A proxy is also referred to an application called a proxy server that serves as an intermediary between a client and server via the internet. Without proxy servers, users could send a request to servers directly and servers would then serve the requested resource directly to the user. Although this may be a straightforward procedure to comprehend and use, proxy servers can result in benefits like enhanced performance as well as privacy, security and much more. As an additional pass-through layer they are a way to secure the internet between clients and servers.

Generally speaking, the bundled set of server hardware along with the software for proxy installation is typically called proxy servers. This article will concentrate on proxy servers which are generally referred to as software, as well as in the context of web servers. The article will offer an explanation of the two primary kinds that are forward proxy and a reverse proxy. Each type has a different application, and is frequently confused due to the identical namesake convention.

This article will give you an idea of what proxy services and their subtypes are, as well as how they can be useful for common setups. After reading in this post, you’ll be able discern the scenarios where it’s beneficial to utilize a proxy and decide on the appropriate choice between forward proxy and reverse proxy, in any situation.

Understanding Forward Proxies

The forward proxy also referred to as the open proxy serves as the representative of the client in making an internet request to an the server that originated it. In this situation, all attempts to send requests made by the user are instead routed directly to the forward proxy. In this scenario the forward proxy, in the client’s stead, will examine the request. It first will determine if the client can make requests using this specific forward proxy. It will then either deny requests or redirect it to the original server. The client is not allowed direct access to the internet. It has access to only what the forward proxy permits it to connect to.

The primary reason for people to make use of forward proxy servers is to gain greater privacy or anonymity on the internet. Forward proxy makes use of the internet to replace an individual client, and during this manner, it may make use of an alternative IP address that is different from the original IP address that is used by the client.

Depending on the method by which it’s set up, a forward proxy can offer a range of features and permit you to:

Forward proxies can also be employed in systems that offer centralized security and access that is based upon permissions, like in a workplace. If all internet traffic flows through a common front proxy, the administrator can grant only a small number of clients connection to internet using a common firewall. Instead of maintaining firewalls at the client layer which can involve many machines with varying settings and users it is possible to set up an firewall installed the front proxy layer.

Be aware that forward proxy servers must be manually set up to allow them to be used while reverse proxies may be ignored by clients. Based on the type of IP address of a user is sent to the source server via the forward proxy privacy and security may be granted or kept in the dark.

There are several possibilities to think about when it comes to forward proxy options:

Understanding Reverse Proxies

A reverse proxy acts as an intermediary for the web server, taking care of incoming requests from clients on behalf. This web server may include an individual server or a number of servers. It could also serve as an application server, like Gunicorn. In any of these scenarios the request will come from a user via the internet at large. The majority of the time the request is made directly to the website server hosting the information the client is seeking. Reverse proxy acts as an intermediary to separate Web servers and prevent direct communication with the public internet.

From the point of the client’s point of view using reverse proxy is not any different from working with the Web server directly. It’s functionally the same but the client can’t discern the difference. Client requests the resource, and then it receives it, without any extra configuration required by the client.

Reverse proxies provide features like:

Although central security is a benefit for both reverse and forward proxy servers, reverse proxies offer this benefit to the layer that is on the webserver, rather than the client layer. Instead of coordinating firewalls on the server level which may contain multiple servers with various configurations, the majority of firewall security is concentrated on the reverse proxy layer. Furthermore, the elimination of the responsibility of interfacing with firewalls as well as interfacing with client requests via web servers allows the firewall to concentrate on providing the resources.

In the case of multiple servers participating within a reverse proxy the reverse proxy is responsible for directing which requests go at the server. There may be several web servers providing identical content, supplying different types of services or a mixture of both. These servers could be running the HTTP protocol similar to an ordinary web server. But, they may also be able to use applications server protocols like FastCGI. You can set up reverse proxy software to redirect visitors to a particular server based on the service requested or to comply with specific rules regarding traffic load.

Reverse proxies also benefit from their position before web servers by providing the capability of storing data. The large static files can be created with caching rules in order to avoid needing to connect with web servers for every request, with some solutions even allowing you to serve static files directly without touching the web server even once. Additionally reverse proxy is able to handle the compression on these resources.

The renowned Nginx web server is also used as a powerful reverse proxy service. However, Apache can also be a reverse proxy option however, the Apache web server is outfitted with a reverse proxy feature as an additional feature for Apache unlike Nginx was initially designed for and focuses on reverse proxy features.

Distinguishing Forward Proxy from Reverse Proxy Use Situations

Because “forward” and “reverse” have connotations of directionality as well as misleading comparisons to “incoming” and “outgoing” traffic, these labels can be confusing because both types of proxies manage both requests as well as responses. The best way to distinguish between forward and reverse proxies is to examine the requirements of the app you’re working on.

Reverse proxy is an effective tool to use when designing a solution to deliver web-based applications over the internet. Reverse proxy servers represent your website when you connect to the web.

A forward proxy can be helpful when placed before customers for your own usage and in professional setting. They are a representation of your client’s traffic for any internet-based interaction.

The practice of separating by use case instead of using the same naming conventions will assist you in avoidance of confusion.


This article clarifies the meaning of a proxy with two types: the forward proxy as well as the reverse. Practical application scenarios as well as the exploration of attributes that are beneficial were used to distinguish forward proxies and reverse proxy. If you’re interested in learning more about the use of proxy servers, you can learn how you can configure Nginx for use as an online server as well as reverse proxy to Apache using Ubuntu 20.04 Server. Ubuntu 20.04 Server.

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