It is an proxy which is also known as a proxy server. It’s a software that serves to act as mediator between client and server over the internet. Without a proxy, a client would be able to make a request for every resource straight to the server and the server will deliver the resource directly to the user. Although this method is simple to grasp and implement, the addition of proxy servers can offer advantages in terms of improved performance, privacy, security, and many more. As a pass-through layer a proxy serves as an additional security layer on the internet between servers and clients.

The general consensus is that the mix of hardware for servers and software used to set up proxy installations is usually referred to as proxy servers. However, this article will be focusing on proxy servers that are usually classified as software, and also within the context of web servers. We will discuss of the two principal kinds, namely which are a forward proxy and reverse proxy. reverse proxy. Each has its own usage situation, and is often misunderstood because of the similar terminology.

This article will provide you with some understanding about what proxies are and what subtypes they are and how they function in the common configurations. After having read this article, you’ll be able determine the situations that you can gain from a proxy. You’ll then choose the best option between forward and reverse proxy for every situation.

Understanding Forward Proxies

The forward proxy, also referred to in the form of open proxy. open proxy acts as the representative of a client who wishes to forward a request over the internet to a source server. In this instance, the whole attempt to send requests made by the user will instead be sent to the forward-proxy. This forward proxy acting as a substitute for the client will examine the request. The first step is to determine if the client is able to accept requests through this particular forward proxy. Then, it decides to decline a request and forward it to its original server. The client is not capable of having directly access to internet. It has access to only what forward proxy permits the client to access.

A common use of forward proxies is to gain more privacy or protection when surfing the web. A forward proxy is able to connect to the internet place of a client and, in this way, it may use an alternative IP address to the initial IP address.

Depending on how it has been configured, the forward proxy will offer a variety of functions depending on how it is configured, which allows you to:

Forward proxies can also be used for security systems which are centralised and have permission-based access like in a workplace. All internet traffic can pass by the open forward proxy. an administrator could permit only a few clients access to the internet using an common firewall. Instead of setting up firewalls for the client layer which may comprise a variety of devices with various settings and users. A firewall can be installed in the forward proxy layer.

It is crucial to keep in mind that forward proxies need to be set up manually to use, however reverse proxy servers will remain unnoticed by the clients. Based on the fact that the IP address of the user is transmitted to the server that originated it from the forward proxy privacy and anonymity could be granted or unnoticed.

There are numerous possibilities to look into forward proxy options

Understanding Reverse Proxies

Reverse proxy is the web server, which handles requests from clients instead. Web servers can function as a one server or a number of servers. Additionally, it can be used in the role of an application server, such as Gunicorn. In either of these scenarios the request is made by a customer via the internet. The request is typically directed directly to the web server, which contains the resources the user wants. A reverse proxy functions as an intermediary and shields it from any direct contact with the open internet.

From the perspective of the client, interacting using reverse proxy isn’t different from interacting with your website server direct. It’s essentially the same, and the user doesn’t see the distinction. The client sends requests for resources that is then followed by receiving it with no further configuration by the user.

Reverse proxies offer features like:

Although centralized security is an advantage of both reverse and forward proxy servers. However, reverse proxies offer this benefit only to those who use the server layer but not to the client layer. Instead of having to maintain firewalls at the web server layer, which could contain multiple servers with various configurations, the majority of firewall security could be handled by the reverse proxy layer. Additionally eliminating the burden of interacting with a firewall and interacting with clients who request information from web servers lets them focus on serving the resources.

If there are multiple servers operating through a reverse proxy, the reverse proxy handles how requests are routed to the server. There may be several web servers providing the exact identical service, and each offering different types of resources or a mix of both. They may use the HTTP protocol for a traditional web server, however, they could also incorporate protocols for application servers like FastCGI. You can set up reverse proxy that routes customers to specific servers depending on the resource requested or to observe certain guidelines regarding traffic load.

Reverse proxies also profit by their position over web servers by offering the ability to cache data. Massive static resources can be created using caching rules to prevent from hitting web servers with every request, with some options allowing users to deliver static files without having to connect to a web server even once. Furthermore, the reverse proxy can handle compression of these assets.

The well-known Nginx website server also a very popular reverse proxy solution. While Apache is also a reverse proxy solution, this Apache web server has reverse proxy functions as an option that can be added to Apache however Nginx was designed originally for and specifically focused on reverse proxy functions.

Differentiating Forward and Reverse Proxy Use. Differentiating Forward and Reverse Proxy Use

Because “forward” as well as “reverse” come with connotations of directionality, and false comparisons to “incoming” as well as “outgoing” traffic the labels could be confusing since both kinds of proxy are able to handle requests and responses. In addition, the most effective method to differentiate between forward and reverse proxy is to analyze the specifications of the application you’re working on.

Reverse proxy is an essential element when you’re developing a solution to serve websites on the internet. They serve as your web servers in any interaction with the internet.

A forward proxy is useful when used in front of clients for personal use or even in a workplace. They act as your client’s proxy for any interaction on the internet.

Utilizing use cases to differentiate rather than focusing solely on the common naming conventions will help avoid confusion.


The article explained the significance of a proxy, with the two main types being the forward proxy and reverse proxy. Practical scenarios for using them and a discussion of the most effective features were employed to differentiate forward proxies from reverse proxies. If you’re interested to learn more about the advantages of proxies, then you should check out our guide on how to set up Nginx as an reverse proxy and an internet server using Apache on the Ubuntu 20.04 server.

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