Čo je to VPN

What is a VPN and why do I need it?

A VPN, or Virtual Private Network, allows you to create a secure connection to another network over the Internet. VPNs can be used to access region-restricted websites, shield your browsing activity from prying eyes on public Wi-Fi, and more. Most operating systems have integrated VPN support.

What is the main purpose of VPN?

A VPN connection establishes a secure connection between you and the internet. Via the VPN, all your data traffic is routed through an encrypted virtual tunnel. This disguises your IP address when you use the internet, making its location invisible to everyone. A VPN connection is also secure against external attacks.

Who invented the VPN?

Gurdeep Singh-Pall

When Was VPN Invented and Who Invented VPN Technology? VPN history starts back in 1996, when a Microsoft employee (most sources say Gurdeep Singh-Pall) started developing the Peer to Peer Tunneling Protocol (PPTP). In 1999, the specification was published. A VPN is created by establishing a virtual point-to-point connection through the use of dedicated circuits or with tunneling protocols over existing networks. A VPN available from the public Internet can provide some of the benefits of a wide area network (WAN). Why was the VPN created? Companies needed a secure and private method to make communication and file-sharing between different offices possible, and to allow employees to access important files remotely without there being any risk of unauthorized users stealing sensitive data. Well, that’s where VPNs came into play.

What does a VPN actually do?

VPNs hide your IP address and physical location while encrypting your internet traffic so that no one can tell who you are, where you are, or what you’re doing online. … VPNs aren’t just for desktops or laptops — you can set up a VPN on your iPhone, iPad, or Android phone, too.

What are VPN technologies?

A virtual private network, or VPN, is an encrypted connection over the Internet from a device to a network. The encrypted connection helps ensure that sensitive data is safely transmitted. It prevents unauthorized people from eavesdropping on the traffic and allows the user to conduct work remotely. What are the three types of VPNs?

The Three Main Types of VPNs

VPNs can be divided into three main categories – remote access, intranet-based site-to-site, and extranet-based site-to-site. Individual users are most likely to encounter remote access VPNs, whereas big businesses often implement site-to-site VPNs for corporate purposes.

What is a VPN and what are its technologies?

A virtual private network (VPN) gives you online privacy and anonymity by creating a private network from a public internet connection. … Most important, VPN services establish secure and encrypted connections to provide greater privacy than even a secured Wi-Fi hotspot.

How many types of VPN technologies are there?

There are two main approaches to VPN functionality: 1) two protocols are used (one protocol to move the data through the tunnel and one protocol to secure that traffic); or 2) one protocol is used for both data transfer and data security. Here are five common VPN protocols and their primary benefits.

What are four types of VPN?

Virtual Private Network (VPN) services fall into four main types: personal VPNs, remote access VPNs, mobile VPNs, and site-to-site VPNs. In this guide, we explain how each of these VPN types work and when to use them.

What is a VPN good for?

A VPN, or virtual private network, is a secure and private network connection through the public internet. VPN services protect your personal data, hide your IP address when you use the internet, and let you bypass censorship, content blocks, and website restrictions.

When should I use a VPN?

VPN use is important for online privacy whenever you’re logging into the internet from a public spot because cyber snoops could track your online activity when you are using public Wi-Fi, whether it’s on your computer or your mobile device.

Is VPN good or bad?

Using a reliable virtual private network (VPN) can be a safe way to browse the internet. VPN security is increasingly being used to prevent data from being snooped on by government agencies and major corporations or to access blocked websites. However, using a free VPN tool can be insecure.

Is it illegal to have a VPN?

Where are VPNs Illegal? While it’s perfectly legal to use a VPN in most of the world, some countries have specific bans or restrictions. Countries with heavily-restricted network access generally don’t want their citizens accessing the open Internet with a VPN.

Should I use VPN all the time?

VPNs offer the best protection available when it comes to your online security. Therefore, you should leave your VPN on at all times to protect from data leaks and cyberattacks.

What are the disadvantages of using VPN?

The 10 biggest VPN disadvantages are:

  • A VPN won’t give you complete anonymity. …
  • Your privacy isn’t always guaranteed. …
  • Using a VPN is illegal in some countries. …
  • A safe, top-quality VPN will cost you money. …
  • VPNs almost always slow your connection speed. …
  • Using a VPN on mobile increases data usage.

