Asked about SetupVPN for Android
SetupVPN for Android or VPN stands for Virtual Private Network (virtual private network). It’s a term you may have heard of, especially when there are some privacy factors, such as geography. But that’s what VPNs can do for you, let’s find out.
When you connect to the Internet from your home, you may be using the service from your local telecommunications provider. You will have a modem (or router) and perhaps Wi-Fi. Your computer will connect to the modem via Ethernet, and laptops and smartphones will connect via Wifi. Although the setup may vary, the basic idea is the same.
Even if you are connecting to the Internet using a cellular network data plan, the concepts are the same. The part of the network located in your home, before going to the modem, is your internal network. And behind that modem is the Internet.
Anything related to the Internet, like opening a website, data will go from your computer through internal settings to the phone company. From there, it will be directed to the wild land called the Internet, and finally to the server of the relevant website.
The web server then sends the web page (such as HTML, etc.) back to the Internet, to your telecom operator and finally to the modem and to your computer. When you are loading a web page, this process is repeated dozens of times when the image file is downloaded.
For all this data to move around the Internet, each data block (also known as a packet) needs some address information: like where it is going and where it came from. There are a number of different classes of addresses, depending on where the packet is on the journey, but its highest level is also known as an IP address.
IP address – your position in the digital world
You may have seen them. IP addresses are made up of four numbers smaller than 256 with a dot between them, such as 10.2.18.67 or 126.96.36.199. The IP address is used to guide data back and forth from your computer to the web server.
There are 2 things you need to know about IP addresses, SetupVPN for Android :
- They are visible by all devices that interact with your network traffic.
- Assigned to blocks.
That means your modem, your phone company, the router involved in sending data over the Internet and the web server all need to know your IP address. But because the IP addresses are assigned to data blocks, it also means that information about your phone company and which blocks it owns will be in a large database somewhere.
There are still some other issues, but in summary whenever you connect to the web server, that server will know your IP address as well as your location. The web server will be able to record your IP address to analyze the bandwidth as usual, or it may also record it temporarily and then delete or store it after a month.
However, your IP address is logged anyway.
This is not a very scary problem in many cases. In fact, someone connecting to Facebook will not be a problem with others. But what if you want to read a website about something more sensitive, about a disease or an emotional issue, or about a taboo topic in the country or culture in which we live? That is when privacy becomes more important.
So what if I sit at a cafe near my home and connect to the store’s free Wifi. However, many of these free Wifi hotspots do not have any security layer at all. You have no guarantee that the equipment provided by the cafe will not look at what you are doing.
But worse, another Wi-Fi connection will be able to easily capture data packets being sent over this open and unsecured connection. Detecting the password and viewing the list of websites or services you are using via Wifi is very simple. In addition, there are also fake Wi-Fi access points, which are set up just to steal your information.
So you should never do things like access online banking or PayPal using public WiFi … Never.
But there is still another problem. Some content is locked in certain countries, either for political reasons or for business reasons. An obvious example is that online services such as BBC iPlayer do not broadcast in regions outside the UK. Or streaming movie services like Netflix, YouTube and Amazon Video all have content restrictions for different countries.
So basically, IP addresses are used as an indicator of the location of your data on the Internet, usually these addresses are assigned to your modem through your network service provider. What VPNs do, meanwhile, is that it allows your data to travel over an encrypted connection from your home or smartphone, to another point on the Internet, possibly in another country, and then access it later. Inte access
public rnet. This is like a rabbit crawling into a hole leading to an exit somewhere else.
The result of this encrypted connection will give your data a new IP address assigned to the other end of the tunnel, instead of your home. That means when you connect to a network server, the IP address that the server sees will be the VPN endpoint, not your home IP address. Therefore, if you visit a sensitive site, your IP address and location will not be revealed. Or when traveling, you can also connect to a VPN endpoint in your home country and access the service as if you were at home.
This has another surprising benefit. Some online services charge differently depending on your location. You can buy cheaper things by connecting via a VPN to convince online service providers that you are in the US, not Europe. Not only do you buy things, this is also true when you need to buy flight tickets.
So how to SetupVPN for Android ?
The first thing you need to use a VPN is to find a VPN provider. Once you register, you will have access to login credentials including your personal information (username, password) and a list of servers. Servers will be scattered around the world and you need to choose which server to use, depending on your needs.
Depending on your service provider, you may have to set up a VPN manually or use a program or application on your smartphone. These programs and applications will help you automate the whole process, but you can also set it up manually. However, your service provider will have step-by-step instructions, but basically on Android, you just need to click on the “More” section under Wireless & Networks in Settings, click on VPN and then add new VPN. VPN is not limited to just Android, you can also use it via Windows, OS X, Linux and Chrome OS.
Once you have configured a VPN, you can connect to it on the same VPN page in the Settings section. And now your smartphone will have an encrypted connection to the VPN server in any country you choose. All Internet bandwidth (including DNS domains) will pass through this encrypted channel before connecting to the public Internet. When exiting that channel and going to other addresses, it will provide the VPN server’s IP address instead of your IP address. When the data returns, it will first go straight to the VPN server, then the VPN server will send the data back to you through that encrypted channel.
If you’re still wondering, yes, data will still need to go over Wifi to your router or modem, and then to your network service provider. But now all data is encrypted and it will not be decrypted until it reaches the VPN server. This way your network provider will not be able to see your content, even government agencies or government organizations.
Similarly, if you access via a free public WiFi hotspot, but through a VPN, all your data will now be encrypted. Anyone who tries to steal the password information and the web address you access will only know the encrypted data.
Disadvantages of VPN
VPN is a great solution to the aforementioned privacy issues, but it is not a perfect solution, there are still a few minus points to this solution. Above all is the speed. When you send your data halfway around the world before it heads to the right server, the VPN connection speed will be slower than your normal, non-VPN connection. If the VPN server is overloaded due to too many clients and not enough servers, the connection speed will be interrupted. The same thing happens with server bandwidth.
Secondly, VPN connections can be unexpectedly interrupted (for a lot of unforeseen reasons) and if you don’t realize your VPN is no longer working, you will continue to use the Internet thinking Your privacy is safe, but not really.
Third, the use of VPNs is illegal in some countries, because they help to keep your identity anonymity, privacy and encryption.
Finally, some online services have systems that detect the use of a VPN, and if they think someone is connecting through a VPN, they can block that access. For example, Netflix created a lot of resistance when it came to blocking users from using VPN.
Whenever you use the Internet, your IP address is revealed and may be recorded. The IP address may disclose information about your location. So when you access some sensitive content on the Internet, your network service provider can track you based on your IP address.
Also when using public Wi-Fi hotspots, all your data will be sent unencrypted to the router, meaning that anyone in the area can catch your data and steal things like Password and website you access when connected. In addition, cnhữnge services will be blocked based on your current location.
A VPN provides a way to encrypt the first part of your Internet connection, while also hiding your IP address and location. The result is enhanced privacy and security, plus the ability to unlock restricted content by geographic location. Although it is not always necessary to use a VPN, it is sometimes necessary.