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Find Proxy Settings on Your Computer (for Local Testing …
You can find the proxy settings applicable to your machine and use them to set up Local Testing connections.
A proxy server sits between your machine and your ISP. In most organizations, proxies are configured
by network admins to filter and/or monitor inbound and outbound web traffic from employee computers.
In this article, we’ll show you how to view proxy settings (if your computer is behind a proxy server).
You can then use the information to set up Local Testing connections with BrowserStack..
Find Proxy Settings in Windows
In most cases, browsers will use proxy settings that are set on the computer. However, each browser has a
settings page to configure proxy settings as well.
There are two ways to find proxy settings in Windows: via the Settings app (Windows 10 only) or via the
Using the Settings App (Windows 10) to find proxy settings
Click on Start, then click on the gear icon (Settings) at the far left.
In the Windows Settings menu, click on Network & Internet.
In the left pane, click on Proxy.
Here you have all the settings that are related to setting up a proxy in Windows. It’s split into
two configurations: Automatic or Manual proxy setup.
Using the configuration details to set up Local Testing connection:
If “Use setup script“ is enabled, it means that you have configured PAC proxy on your system. You
can obtain the path to PAC file from the “Script Address“ section.
Note: To set up a Local Testing connection using the PAC file, you need to ensure that the PAC file is stored on your computer and path needs to an absolute path to that file.
If “Manual proxy setup” is enabled, you can simply obtain Proxy Host and Port from the “Address“
and “Port“ section.
For Local Testing to work correctly, you need to bypass the traffic for – – from your
proxy. You can do this by adding an entry in the Proxy Exception> text field in the
“Manual proxy setup” section.
Using Control Panel (all Windows versions) to find proxy settings
In any Windows version, you can find the proxy settings via the Control Panel on your computer.
Click on Start and open the Control Panel. Then click on
In the Internet Options, go to Connections > LAN settings.
Here you have all the settings that are related to setting up a proxy in Windows. It’s basically
split into two configurations: either Automatic configuration or
Proxy Server setup.
If “Use automatic configuration script“ iis checked, it means that you have configured PAC proxy
in your system. You can obtain the path to PAC file from the “Script Address“ section.
If “Use a proxy server for your LAN” is checked, you can obtain Proxy Host and Port from the
“Address“ and “Port“ section.
proxy. You can do this by clicking the “Advanced“ button and adding an entry in the
“Do not use proxy server for addresses beginning with:“ text field.
Find Proxy Settings in OS X
On OS X, you have to view the proxy settings in System Preferences. This is where most browsers check automatically. However, each browser has a settings page to configure proxy settings as well.
Open System Preferences and click on Network.
On the left-hand side, click on an active network connection. Note that you can have different proxy settings for different network connections. Click on the Advanced button on the bottom right.
Click on the Proxies tab and you’ll see a list of proxy protocols you can configure.
If “Automatic Proxy Configuration“ is checked, it means that you have configured PAC proxy in your system. You can obtain the path to PAC file from the “Script Address“ section.
If “Web Proxy (HTTP)” or “Secure Web Proxy (HTTPS)“ is checked, you can simply obtain Proxy Host, Port, Username, and Password.
For Local Testing to work correctly, you need to bypass the traffic for – – from your proxy. You can do this by adding an entry in the ”Bypass proxy settings for these Hosts & Domains” text field.
Connection duration and disconnection
In Linux, finding your proxy settings will depend on what distribution you are running. Mostly, the procedure would be similar for the various distributions.
On Ubuntu, open on System Settings from the launcher and scroll down to Hardware. Click on Network.
Click on Network Proxy, you can choose from Automatic or Manual.
If the “Automatic“ option is selected, it means that you have configured PAC proxy in your system. You can obtain the path to PAC file from the “Configuration URL“ section.
If the “Manual“ option is selected, you can simply obtain Proxy Host and Port from the appropriate section.
For Local Testing to work correctly, you need to bypass the traffic for – – from your proxy. You can do this by using the command-line interface as follows:
To change proxy exceptions, use ‘set’ option with ‘gsettings’ command as follows.