Does a VPN drain battery?

Does VPN Drain the Battery on Your Phone? Yes, it does. … Using a VPN on your Android or iOS device can consume anywhere between 5% and 15% more battery than without. Remember that any app running on your phone will impact battery consumption, especially apps that run continuously in the background.

Is a paid VPN worth it?

Krátka odpoveď na túto otázku je áno, investovať do VPN sa oplatí, especially if you value online privacy and encryption while surfing the internet. … VPNs conceal an IP address to make actions on the internet almost untraceable.

This is the ultimate beginner’s guide to VPNs. Find out what is a VPN & how does it work. I’ve tried making it as in-depth (and simple) as possible. VPNs can seem complicated at first, but are actually easy to use. We’re going to demystify them, what they can do for you, why you naozaj should use them, and how they all work under the hood. Plus, we’ll give you some recommendations along the way to help you pick the najlepšia VPN pre vaše potreby.

What type of VPN is WireGuard?

WireGuard is a security-focused virtual private network (VPN) known for its simplicity and ease of use. It uses proven cryptography protocols and algorithms to protect data. Originally developed for the Linux kernel, it is now deployable on Windows, macOS, BSD, iOS and Android.

Ako funguje VPN?

Here’s how a VPN works for you, the user. You start the VPN client (software) from your VPN service. This software encrypts your data, even before your Internet Service Provider or the coffee shop WiFi provider sees it. The data then goes to the VPN, and from the VPN server to your online destination anything from your bank website to a video sharing website to a search engine. The online destination sees your data as coming from the VPN server and its location, and not from your computer and your location.

What does no VPN connection mean?

Without a VPN, your Internet Service Provider (ISP) can see everything you do online, including the sites you visit, applications you use, and files you download. They can’t do this when you’re using a VPN. This also means that others who may be monitoring the network can’t see your activity.

It doesn’t matter if someone sees your data. But if it’s online banking, business email, or anything else that’s a bit more sensitive it’s a different story, especially if you are pomocou bezplatnej VPN alebo jeden z najlacnejších poskytovateľov VPN.

Aká bezpečná je VPN?

Can a VPN be hacked?

A VPN encrypts all of your activity online. VPN encryptions are so strong that it’s nearly impossible to crack. When using a VPN, your IP will be bounced around different locations. The hacker won’t even know your real IP address that’s connected to the network.

Zabezpečenie VPN spôsobuje diskusiu medzi profesionálmi v oblasti IT a ostatnými v priemysle a žiadne dve služby nie sú z hľadiska ponuky alebo zabezpečenia totožné. Existujú dva hlavné faktory:

  • Obmedzenia typu technológie VPN, ktorú používa poskytovateľ.
  • Legal and policy limitations affecting what can be done with that technology. The laws of the country where the server and the company providing the VPN are located and the company’s own policies affect how the company implements this technology in their service.

Is VPN safer than https?

Both HTTPS and VPNs encrypt your information – but a VPN encrypts more of it. HTTPS only encrypts what is sent via a browser to a server and back and only if it’s enabled on the sites you visit. A VPN will encrypt everything (there’s much more communication going on than you’d think!) as long as you keep it on.

What are the VPN protocols?

5 Common VPN Protocols

  • PPTP. Point-to-Point Tunneling Protocol is one of the oldest VPN protocols in existence. …
  • L2TP/IPSec. Layer 2 Tunnel Protocol is a replacement of the PPTP VPN protocol. …
  • OpenVPN. OpenVPN is an open source protocol that allows developers access to its underlying code. …
  • SSTP. …
  • IKEv2.

Which VPN protocol should I use? What is the most secure VPN protocol? Many VPN experts recommend OpenVPN as the most secure protocol. It uses 256-bit encryption as a default but also offers other ciphers such as 3DES (triple data encryption standard), Blowfish, CAST-128, and AES (Advanced Encryption Standard).

What are the different types of VPN and tunneling protocols?

The most common VPN tunneling protocols include PPTP, L2TP/IPsec, OpenVPN and SSTP.

