4 Ways You Can Use Proxy Sites To Become Irresistible To Customers > 자유게시판

The term "proxy" is a reference to a proxy or proxy server is software that acts as a mediator between client and server on the internet. Without the need for a proxy, a user could send a request to the server directly and the server will provide direct access to that resource. Although this method is easy to understand and apply using proxy servers, it does offer advantages in terms of improved performance and privacy, security and more. In addition, a pass-through a proxy serves as a security guardian for the internet between servers and clients.




The combined combination of server hardware and installed proxy software is often referred to as proxy servers. This article will focus on proxies that are traditionally described as software as when referring to web servers. The article will offer an explanation of two main types: that is a forward proxy and reverse proxy. reverse proxy. Each kind has its own unique usage situation, and is frequently confused due to the similar namesake convention.




This article will give you the knowledge of what subtypes and proxies include and the things they do in the common configurations. After reading this article, it will be able identify scenarios where the use of proxy servers is advantageous, and then choose the best option between forward proxy and reverse proxy in any given situation.



Understanding Forward Proxies



Forward proxy also referred to as open proxy. An open proxy is an agent for users who are seeking to make an internet request to a server. In this instance, the entire attempt to send requests made by the client is sent through this forward proxy. The forward proxy, acting on behalf of the client, will review the request. It first decides if clients are authorized to send requests via this particular forward proxy. It will then refuse requests or redirect it to the server that originally made the request. The client doesn't have a direct connection to the internet. It is able to access only the information that forward proxy allows it to access.




The most popular reason to utilize forward proxy is to increase security or privacy when surfing the web. Forward proxy connects to the internet, not the client, and in this manner, it utilizes an IP address different from the original IP address used by the user.




Based on the way it is created, the forward proxy can provide various functions based upon the way it's configured and allows you to:




Beware of ads-trackers.


Circumvent surveillance.


Find restrictions that are based on the location you are in.




Forward proxies are also employed in systems that offer security centrally and access based on user permissions, for instance, in workplaces. If all internet traffic is routed through an open forward proxy an administrator can limit access to only certain clients to the internet. This is filtered by the common firewall. Instead of creating firewalls at clients, the layer could include multiple machines with different settings and users, the firewall could be placed at the layer that forwards proxy data.




Be aware that forward proxy servers need to be manually configured for use, and reverse proxies may be ignored in the eyes of the user. Depending on the type IP address the user's IP address, the server that originated it through the forward proxy privacy and anonymity could be granted or kept in the dark.




There are numerous alternatives to think about when considering forward proxy choices:




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


Nginx: Another well-known open-source web server that has the ability to forward-proxy.


Squid is an open-source forward proxy that utilizes the HTTP protocol. It isn't part of the full Web server. We've got a guide on how you can set up Squid proxy to allow private connections in Ubuntu 20.04.


Dante Forward proxy that utilizes the SOCKS protocol instead of HTTP which makes it better suited for scenarios such as peer-to-peer connections. You can also discover how to configure Dante proxy to permit private connections in Ubuntu 20.04



Understanding Reverse Proxies



A reverse proxy functions as an agent for a web server that manages requests from users for. The web server could be a single server or a number of servers. It could also serve for application servers, for instance Gunicorn. In any case the request will be made through the internet generally. In the majority of cases, your request is sent direct to a server hosting the resources that the user wants. A reverse proxy serves as an intermediary, separating the webserver from direct interaction with the internet's open.




From the point of view of a user the experience of using reverse proxy is no different from interacting with your webserver directly. It's basically the same however the client is unable to be able to discern the difference. The client makes a request for an item and receives it, with no additional configuration needed by the client.




Reverse proxy providers provide features like:




Security centralized to web server.


It is the direction in which traffic that is incoming based on rules that you set up.


The caching feature has been added to the app.




While central security is a benefit of both forward and reverse proxy servers, reverse proxy servers provide this benefit only to the server layer, and not the layer that clients use. Instead of maintaining firewalls on the layer of web servers, which could contain several servers with different configurations, the majority in firewall protection is placed on the reverse proxy layer. In addition, the ease of dealing with firewalls and dealing with requests from clients who do not have web servers allows them to focus on meeting the requirements of their customers.




When there's multiple servers running within a reverse proxy the reverse proxy is responsible for directing the requests directed to which servers. There could be several web servers offering the same service, but each having different resources or a mixture of both. They can use an HTTP protocol to operate as a normal web server, however they can also be equipped with application server protocols like FastCGI. It is possible to create reverse proxy servers to direct users to specific servers based on the requested resource, or to adhere to specific guidelines for the volume of traffic.




Reverse proxies also can benefit from their positioning over web servers, by providing the ability to cache information. Massive static resources can be configured by using caching rules in order to prevent from hitting web servers with each request. Certain solutions allow you to deliver static files directly without having to connect to the servers in any manner. Additionally reverse proxy can be used to compress these files.




The well-known Nginx web server is also used as a well-known reverse proxy service. While Apache has a reverse proxy service but it is not a reverse proxy solution. Apache web server also has reverse proxy capabilities as an extra option for Apache and Nginx was initially developed for and focuses on the reverse proxy feature.



The difference between the use of forward and reverse proxy Examples



Since "forward" as well as "reverse" are associated with a sense of directionality, and false comparisons to "incoming" as well as "outgoing" traffic can be confusing because both kinds of proxy servers handle both responses and requests. An alternative approach to distinguish between reverse and forward proxy is to consider the requirements of the app you're developing.




A reverse proxy can be beneficial in the creation of a solution to provide web-based applications over the internet. They act as your web server whenever you use the internet.




Forward proxy can be beneficial when it is placed in front of clients to use for personal purposes, or in a work setting. They represent your client's traffic when you use the internet.




A case-based approach to distinction rather than focusing on common naming conventions can aid in avoiding confusion.



Conclusion



This article clarified the definition of a proxy with the two primary types: the forward proxy and reverse proxy. Practical examples of use as well as a discussion of most effective features were employed to differentiate between reverse and forward proxies. If you're interested in exploring the benefits for proxy servers follow our guide on how to set up Nginx as an Internet server and reverse proxy for Apache in Ubuntu 20.04. Ubuntu 20.04 server.



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