Six Practical Techniques to turn Proxy Sites Into a Sales Machine

A proxy also referred to the software that acts as a mediator between a client and server on the internet. Without proxy servers, a user could submit a request to resources directly to a server and servers would provide requests directly for the resource requested by the client. While this is a simple procedure to comprehend and use, the addition of proxies can bring benefits such as enhanced performance as well as privacy, security and more. As an additional layer of pass-through they serve as a security barrier on the internet between clients and servers.

Generally speaking, the bundled package of server hardware with the software for proxy installation is typically called proxy servers. This article will concentrate on proxy servers that are generally referred to as software, and as in the context of web servers. This article will give an explanation of the two primary kinds that are forward proxy and the reverse proxy. Each has its own use case, often confused due to the identical namesake convention.

This article will provide you with an idea of the types of proxy services, what their subtypes are, as well as the ways they can be useful for common setups. If you've read in this post, you'll be able to recognize situations where it is beneficial to use proxy services and make the best option between forward and reverse proxy for any scenario.

Understanding Forward Proxies

The forward proxy, also known in the context of or an open proxy serves as the client's representative trying to send an internet-based request to the server that originated it. In this situation the attempts to make requests by the user will instead be sent directly through the forward proxy. In this situation, the forward proxy in the client's stead, will review the request. It will first decide if this client is able to make requests via this specific forward proxy. Then, it can either refuse requests or redirect them to the original server. The client is not capable of having directly access to internet. It is only able to access what the forward proxy permits it to connect to.

The primary reason for people to utilize forward proxy services is to gain greater privacy or anonymity on internet. Forward proxy makes use of the internet in lieu of a client on its own, and during this manner, it may make use of an alternative IP address to the original IP address that is used by the client.

Based on the way it's configured, forward proxy may offer a range of features and permit you to:

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  Beware of ads that track you.
  
  
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  Circumvent surveillance.
  
  
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  Find restrictions based on the your location.
  
  

Forward proxies can also be utilized in systems that provide central security and access based on permissions, for instance in a workplace. If all traffic on the internet flows through an open forward proxy layer, an administrator is able to permit only a few clients online access through an ordinary firewall. Instead of establishing firewalls on the client layer, which can involve many machines with varying settings and users you can have the firewall configured the proxy layer that is front.

Be aware that forward proxy servers must be manually set up for their use while reverse proxies may be ignored by clients. Depending on whether the IP address of a user is transmitted to the origin server through the forward proxy, security and privacy can be granted or left transparent.

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

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  Apache is an incredibly well-known open source web server, which provides forward proxy capabilities.
  
  
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  Nginx: Another widely used open-source webserver, which includes forward proxy functionality.
  
  
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  Squid: An open source forward proxy which utilizes an HTTP protocol. This option doesn't include an entire website server program. Learn more from our guide on how to use Squid proxy to allow private connections in Ubuntu 20.04.
  
  
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  Dante: a forward proxy that operates using the SOCKS protocol rather than HTTP to make it better to work in situations like peer-to-peer communication. It is also possible to learn how to create the Dante proxy to allow private connections to Ubuntu 20.04
  
  

Understanding Reverse Proxies

Reverse proxy is an agent for a web server that handles any requests that come in from clients on its behalf. The web server can comprise one server or several servers. Additionally, it can serve as an app server, like Gunicorn. In any of these scenarios a request could come from a user via the internet in general. In the majority of cases it is transmitted directly to the website server hosting the information the client is requesting. Reverse proxy acts as an intermediary to shield Web servers and prevent direct contact with the web's public.

From a consumer's point view from a client's perspective using reverse proxy isn't the same as working with a the Web server directly. It's basically the same thing, however the client isn't able to distinguish between the two. Client makes request for the resource and it gets it without any extra configuration required for the end user.

Reverse proxies provide features like:

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  A central layer of security to protect the server.
  
  
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  Controlling traffic that is inbound according to rules that you can set up.
  
  
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  New functionality added for caching.
  
  

Central security is a benefit of both reverse and forward proxy servers, reverse proxy servers provide this feature to that layer on the webserver rather than the client layer. instead of maintaining firewalls at the server level, which could include multiple servers that have various configurations, the majority of firewall security is concentrated in the reverse proxy layer. Also, the removal of the responsibility of interfacing with firewalls and interacting with requests from clients off of web servers enables the firewall to focus on supplying resources.

In the event of multiple servers in a reverse proxy, the reverse proxy determines which requests are directed to which server. There may be several web servers offering identical content, supplying various kinds of services, or a mix of both. These servers can be using the HTTP protocol similar to an ordinary web server. But, they may also be equipped with application server protocols such as FastCGI. You can configure reverse proxy servers to route visitors to specific server depending on the service requested, or to adhere to certain rules for traffic load.

Reverse proxies also benefit from their positioning ahead of web servers, by offering the capability to store data. Large static assets can be set up with caching rules to avoid having to contact web servers every time you request. There are some solutions allowing you to directly serve static assets without having to contact the web server for even one time. Furthermore reverse proxy can manage the compression of these assets.

The popular Nginx web server can also function as a powerful reverse proxy service. Although Apache has a reverse proxy option however, the Apache web server is fitted with an reverse proxy option as an added option for Apache unlike Nginx was originally designed to and focuses on reverse proxy capabilities.

Differentiating Forward Proxy from reverse Proxy Use Situations

Due to the fact that "forward" or "reverse" are associated with the notion of directionality, as well as misleading comparisons to "incoming" as well as "outgoing" traffic These labels can be confusing as both kinds of proxies manage both requests as well as responses. The best way to distinguish between reverse and forward proxy is to study the specifications of the application you're working on.

Reverse proxy can be a valuable tool when you're developing a solution to serve applications on the web via the internet. Reverse proxy servers represent your website every time you use the internet.

A forward proxy is helpful when it is displayed before clients for personal use as well as in an official context. They are a representation of your client's traffic for any internet-based interaction.

The practice of separating by use case instead of focussing on similar names will help in making sure that there is no confusion.

Conclusion

This article clarifies the meaning of a proxy with two kinds: the forward proxy and reverse proxy. Practical application scenarios and an examination of the beneficial attributes were used to identify forward proxies and reverse proxy. If you'd like to explore the use of proxy servers we recommend you read our guide on how to set up Nginx as an internet server as well as reverse proxy to Apache in the Ubuntu 20.04 server.

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