A proxy, also known as a proxy is also known for its role as a proxy. is software that functions to act as an intermediary for a client and server over the internet. If there was no proxy in place, the user could send a request for anything directly to the server and servers would provide the requested resource directly to the user. This is a simple method to grasp and use however, the addition of proxy servers may provide benefits such as more performance, privacy and security, and so on. As an additional layer of protection, proxies act as a security guard for the internet, separating clients from servers.

There is a general consensus that the system of server hardware coupled with installed proxy software is often called proxy servers. However, this article will concentrate on proxy servers that are typically categorized as software, and specifically with respect to servers on the internet. This article will provide a brief overview of the two primary types of proxies that are a forward proxy and a reverse proxy. Each kind has a distinct usage, which can be confusing because of the same name convention.

This article will give you an idea of types of proxies, their subtypes are, as well as their importance in common configurations. By reading this article you’ll be able recognize the situations where you may benefit from a proxy, and determine the best alternative between reverse proxy or forward proxy for any scenario.

Understanding Forward Proxies

Forward proxy, also known as the open proxy acts as an agent for the user who wishes to send a request via the internet to a source server. In this case every request made by the client will be sent through this forward proxy. A forward proxy in the position of the customer will examine the request. It first will determine if the client is legally authorized to accept requests from this particular forward proxy. It will then either refuse requests or send it back to source server. The client is not capable of having directly access to internet. it will only be able to access the information that the forward proxy gives the access.

The most popular uses for forward proxies is increased privacy or security on the internet. A forward proxy is able to access the internet in lieu of a client’s individual account, and in the process, it may use a different IP address in comparison to the original IP address of the user.

Based on the way it’s configured, based on the way it’s set up forward proxy can provide various features and allow you to:

Forward proxies are also used in systems that provide central security and permission based access to the internet, for instance in a workplace. In the event that all internet traffic passes through a common forward proxy layer administrator can restrict access to only certain clients to the internet. This is blocked by a common firewall. Instead of having firewalls on the client layer which may include multiple machines with different configurations and users, a firewall can be placed at the proxy layer that is in front.

Keep in mind that forward proxy servers must be set up manually for use while reverse proxies could be disregarded by the client. According to the type of IP address of a client is sent to the server that originated it via the forward proxy privacy and security can be granted or made transparent.

There are a variety of choices to be considered when deciding on forward proxy options:

Understanding Reverse Proxies

Reverse proxy is a web server, which takes care of the requests of customers on behalf of the server. It can be used as a single server or as a series of servers. Additionally, it can include an application servers, such as Gunicorn. In all of these scenarios it is possible to send a request via the web at large. Most of the time the request is made directly to the server, along with the resources the client requires. A reverse proxy functions as an intermediary, segregating your website server from communicating with the internet’s users.

From a consumer’s point the client’s point of reverse proxy use is not any different than connecting to an internet server direct. It’s basically the same, but clients aren’t aware of the difference. The client asks for the resource, and it is then granted access without any further configuration required by the client.

Reverse proxies provide options like:

While central security is a benefit of both reverse and forward proxy services, reverse proxy providers provide this benefit only to the server layer, only the layer that clients use. instead of the maintenance of firewalls at the server level that could contain multiple servers with different configurations, the majority of firewall security could be concentrated on the reverse proxy layer. Furthermore, taking the responsibility of dealing with firewalls and interacting with requests from clients not connected to web servers allows them to concentrate solely on delivering the requirements of their clients.

In the case of multiple servers being hosted through a reverse proxy, the reverse proxy also manages the routing of requests towards the server that is hosting them. Multiple servers may be operating on the same server, or serving different types of resources or a mix of the two. They may use their HTTP protocol as a normal web server, but they could also incorporate protocols for application servers like FastCGI. You can create reverse proxy that routes clients to particular servers based on the request for source, and to observe certain rules for traffic load.

Reverse proxies can also make use of their position before web servers by offering the ability to cache. Large static assets can be managed by caching rules to avoid reaching web servers each time a request is made. There are solutions offering the option of serving static content directly without having to connect with a webserver. Furthermore, reverse proxy can manage compressing these files.

The renowned Nginx web server has become a well-known reverse proxy option. Although it is true that the Apache web server has a reverse proxy capabilities as an added feature for Apache however Nginx was initially designed and focuses on the reverse proxy function.

Differentiating Forward Proxy and Reverse Proxy Use Examples

Because “forward” and “reverse” are both associated with an impression of directionality and inaccurate comparisons to “incoming” and “outgoing” traffic and can confuse because both types of proxies handle requests and responses. Instead, a better way to distinguish between forward and reverse proxy servers is to look at the requirements of the app you’re creating.

Reverse proxy is a crucial aspect in the design of a solution to serve websites on the internet. They serve as servers whenever you connect to the Internet.

Forward proxy can be helpful to display customers’ information to your personal use or for use in a working environment. They are a way to display the information of your client every time you interact with them on the internet.

A distinction based on use case instead of focusing solely on naming conventions that are similar will make it easier to avoid confusion.


In this article, we clarified the definition of a proxy, with two types of them being the reverse and forward proxy. Practical applications and an examination of beneficial attributes were used to determine forward proxies as well as reverse proxy. If you’re interested in exploring the benefits of proxy servers, you can read our guide on how you can configure Nginx as web service and reverse proxy in Apache using the Ubuntu 20.04 server.

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