Get The Scoop on Proxy Sites Before You’re Too Late

February 23, 2024

A proxy or proxy server is a software that sits acting as an intermediary for a client and server over the internet. Without the use of a proxy, users will send a request to an item directly the server, and then the server would provide the requested resource directly to the user. Although this method is easy to understand and use, the addition of proxies can provide advantages such as increased performance, privacy and security, among other things. In addition to moving through, proxies serve as a security layer for the internet between servers and clients.

In general, the bundled package of server hardware with the software for proxy installation is commonly referred to as proxy servers. But, this article will concentrate on proxy servers that are usually described as software, as well as those used together with web servers. This article will provide a brief overview of the two major types of proxies: they are one that is forward and a reverse proxy. Each has its own usage that can cause confusion because of a similar language.

This article will give you an idea of the what proxies and their subtypes are, and their utility in a variety of configurations. After reading this article, you’ll understand what situations in which a proxy is useful, and choose the best option to use a forward or reverse proxy based on the situation.

Understanding Forward Proxies

Forward proxy also known in the context of an open proxy serves as a representative for a client that is trying to send an online request to a source server. In this scenario, the entire request sent by the client will be controlled by the forward proxy. Forward proxy acting in lieu of the user, will examine the request. It will first verify if the client has been granted permission to send requests via this particular forward proxy. It will then reject an demand and then forward the request to an origin server. The client is not able to have direct access for the web. It can access only the information that the forward proxy permits the client to connect.

The most frequent use of forward proxy is increased security or privacy online. A forward proxy is connected to internet in place of a client, and during this process it utilizes an alternate IP address that is different from the client’s original IP address.

Based on how it was set up in accordance with the method of configuration, a forward proxy could provide a variety of functions depending on how it’s configured, which allows you to:

  • Do not be a victim of ad tracking.

  • Circumvent surveillance.

  • Identify restrictions based on your location.

Forward proxies are also utilized in systems of centralized security and permission dependent access, such as, in workplaces. When all internet traffic is routed through a common forward proxy, the administrator can restrict access for only a select group of users to the internet by a common firewall. Instead of having firewalls in place for the client layer that may comprise several machines that have various environments and users, there is the possibility to have an firewall that is located in the forward proxy layer.

It is crucial to keep in mind to remember that forward proxy servers need to be manually set up to be used, while reverse proxies may be hidden from clients. Depending on the kind of IP address the client, it will be passed to the server that created it through the forward proxy privacy and security can be granted or left in the dark.

There are a variety of alternatives to consider for forward proxies

  • Apache is a well-known open-source web server that provides forward proxy capability.

  • Nginx: Another well-known open-source web server with forward proxy features.

  • Squid: An open-source forward proxy that utilizes the HTTP protocol. This doesn’t offer an entire website server software. It is possible to read our guide on how to set-up Squid proxy to permit private connections with Ubuntu 20.04.

  • Dante Forward Proxy that utilizes the SOCKS protocol instead of HTTP which makes it more for use in situations such as peer-to -peer traffic. It is also possible to understand how to configure a Dante proxy to allow private connections on Ubuntu 20.04

Understanding Reverse Proxies

A reverse proxy is an agent for web servers that handle any requests made by clients on its behalf. The web server may consist of a single server, or multiple servers. In addition, it could include an application server, such as Gunicorn. In both cases, the request will come from an internet user generally. In the majority of cases, requests will get made directly to the web server that has all the resources that the user is needs. In contrast reverse proxy acts as an intermediary, and separates Web server from direct communication with the internet.

From a consumer’s point the consumer’s perspective, working with reverse proxy isn’t any different than interacting with an online server direct. It’s pretty much the same, and the client cannot discern the distinction. The client makes a request for this resource and it is then granted without additional configurations that need to be done by the customer.

Reverse proxies provide features such as:

  • A central layer of security to protect the server.

  • Controlling traffic that is inbound on rules that you can create.

  • A new feature for caching is now available.

While central security is an advantage of both reverse and forward proxies, reverse proxies provide this only to the server layer, but not the layer that clients use. instead of maintaining firewalls at Web server layers that can contain many servers and different configurations, the bulk of security measures for firewalls are targeted towards the reverse proxy layer. Additionally, removing the burden of communicating with firewalls and interacting with requests from clients that are not web servers allows the firewall to focus on delivering the needs of their customers.

In the event of several servers running in reverse proxy, it determines which requests are sent towards which servers. There are many web servers working on the same server, providing different kinds of resources or a mix of the two. These servers use the HTTP protocol like a traditional web server. However, they could also be equipped with application server protocols such as FastCGI. You can configure reverse proxy servers to guide the clients towards specific servers depending on the type of resource they are seeking, or to comply with certain rules for traffic load.

Reverse proxies also have the ability to gain advantage from their position prior to web servers, through providing caching functions. Large static assets can to be set up with caching rules so that they do not have to call web servers for every request. Some solutions offering an option to directly serve static files without having to connect to the server once. In addition, the reverse proxy can manage compression of these files.

The well-known Nginx web server can also function as a reliable reverse proxy service. Although it is real that the Apache webserver is outfitted with a reverse proxy, it can be used in conjunction with Apache but Nginx was designed originally to and is primarily focused on the reverse proxy feature.

Distinguishing Forward Proxy from reverse Proxy Examples

Since “forward” and “reverse” are associated with the notion of directionality, they can lead to inaccurate comparisons with “incoming” as well as “outgoing” traffic and can be confusing as both types of proxy services process requests and response. An alternative approach to distinguish between forward and reverse proxy service is to take into account the requirements of the application you’re creating.

Reverse proxy can be useful when you’re creating a solution for offering web-based solutions on the internet. They serve as your servers for any interaction with the Internet.

Forward proxy software is useful when they are put in front of a client for your personal usage and in the professional setting. They are your client’s representative when you connect to the internet.

A case-based distinction instead of focusing on the commonly used naming conventions can help you in avoiding confusion.


This article explains what a proxy is along with two kinds: forward proxy and reverse proxy. Practical applications and an exploration of useful features were utilized to distinguish between reverse and forward proxies. If you’re interested in learning more about the ways to implement proxies we recommend you read our tutorial on how to configure Nginx as a web server and reverse proxy using Apache running the Ubuntu 20.04 server.

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