What Is Proxy Server
In the huge computer system, Proxy servers are the server applications that hide the information of the user from the online servers. It’s an intermediary server separating end-user clients from the destinations that they browse. The proxy servers make all of your internet activity appear as if it’s coming from a completely different location.
Instead of connecting directly to a server that can fulfill a requested resource, such as a file or web page, the client directs the request to the proxy server, which evaluates the request and performs the required network transactions. This serves as a method to simplify or control the complexity of the request or provide additional benefits such as load balancing, privacy, or security. Proxies were devised to add structure and encapsulation to a distributed system.
Uses Of Proxy Server
- Prevent hackers from intercepting sensitive information.
- You can block malware sites from your real network.
- Cache websites so that only one request to the site is made no matter how many users are on the proxy.
- You can block specific domains.
- You can monitor and log all web requests.
- You can access content from a different country.
- Get around corporate firewalls.
- You always have cookies blocked.
- You always have ads blocked.
- You can access the deep web.
- It removes any search tailoring or tracking your previous searches.
- You can scrape data.
- You can do research on your competition.
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Advantages Of Proxy
- Secure and private internet browsing.
- Ability to get around geolocation restrictions.
- Better network performance.
- Ability to control what websites clients have access to.
- Many types to choose from to suit specific needs.
Disadvantages Of Proxy
- Your requests might return really slow.
- Not all proxies encrypt your requests so your information could still leak out.
- Free or cheap proxies could be set up by hackers or government agencies.
- Proxies can disappear at any time.
- All of your requests and information always go through a third party that could be run by anyone.
Types Of Proxies
There are many different types of proxies. I’ll give you a quick overview of 14 different proxy types.
Its proxies are the simplest kind of proxy. A transparent proxy is a server that sits between your computer and the internet and redirects your requests and responses without modifying them.
The other name of Transparent proxy is an inline proxy, intercepting proxy, or forced proxy.
Anonymous proxies are a commonly used type of proxy. They never pass your IP address to the website you are browsing although they will identify themselves as a proxy in the request. This helps keep your browsing activity private.
High anonymity proxy
These proxies are the most secure type because they don’t pass along your IP address and personal data and they don’t identify themselves as a proxy when making requests. They also sporadically change the IP address they use for requests. That’s what allows high anonymity proxies to give you the most privacy online.
The TOR browser uses this type of proxy.
This is useful when you want to get around specific content restrictions. It’s like you get to choose the IP address you want the proxy to use.
Residential proxies are proxies that use real IP addresses. That means they are the addresses of real computers. These are the best types of proxies to use because they look like regular clients to servers.
These are kind of the opposite of residential proxies. An advantage to this kind of proxy is their speed. Usually, cloud service providers have incredible internet connections that give you speeds you couldn’t get otherwise.
These are the most insecure, unreliable proxies available. They can go down at any moment and many are set up by hackers to steal data. The only reason people still use them is that they are free.
A private proxy can be transparent or have high anonymity, similar to some of the others above like the residential or data center proxy. This proxy type has more to do with who can connect to it than how it handles your requests.
A dedicated proxy is like a specific type of private proxy. It just means that the proxy can’t be shared by multiple clients at the same time. So only one client can connect and send requests.
This helps prevent the IP address of the proxy from getting banned by different websites and services.
These are some of the cheapest proxies available and they work similarly to shared servers. Clients pool together and split the cost of the proxy and they can all access it at the same time. Shared proxies have a more complex architecture because they handle a lot of requests at the same time.
Rotating proxies work a little differently from the others. Every time a client connects to the proxy, a new IP address is created for it. So they never use the same IP address more than once.
In SSL proxy you get even more security because all of your requests through the proxy are encrypted. Most proxies should be using this by default, but there is still a chance you’ll run into some that use HTTP.
Reverse proxies are completely different from everything we’ve covered so far. A reverse proxy hides the IP address of a server you’re trying to send a request to. When a server needs security and privacy from clients, that’s when these types of proxies come in.