$ gsettings set ignore-hosts “[‘localhost’, ”, ‘::1’]”
If access to the above sections is restricted on your computer, you can seek help from your IT/Network Team to gather this information.
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How To Check the Proxy Server Settings on Your Computer
If you feel your Internet connection is slower than what it should be or you notice that certain websites get blocked while browsing, it could be because all your Internet traffic is going through a proxy server.
A proxy server is basically just another computer that sits between you and your ISP. It’s usually configured in corporate environments to filter web traffic going to and from employee computers. In this article, I’ll show you how you can check your proxy settings to see if your computer is indeed using a proxy server or not.
In most cases, you won’t actually be able to turn off the proxy server, since it is controlled by an administrator. However, there are times when personal computers accidentally or maliciously get set to use a proxy server.
Check Proxy Settings in Windows
In Windows, most browsers will use the proxy settings that are set on the computer. Each browser has a settings page to adjust proxy settings, but they normally just link to the settings dialog in Windows itself.
In Windows 10, there are two ways to go about changing the settings: via the Settings app or via the traditional Control Panel. I’ll mention both methods here because the Control Panel method is what you’ll need to use for Windows 7, 8 or Windows Vista.
Windows 10 Settings App
Click on Start and then click on the gear icon (Settings) at the far left. In Settings, click on Network & Internet.
In the left-hand pane, click on Proxy at the very bottom.
Here you have all the settings that are related to setting up a proxy in Windows. It’s basically split into two configurations: either Automatic or Manual proxy setup. In 99% of the cases, everything should be set to Off. If anything is turned on, your web traffic could be going through a proxy.
If you’re using an older version of Windows or if you just like the old way, you can edit the same settings via the Control Panel. Note that whichever way you choose to edit the settings, there are only one set of proxy settings in Windows.
Once you open Control Panel, just click on Internet Options.
In the Internet Options dialog, go ahead and click on the Connections tab and then click on LAN settings at the bottom.
Here you will see all the same settings as in the Settings app shown above. Anything you configure here will show up there and vice versa.
Check Proxy Settings in Mac OS X
If you are using a Mac with OS X, then the procedure is similar. You have to change the proxy settings in System Preferences as this is where most browsers check automatically.
Open System Preferences and click on Network. On the left-hand side, make sure to select the connected or active network connection. You can have different proxy settings for each type of network connection.
At the bottom, click on the Advanced button. Click on the Proxies tab and you’ll see a bunch of different protocols you can configure.
For example, if you click on Web Proxy (HTTP), you’ll be able to enter the proxy server IP address, port number, username and password.
Check Proxy Settings in Linux
In Linux, it really depends on what distribution you are running. Mostly, though, it’s going to be some version of KDE or GNOME. For example, in Linux Mint Cinnamon, which is based heavily on GNOME, you would click on the button and then click on System Settings.
Next, you would scroll down to Hardware and then click on Networking.
Finally, if you click on Network Proxy, you can choose from Automatic or Manual.
This is pretty much the same procedure for Ubuntu also, which uses Unity and GNOME. It’ll be different if you are using a different desktop environment. If you have any questions, feel free to comment. Enjoy!
What is a Proxy Server and How Does it Work? – Varonis
The actual nuts and bolts of how the internet works are not something people often stop to consider. The problem with that is the inherent danger of data security breaches and identity theft that come along with the cute dog pictures, 24-hour news updates, and great deals online.
But what actually happens when you browse the web? You might be using a proxy server at your office, on a Virtual Private Network (VPN) or you could be one of the more tech-savvy who always use a proxy server of some kind or another.
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What’s a Proxy Server?
A proxy server is any machine that translates traffic between networks or protocols. It’s an intermediary server separating end-user clients from the destinations that they browse. Proxy servers provide varying levels of functionality, security, and privacy depending on your use case, needs, or company policy.
If you’re using a proxy server, traffic flows through the proxy server on its way to the address you requested. The request then comes back through that same proxy server (there are exceptions to this rule), and then the proxy server forwards the data received from the website to you.
