, a consistent and all-round service is a necessity. Customers who are looking for cloud services would only be convinced …

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What is an origin server?

An origin server processes and response to incoming internet requests from internet users. It is typically used in conjunction with the caching or an edge server. It is responsible for serving the content of an internet entity such as a website, or web app as long as the user traffic or a number of client …

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