  • PPTP (protokol tunelovania z bodu do bodu). This is one of the oldest protocols in use, originally designed by Microsoft. Pros: works on old computers, is a part of the Windows operating system, and it’s easy to set up. Cons: by today’s standards, it’s barely secure. Avoid a provider if this is the only protocol offered.
  • L2TP / IPsec (tunelový protokol vrstvy 2). This is a combination of PPTP and Cisco’s L2F protocol. The concept of this protocol is sound — it uses keys to establish a secure connection on each end of your data tunnel — but the execution isn’t very safe. The addition of the IPsec protocol improves security a bit, but there are reports of NSA’s alleged ability to break this protocol and see what’s being transmitted. No matter if those are actually true, the fact that there’s a debate at all is perhaps enough to avoid this as well.
  • SSTP (Secure Socket Tunneling Protocol). This is another Microsoft-built protocol. The connection is established with some SSL/TLS encryption (the de facto standard for web encryption these days). SSL’s and TLS’s strength is built on symmetric-key cryptography; a setup in which only the two parties involved in the transfer can decode the data within. Overall, SSTP is a very secure solution.
  • IKEv2 (Internet Key Exchange, Version 2). This is yet another Microsoft-built protocol. It’s an iteration of Microsoft’s previous protocols and a much more secure one at that. It provides you with some of the best security.
  • OpenVPN. This takes what’s best in the above protocols and does away with most of the flaws. It’s based on SSL/TLS and it’s an open source project, which means that it’s constantly being improved by hundreds of developers. It secures the connection by using keys that are known only by the two participating parties on either end of the transmission. Overall, it’s the most versatile and secure protocol out there.

How does VPN encryption work?

VPNs use public-key encryption to protect the transfer of AES keys. The server uses the public key of the VPN client to encrypt the key and then sends it to the client. The client program on your computer than decrypts that message using its own private key.

The encrypted data is only readable by someone with the original key used to encrypt the data. Modern encryption algorithms work on this principle, with the second step being very complex and worthy of doctoral- level research. What you need to look for is your data being encrypted with the AES algorithm of at least 128 bits.

Many of the top VPNs out there go a step above that and offer AES-256 encryption, including NordVPN (review), Surfshark (review) and ExpressVPN (review). Your VPN can be super secure, but it all comes down to the connection protocol the encryption mechanism used to handle your information.

All good VPN companies will do everything they can to protect your data, your privacy, and your overall security on the web. Keep in mind that they’re still subject to the law in the jurisdiction they’re in, which can affect their service. Depending on the local law of the country where the VPN was established, the company may be forced by court order to share whatever records they have regarding your activity — and there can be international agreements between countries to share information in these cases.

In a word, yes. But not always. First off, VPN as a concept is somewhat new in “legal years,” so not all jurisdictions have managed to keep up. This means that the rules are murky and can be interpreted in many ways. In overall, VPNs seem to be okay to use in most countries, especially in the US, Canada, the UK, the rest of Western Europe. (Important! What matters here is your physical location when using the VPN.)

Can you be tracked if you use a VPN?

No, your web traffic and IP address can’t be tracked anymore. The VPN encrypts your data and hides your IP address by routing your connection requests through a VPN server. If anyone tries to track them, they’ll just see the VPN server’s IP address and complete gibberish.

  • Generally, VPNs are often not okay in China, Turkey, Iraq, United Arab Emirates, Belarus, Oman, Russia, Iran, North Korea, and Turkmenistan. To learn more about the legality of VPN in your country, find the laws of your local government.

Does a VPN give you anonymity?

A virtual private network (VPN) gives you online privacy and anonymity by creating a private network from a public internet connection. VPNs mask your internet protocol (IP) address so your online actions are virtually untraceable.

Preskúmajte nasledujúce informácie, ktoré vám pomôžu určiť mieru vašej anonymity.

Not every VPN will protect you the same. If you make your choice wisely, you can address the concerns described above. Here’s our comparison of the top VPNs in the market to help you out.

What are VPN logging policies?

Depending on its logging policy, your VPN provider could monitor and store your IP address, choice of server location, and even the websites you visit. In short, there are dozens of sensitive logs that a VPN might collect and share if obliged to do so.

Does VPN log activity?

X-VPN also collects anonymous aggregated data of the sites visited via its servers, however none of these can be attributed to a specific user. Most importantly X-VPN doesn’t store user IP addresses. This logging policy should satisfy most users, but read our Private Internet Access review for a top-rated no-logs VPN.

