Five Predictions on Proxy Sites in 2024 > 자유게시판

프로젝트 :

업체명 : VC

담당자명 : Christin Fihelly

연락처 : DT

이메일 : christinfihelly@yahoo.com

It is a proxy, also called a proxy server, is software that acts to act as mediator between client and server on the internet. Without a proxy, a client could send a request every resource straight to the server, and then the server would deliver the resource directly for the client. Although this method is simple to understand and implement, the addition of proxy servers can bring advantages in the form of enhanced performance and privacy, security and many other benefits. As a pass-through layer, a proxy acts as an extra layer of security on the internet between clients and servers.

There is a general consensus that the mix of hardware for servers and software to install proxy servers is often referred too by the name of proxy servers. This article will be focusing on proxy servers which are generally classified as software, as well as in the context of web servers. There will be a discussion of the two main types that are forward proxy and reverse proxy. reverse proxy. They each have their own use situation, and is often misunderstood because of the similar terms.

This article will provide you with an understanding of the different types of proxy and what subtypes they are and how they function in the common configurations. After having read this article, you'll be able determine the situations in which you can benefit from a proxy and then decide which is the best choice between reverse and forward proxy options for every scenario.

Understanding Forward Proxies

The forward proxy also known by the name of the open proxy serves as the representative of a customer who wants to make a request through the internet to a source server. In this instance, the whole attempt to send requests made by the user is instead sent to the forward-proxy. This forward proxy, acting as a substitute for the client will scrutinize the request. The first process is to determine if the client is permitted to accept requests from this specific forward proxy. Then, it decides to decline a request and forward it to its origin server. The client isn't capable of having an internet connection directly. It has access to only what forward proxy allows the client to access.

A common use of forward proxy is to achieve more privacy or protection when surfing the web. A forward proxy is able to access the internet in instead of a client and in this manner it could use a different IP address than the initial IP address.

Depending on how it has been configured, the forward proxy will provide various functions based upon the way it has been configured, which lets you:

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  Stay clear of tracking ads.
  
  
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  Circumvent surveillance.
  
  
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  Find restrictions that are based on your area.
  
  

Forward proxies are also utilized for security systems that are centralized and permission-based access, such as at work. Every internet connection can go by an open forward proxy, an administrator could permit only a handful of clients access to the internet through an ordinary firewall. Instead of setting up firewalls for the client layer, that could include a variety of computers with different settings and users A firewall can be placed on top of an front proxy layer.

It is important to remember that forward proxies need to be set up manually to be used, however reverse proxies be ignored by the clients. Based on the fact that the IP address of the user is sent to the server from which it originated by the forward proxy privacy and anonymity could be granted, or if it is left unnoticed.

There are a myriad of options to consider forward proxy options

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  Apache The Apache is a popular open-source webserver that offers forward proxy features.
  
  
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  Nginx is a popular open-source webserver that comes with forward proxy capabilities.
  
  
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  Squid is an open source forward proxy that uses the HTTP protocol. It doesn't come with an entire web server application. Check out our guide on how to install Squid proxy for private connections for private connections on Ubuntu 20.04.
  
  
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  Dante Forward Proxy that utilizes the SOCKS protocol instead of HTTP which makes it more suited for cases like peer-to-peer traffic. It is also possible to investigate how to set up the Dante proxy to connect privately in Ubuntu 20.04
  
  

Understanding Reverse Proxies

A reverse proxy serves as a webserver, which takes care of requests from clients in its place. The web server may serve as a one server or a number of servers. In addition, it could serve in the role of an application server, such as Gunicorn. In any of these situations, the request comes from a customer via the internet. In most cases, the request will be directly sent to the server that contains the resources the user wants. In contrast, a reverse proxy works as an intermediary, shielding it from any direct interaction with the open internet.

From the perspective of the client, interfacing using reverse proxy isn't different from interacting with the web server directly. It's functionally identical and the user is unable to tell the distinction. The client makes a request for a resource, which is followed by receiving it without any further configuration by the user.

Reverse proxies provide features like:

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  Security centralized for web servers.
  
  
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  The sending of traffic in accordance with rules you decide to decide to define.
  
  
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  Additional features to cache data.
  
  

Although centralized security is an advantage of both reverse and forward proxy servers. However, reverse proxies offer this benefit only to that layer of the internet server but not the layer that clients use. Instead of having to maintain firewalls at the web server layer, that can include multiple servers with different configurations, the bulk of the firewall security can be concentrated at the reverse proxy layer. Additionally, getting rid of the burden of interacting with firewalls and communicating with requests coming from clients far from web servers lets them focus on serving the resources.

If multiple servers are operating through a reverse proxy, the reverse proxy also handles the way requests are routed to the server. There may be several web servers providing the exact same service, all offering different types of resources or a mix of both. They may use the HTTP protocol for a traditional web server, however they could also incorporate applications server protocols like FastCGI. You can create reverse proxy servers to direct users to specific servers based on the resource requested or to follow specific rules for traffic load.

Reverse proxies also can profit from their placement on top of web servers, as they provide the ability to cache data. Large static assets can be configured using caching rules to prevent from hitting web servers with every request, with certain options allowing users to upload static files directly without connecting to the web server even once. Furthermore, the reverse proxy can handle compression of these files.

The popular Nginx website server a highly popular reverse proxy service. Although Apache can also be a reverse proxy solution however, this Apache web server does have reverse proxy capabilities as an additional option to Apache while Nginx was designed originally for and was designed with a focus on reverse proxy capabilities.

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

Since "forward" and "reverse" have connotations of directionality, as well as false connections to "incoming" as well as "outgoing" traffic, these labels can confuse because both types of proxies deal with requests and responses. In addition, the most effective method to differentiate between reverse and forward proxy is to look at the requirements of the app you're creating.

Reverse proxy is an important element when you're creating a solution for serving web applications on the internet. They serve as your web servers in any interaction with the internet.

A forward proxy is useful for use in front of clients for personal use or in a working environment. They act as your client's proxy for any interaction on the internet.

The use case-based differentiation as opposed to focusing only on common name conventions will help avoid confusion.

Conclusion

The article explained the meaning of a proxy and the two main types being the forward proxy and reverse proxy. Practical scenarios to use them and a review of the most effective features were employed to differentiate forward proxies from reverse proxy. If you're keen to learn more about the advantages of proxies, you can check out our guide on how to configure Nginx as an reverse proxy and internet server using Apache on the Ubuntu 20.04 Server.

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