While all proxy servers provide an alternate address for users to use the Internet, there are several different types -- each with its own capabilities.
1. Forwarding proxy
The forwarding agent is located in front of the client and is used to send data to user groups on the internal network. When a request is sent, the proxy server checks it to determine whether it should proceed with the connection.
Forwarding agents are best suited for internal networks that require a single entry point. It provides IP address security for users on the network and allows for direct administrative control. However, forwarding agents can limit an organization's ability to meet the needs of a single end user.
2. Transparent proxy
Transparent proxies can provide users with the same experience they would with a home computer. In this way, it is "transparent". They can also "coerce" users, meaning they connect without their knowledge.
Transparent proxies are ideal for companies that want to use proxies without letting employees realize they are using them. It has the advantage of providing a seamless user experience. On the other hand, transparent proxies are more vulnerable to certain security threats, such as SYN-flood denial-of-service attacks.
Transparent proxies are best suited to users who want complete anonymity when accessing the Internet. While transparent proxies offer some of the best possible identity protection, they are not without drawbacks. Many people consider the use of transparent agents to be sneaky, so users sometimes face resistance or discrimination.
3. Anonymous proxy
Anonymous proxies focus on making Internet activity untraceable. It works by accessing the Internet on behalf of users while hiding their identities and computer information.
4. Highly anonymous proxy
A highly anonymous proxy is an anonymous proxy that takes anonymity one step further. It works by erasing your information before the agent tries to connect to the target site.
The server is best suited to users who absolutely need anonymity, such as employees who do not want to trace their activities back to their organization. On the downside, some of them, especially free ones, are bait designed to entrap users in order to access their personal information or data.
5. Distorted proxy
The distortion agent identifies itself as the agent for the site, but conceals its identity. It does this by changing its IP address to an incorrect one.
Distortion proxy is a good option for people who want to hide their location when accessing the Internet. This type of proxy allows you to look as if you are browsing from a specific country/region and gives you the advantage of hiding not only your identity, but that of the proxy as well. This means that even if you are associated with the broker, your identity is still secure. However, some sites will automatically block the distortion proxy, which may prevent end users from accessing the site they need.
6. Data center proxy
The data center proxy is not affiliated with an Internet service provider (ISP), but is provided by another company through the data center. A proxy server exists in a physical data center and users' requests are routed through this server.
Data center proxies are a good choice for people who need fast response times and an inexpensive solution. Therefore, they are a good choice for people who need to gather personal or organizational intelligence quickly. They offer the benefit of allowing users to collect data quickly and inexpensively. On the other hand, they do not provide the highest level of anonymity, which may put the user's information or identity at risk.
7. Residential proxy
The residential proxy provides you with the IP address that belongs to a specific physical device. All requests are then sent through the device.
Residential agents are perfect for users who need to verify ads on their sites, so you can block suspicious or unwanted ads from competitors or bad actors. Residential proxies are more trustworthy than other agency options. However, they usually cost more to use, so users should carefully analyze whether the benefits are worth the extra investment.
8. Public proxy
Anyone can access the public agent for free. It works by giving users access to their IP address, hiding their identity when they visit the site.
Public proxies are best suited to users where cost is a major concern and security and speed are not. Although they are free and easy to access, they are often slow because they are plagued by free users. When you use a public proxy, there is also an increased risk that your information will be accessed by others on the Internet.
9. Share the proxy
Multiple users use the shared proxy simultaneously. They give you access to IP addresses that might be shared by others, and you can then surf the Internet while appearing to browse from the location of your choice.
Shared agents are a reliable option for people who don't have a lot of money to spend and don't necessarily need a fast connection. The main advantage of shared agents is their low cost. Because they are shared by other people, you could be blamed for other people's bad decisions, which could result in you being barred from a site.
10. SSL proxy
Secure Sockets Layer (SSL) agents provide decryption between client and server. Because the data is encrypted in both directions, the proxy hides its presence from both the client and the server.
These proxies are best suited for organizations that need enhanced protection against threats that the SSL protocol reveals and blocks. Since Google prefers servers that use SSL, SSL proxies may help its search engine rankings when used with web sites. On the downside, there is no way to cache encrypted content on the SSL proxy, so you may experience slower performance on multiple visits to the site than otherwise.
11. Rotating proxies
The rotating proxy assigns a different IP address to each user connected to it. When a user connects, they are given an address that is unique to the previously connected device.
Rotating proxies are ideal for users who need to do a lot of continuous web scraping. They allow you to anonymously return to the same site again and again. However, you must be careful when choosing a rotating proxy service. Some of these contain public or shared agents that might expose your data.
12. Reverse proxy
Unlike the forward proxy, which sits in front of the client, the reverse proxy sits in front of the Web server and forwards requests from the browser to the Web server. It works by intercepting requests from users at the edge of the Web server's network. It then sends the request to the source server and receives a reply from the source server.
Reverse proxies are a powerful option for popular web sites that need to balance the load of many incoming requests. They can help organizations reduce bandwidth load because they are just another Web server managing incoming requests. The downside is that reverse proxies can expose HTTP server architectures if an attacker is able to penetrate them. This means that network administrators may have to strengthen or relocate their firewalls if they use reverse proxies.
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