Akékoľvek také protokoly vás robia o niečo menej anonymným, pretože vaša IP môže byť pripojená k danej relácii prehliadania, ktorú ste mali. Samozrejme, viazať to na seba osobne je veľmi ťažké, ale stále je to možné, ak je nejaká agentúra dostatočne premyslená.

Where did VPN come from? VPN history starts back in 1996, when a Microsoft employee (most sources say Gurdeep Singh-Pall) started developing the Peer to Peer Tunneling Protocol (PPTP). In 1999, the specification was published. Over time, VPNs and the concept behind this technology have changed drastically.

ako funguje vpn

How A VPN Works for Torrenting?

In general, yes, but that depends on the specific service you’re using and also the kind of things that you are torrenting. Torrenting is a common name for a specific protokol slúži na prenos údajov a súborov cez web, ale nie na skutočný prenos typy of files. Although it gets a lot of bad press overall, it is perfectly okay and legal if you’re transferring files that you have the rights to. Piracy, on the other hand, is completely illegal regardless of the tools that you use to do it. Want to know more? Then read our VPN’s for torrenting guide.

How VPN’s Work to Watch Netflix and Hulu?

Yes. But like with most things on this list, it all comes down to the specific VPN that you use. The problem with Netflix overall is that even though it’s now available in over 130 countries, not all shows are distributed equally. Due to complicated licensing agreements that were established before Netflix’s big international rollout, various TV stations retain the rights to even some of Netflix’s own shows, which effectively prevents Netflix from legally making those shows available on their platform. Want to know more? Then read our guide with the top Netflix VPN’s.

Funguje VPN na Kodi / SmartTV?

Vaše inteligentné televízory a boxy Kodi sú ešte ďalšie veci, ktoré si vyžadujú živé pripojenie na internet, aby vám mohli poskytnúť ich dobroty. A s tým a Poskytovateľ VPN Kodi can help you keep those streams private so that only you and the service itself know what you’re watching.

Existujú dva spôsoby, ako môžete povoliť pripojenie VPN na inteligentnej televízii:

  • Nakonfigurujte si ho na samotnom zariadení,
  • Configure it right on your router – effectively protect your whole home network and everything that’s connected to it (we will cover this in the next section below).

How A VPN Works On My Router?

Hlavnou výhodou konfigurácie smerovača na používanie siete VPN je, že všetky zariadenia vo vašej sieti - od inteligentnej chladničky po telefóny -sú chránené za sieťou VPN. ... Smerovaním všetkých týchto zariadení prostredníctvom siete VPN zo smerovača nebude poskytovateľ internetových služieb ani žiadna iná entita na webe vidieť prenos, ktorý tieto zariadenia generujú.

What Is Kill Switch functionality

How do I turn on VPN kill switch?

You can also enable the native Kill Switch feature for Android 7 or later by going to Settings -> Wireless and networks -> More -> VPN. NordVPN’s Kill Switch won’t be automatically activated when you download the app. You need to go to the app settings to turn it on.

A kill switch is a feature that automatically kills your internet access if the encrypted, safe connection should ever drop. If there’s any connectivity issue at all, the kill switch will trigger and block all activity until the secure connection returns.

What is IP leak protection?

An IP leak is basically caused by a VPN provider that does not have the technology to provide sufficient protection against general leaks and does not provide a Kill Switch for the “dropped connection” leak. Hotspot Shield provides the latest technology to protect you from these leaks.

Kedy použiť VPN

Existuje niekoľko dobrých dôvodov na použitie VPN:

  • Šifruje vašu aktivitu na webe.
  • Skryje vašu aktivitu pred každým, koho by to mohlo zaujímať.
  • Skryje vašu polohu a umožní vám prístup k geograficky blokovanému obsahu (napr. Na Netflixe a iných stránkach).
  • Zvyšuje vašu anonymitu na webe.
  • Pomáha vám chrániť pripojenie pri použití verejného hotspotu WiFi.
  • Overall, use a VPN if your web privacy, security, and anonymity are important to you. Roughly $3-5 a month is a small price to pay for all of that.

When Not to Use a VPN

As predictable as this may sound, we really see no good reason not to use a VPN if you’re taking your online security and privacy seriously. VPNs are incredibly useful as ďalšia vrstva zabezpečenia on top of SSL protocols on websites, having a good antivirus program, not downloading shady software, not sharing too much private information on social media, and so on. Overall, they’re your next step towards using the web more consciously and with sufficient precautions set up.


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