It is proxy is proxy is also known as a proxy server is software that acts in the middle between a client and server over the internet. Without the use of a proxy, users will send a request for the resource directly to a server, and it would then serve that resource to its user directly. While this approach is straightforward to understand and implement but adding proxies offers advantages in the form of more performance, privacy, security, and more. As an additional layer for being able to pass between, it acts as a security guard for the internet between clients and servers.

The general consensus is this: the mix of hardware for servers with installed proxy software is often called proxy servers. In this article, we will concentrate on proxies that are typically described as software, as well as those that are utilized to work in conjunction with web servers. This article will provide an in-depth description of two kinds of proxies such as one that is a forward proxy and one called a reverse proxy. Each is unique in its use that is frequently confused due to the similar namesake convention.

This article will give you an understanding of the different types of proxy and their subtypes, and the ways in which they can be beneficial for the most common setups. By reading this article you’ll learn to identify the circumstances that a proxy could be beneficial, and decide on the best forward proxy or reverse proxy in any given situation.

Understanding Forward Proxies

The forward proxy sometimes known as the open proxy is the agent of a client who is trying to send requests via the internet to an origin server. In this scenario, it’s the scenario that all requests made by the client will be directed via the forward proxy. In this case the forward proxy, instead of the client will scrutinize the request. In the beginning, it will determine if the client is allowed to forward requests through this specific forward proxy. Then, it decides to refuse this request as well as transfer it over to the origin server. It isn’t able to connect directly via the Internet. It can only access what forward proxy permits the forward proxy to connect.

A typical use of forward proxy is to achieve more privacy or security online. Forward proxy utilizes the internet as a separate client, and during this way, it could use another IP address in comparison to the original IP address used by the client.

Based on the way it was established in the past forward proxy servers could offer a wide range of options, allowing you to:

Forward proxies are also used in systems that provide central security and permission based access, such as in the workplace. If all internet traffic flows via an open forward proxy,, an administrator can grant only a few clients online access, that is blocked by a standard firewall. Instead of establishing firewalls at the level of client which can include multiple machines with different user and environment the firewall can be set up at the layer which is responsible for forwarding proxy data.

Remember that forward proxies have to be set up manually prior to be used, while reverse proxies are often disregarded by clients. Depending on whether the IP address of the client is passed on to the server that originated it via the forward proxy, privacy and anonymity may be made transparent.

There are a myriad of possibilities to consider when it comes to forward proxy options:

Understanding Reverse Proxies

Reverse proxy acts as a representative of a web server which manages requests by customers on its behalf. Web servers can represent one or more servers. It could also serve as an app server such as Gunicorn. Any of the above cases, the request may come from a client through the internet in general. The majority of the time the request is delivered directly to the web server with the resources that the user wants. Reverse proxy, however, acts as an intermediary to isolate your website server from any interaction with the open internet.

From a client’s perspective from the perspective of a customer reverse proxy is no different from communicating with your webserver directly. It’s the same thing, and the client cannot discern the difference. Client requests resources, which is followed by receiving it, without any additional configurations required for the end-user.

Reverse proxy proxies may offer options, such as:

While central security is an advantage of both forward and reverse proxy solutions, reverse proxies give this benefit only to the server layer, not to the client layer. Instead of the maintenance of firewalls on the layer of web servers which can contain several servers with different configurations, the majority of firewall security resides in the reverse proxy layer. Furthermore, removing the obligation of interfacing with firewalls and communicating with requests from clients who aren’t connected to web servers allows the firewall to concentrate on serving the needs of their clients.

If there are multiple servers connected to a reverse proxy the reverse proxy is also in charge of how requests are routed on the server. Multiple web servers could be operating from the exact same computer, providing different kinds of resources or a mix of both. These servers can use the HTTP protocol in the same way as a traditional web server. They can include applications server protocols like FastCGI. It is possible to set up a reverse proxy to direct users to specific servers based on the kind of resource they are seeking, or to adhere to certain rules for traffic load.

Reverse proxies also profit by their position before web servers by delivering the capability of caching. Large static assets are able to be configured with caching policies to avoid the web server from being hit on every request, with some solutions offering the possibility to directly serve static assets without connecting to the internet server for even one time. In addition reverse proxy can be able to handle compression of these assets.

The popular Nginx web server is also an acknowledged reverse proxy service. Although the Apache web server, it’s also equipped with reverse proxy function it’s an additional feature available only for Apache however Nginx was initially designed for and specifically designed for the reverse proxy function.

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

Due to the fact that “forward” or “reverse” are associated with the notion of directionality, as well as false comparisons to “incoming” as well as “outgoing” traffic. These terms can be confusing since both kinds of proxies are able to handle requests as well as responses. An alternative method to differentiate between reverse and forward proxies is to examine the specifications of the application that you are creating.

A reverse proxy can be useful in the creation of a system to deliver web-based services over the internet. They serve as your servers when you interact with the internet.

Forward proxy can be helpful when you are before a client for personal use or in the workplace. They can be used to represent the traffic of your clients when you are on the internet.

A distinction based on use case rather than focusing only at similar names can aid in avoiding confusion.


This article provides the definition of a proxy that includes two main kinds: the forward proxy and the reverse proxy. Practical application scenarios and a review of the useful features were used to distinguish between forward proxy and reverse proxy. If you’re interested in exploring the possibilities of proxies, then you can check out our guide on how to set up Nginx as a reverse and webserver proxy using Apache on an Ubuntu 20.04 Server.

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