If that’s all it does, why bother with a proxy server? Why not just go straight from to the website and back?
Modern proxy servers do much more than forward web requests, all in the name of data security and network performance. Proxy servers act as a firewall and web filter, provide shared network connections, and cache data to speed up common requests. A good proxy server keeps users and the internal network protected from the bad stuff that lives out in the wild internet. Lastly, proxy servers can provide a high level of privacy.
How Does a Proxy Server Operate?
Every computer on the internet needs to have a unique Internet Protocol (IP) Address. Think of this IP address as your computer’s street address. Just as the post office knows to deliver your mail to your street address, the internet knows how to send the correct data to the correct computer by the IP address.
A proxy server is basically a computer on the internet with its own IP address that your computer knows. When you send a web request, your request goes to the proxy server first. The proxy server then makes your web request on your behalf, collects the response from the web server, and forwards you the web page data so you can see the page in your browser.
When the proxy server forwards your web requests, it can make changes to the data you send and still get you the information that you expect to see. A proxy server can change your IP address, so the web server doesn’t know exactly where you are in the world. It can encrypt your data, so your data is unreadable in transit. And lastly, a proxy server can block access to certain web pages, based on IP address.
What are Forward Proxies
A forward proxy server sits between the client and an external network. It evaluates the outbound requests and takes action on them before relaying that request to the external resource.
Most proxy services that you’re likely to encounter are forward proxies. Virtual Private Networks and Web content filters are both examples of forward proxies.
What are Reverse Proxies
A reverse proxy server sits between a network and multiple other internal resources. A large website might have dozens of servers that collectively serve requests from a single domain. To accomplish that, client requests would resolve to a machine that would act as a load balancer. The load balancer would then proxy that traffic back to the individual servers.
Some popular open source reverse proxies are:
Why Should You Use a Proxy Server?
There are several reasons organizations and individuals use a proxy server.
To control internet usage of employees and children: Organizations and parents set up proxy servers to control and monitor how their employees or kids use the internet. Most organizations don’t want you looking at specific websites on company time, and they can configure the proxy server to deny access to specific sites, instead redirecting you with a nice note asking you to refrain from looking at said sites on the company network. They can also monitor and log all web requests, so even though they might not block the site, they know how much time you spend cyberloafing.
Bandwidth savings and improved speeds: Organizations can also get better overall network performance with a good proxy server. Proxy servers can cache (save a copy of the website locally) popular websites – so when you ask for, the proxy server will check to see if it has the most recent copy of the site, and then send you the saved copy. What this means is that when hundreds of people hit at the same time from the same proxy server, the proxy server only sends one request to This saves bandwidth for the company and improves the network performance.
Privacy benefits: Individuals and organizations alike use proxy servers to browse the internet more privately. Some proxy servers will change the IP address and other identifying information the web request contains. This means the destination server doesn’t know who actually made the original request, which helps keeps your personal information and browsing habits more private.
Improved security: Proxy servers provide security benefits on top of the privacy benefits. You can configure your proxy server to encrypt your web requests to keep prying eyes from reading your transactions. You can also prevent known malware sites from any access through the proxy server. Additionally, organizations can couple their proxy server with a Virtual Private Network (VPN), so remote users always access the internet through the company proxy. A VPN is a direct connection to the company network that companies provide to external or remote users. By using a VPN, the company can control and verify that their users have access to the resources (email, internal data) they need, while also providing a secure connection for the user to protect the company data.
Get access to blocked resources: Proxy servers allow users to circumvent content restrictions imposed by companies or governments. Is the local sportsball team’s game blacked out online? Log into a proxy server on the other side of the country and watch from there. The proxy server makes it look like you are in California, but you actually live in North Carolina. Several governments around the world closely monitor and restrict access to the internet, and proxy servers offer their citizens access to an uncensored internet.
Now that you have an idea about why organizations and individuals use a proxy server, take a look at the risks below.
