How Do Proxies Work?

Server Crush

How Do Proxies Work?

While some specific
proxies types are made possible thanks to emerging tech, in general, proxies
are not a new invention. You can see proxies mentioned all over the web. Some
emphasize their usefulness in terms of getting access to geo-blocked content, while
others praise them as a go-to business solution.


we get into any specifics about how proxies work, their use cases and types,
and how to configure the Firefox proxy setting, let’s first define what a web
proxy is.

Definition of a web proxy

A web proxy is a term
used to describe a remote server that acts as an intermediary between you and
the rest of the world wide web. Simply put, it’s a gateway your entire outgoing
and incoming traffic goes through.


instance, when you type an address in your browser and hit enter, you won’t be
making a direct request from the web server. Instead, your proxy server will do
it for you and forward you the data packets the web server returns.

What web proxies do

Besides being a
gateway, a web proxy can do a lot of different things. It all depends on how
it’s configured. In general, a proxy can provide quite a wide range of
functionalities. It can enhance your security and online privacy by allowing
you to mask your real IP address.


Since proxy enables
users to access the internet from a different IP, they can serve as a geo-block
bypass. With a proxy, users can access otherwise geo-locked web content.


can set proxies to provide their users complete control over internet usage.
Users can whitelist and blacklist certain websites, online apps, and various
services. Among other things, proxies can also cache online data to improve
browning speeds and overall network performance in a company.

Types of web proxies

are various types of proxies depending on what tech they are built on what
functionalities they offer. Here are the most common type of proxies you should
know about:

Residential proxies – these proxies have a
real residential IP address often used for web scraping operations as they
appear like real human users.

SOCKS5 proxies these proxies use the SOCKS5 protocol and are often used for
bandwidth-heavy tasks.

Private proxies these proxies are dedicated to only one user, which is why their
other name is dedicated proxies. They deliver high performance and complete

Shared proxies unlike private, shared proxies are used by multiple users. They
are more affordable but also expose users to some specific risks.

HTTP proxies you can set up these proxies to serve as HTTP servers or clients.
They have multiple uses, such as content caching and filtering.

Rotating proxies these proxies are great for preventing being blacklisted or banned
since they assign a different IP address for every connection.

How are proxies used in business

have found different use cases in business running from improving online
security to streamlining web scraping operations.

Privacy and security

Businesses use proxy
to enhance privacy and security for employees when browsing the internet.
Setting up a proxy in a web browser is really easy. Here’s Firefox’s proxy
setting as an example.


Step 1 – Access network settings


To access network
settings in Firefox, open the menu and click on Options.


Then, scroll down to
“Network Settings” and click the “Settings” button.


Step 2: Choose a relevant firefox proxy setting


As you can see, the
default Firefox proxy setting is “Use system proxy settings”. It tells Firefox
to use the proxy configured in your system settings.


you want to configure Firefox proxy settings manually, click on
“Manual proxy configuration” and type in the information your proxy provider
gave you.

Traffic control and bandwidth savings

Organizations often
leverage proxies to minimize operations costs. Bandwidth savings are easy to
achieve with proxy. An organization can identify the websites and online
services their employees use on a day-to-day basis and configure the proxy to
cache them.


use proxies to restrict access to certain websites, thus improving efficiency
and productivity. Proxies also enable companies to log the entire traffic and
be able to spot some discrepancies easily.

Web scraping

Finally, web scraping
is another common use case of proxies in the business environment. Web scraping
refers to extracting public data from websites. Many companies rely on it to research competition, discover consumer
sentiment, fuel their competitive pricing strategy, or do a background check on
potential employees and partners.


especially rotating and residential proxies, enable businesses to run web
scraping without the risk of getting interrupted or banned.


Proxies are a simple
solution for many challenges both businesses and individuals face when online.
They can help organizations take full control of the traffic, add a layer of
security, facilitate online privacy, and benefit from web scraping while mitigating
associated risks. Setting up a proxy in a web browser is easy. You can follow
the provided Firefox proxy settings above to set up a proxy in your browser.

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