Proxy Server Risks
You do need to be cautious when you choose a proxy server: a few common risks can negate any of the potential benefits:
Free proxy server risks
You know the old saying “you get what you pay for? ” Well, using one of the many free proxy server services can be quite risky, even the services using ad-based revenue models.
Free usually means they aren’t investing heavily in backend hardware or encryption. You’ll likely see performance issues and potential data security issues. If you ever find a completely “free” proxy server, tread very carefully. Some of those are just looking to steal your credit card numbers.
Browsing history log
The proxy server has your original IP address and web request information possibly unencrypted, saved locally. Make sure to check if your proxy server logs and saves that data – and what kind of retention or law enforcement cooperation policies they follow.
If you expect to use a proxy server for privacy, but the vendor is just logging and selling your data you might not be receiving the expected value for the service.
If you use a proxy server without encryption, you might as well not use a proxy server. No encryption means you are sending your requests as plain text. Anyone who is listening will be able to pull usernames and passwords and account information really easily. Make sure whatever proxy server you use provides full encryption capability.
Types of Proxy Servers
Not all proxy servers work the same way. It’s important to understand exactly what functionality you’re getting from the proxy server, and ensure that the proxy server meets your use case.
A transparent proxy tells websites that it is a proxy server and it will still pass along your IP address, identifying you to the web server. Businesses, public libraries, and schools often use transparent proxies for content filtering: they’re easy to set up both client and server side.
An anonymous proxy will identify itself as a proxy, but it won’t pass your IP address to the website – this helps prevent identity theft and keep your browsing habits private. They can also prevent a website from serving you targeted marketing content based on your location. For example, if knows you live in Raleigh, NC, they will show you news stories they feel are relevant to Raleigh, NC. Browsing anonymously will prevent a website from using some ad targeting techniques, but is not a 100% guarantee.
A distorting proxy server passes along a false IP address for you while identifying itself as a proxy. This serves similar purposes as the anonymous proxy, but by passing a false IP address, you can appear to be from a different location to get around content restrictions.
High Anonymity proxy
High Anonymity proxy servers periodically change the IP address they present to the web server, making it very difficult to keep track of what traffic belongs to who. High anonymity proxies, like the TOR Network, is the most private and secure way to read the internet.
Proxy servers are a hot item in the news these days with the controversies around Net Neutrality and censorship. By removing net neutrality protections in the United States, Internet Service Providers (ISP) are now able to control your bandwidth and internet traffic. ISPs can potentially tell you what sites you can and cannot see. While there’s a great amount of uncertainty around what is going to happen with Net Neutrality, it’s possible that proxy servers will provide some ability to work around an ISPs restrictions.
Varonis analyzes data from proxy servers to protect you from data breaches and cyber attacks. The addition of proxy data gives more context to better analyze user behavior trends for abnormalities. You can get an alert on that suspicious activity with actionable intelligence to investigate and deal with the incident.
For example, a user accessing GDPR data might not be significant on its own. But if they access GDPR data and then try to upload it to an external website, it could be an exfiltration attempt and potential data breach. Without the context provided by file system monitoring, proxy monitoring, and Varonis threat models, you might see these events in a vacuum and not realize you need to prevent a data breach.
Get a 1:1 demo to see these threat models in action – and see what your proxy data could be telling you.
Frequently Asked Questions about enable proxy settings
What is proxy setting?
A proxy server sits between your machine and your ISP. In most organizations, proxies are configured by network admins to filter and/or monitor inbound and outbound web traffic from employee computers. In this article, we’ll show you how to view proxy settings (if your computer is behind a proxy server).
Should I set proxy on or off?
It’s basically split into two configurations: either Automatic or Manual proxy setup. In 99% of the cases, everything should be set to Off. If anything is turned on, your web traffic could be going through a proxy.Oct 2, 2017
What is the use of proxy settings?
Proxy servers act as a firewall and web filter, provide shared network connections, and cache data to speed up common requests. A good proxy server keeps users and the internal network protected from the bad stuff that lives out in the wild internet. Lastly, proxy servers can provide a high level of privacy.May 7, 2021