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Home Security

Which VPN Protocol Is Best For Your Online Security Needs?

Robbie Baskins by Robbie Baskins
April 5, 2023
in Security
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VPN is the ultimate solution to preserve your security and anonymity on the internet. VPN uses a set of rules, known as protocols, that enables a secure connection between your device and the VPN server. There are multiple protocols available and your choice of a protocol reflects the speed and security of your network.

The choice of the protocol also depends on the VPN you opt for. Some VPNs let you choose between different protocols, others do not offer a choice at all. Every protocol has its own strengths and weaknesses, so all VPN users must understand the working of different protocols to evaluate if it best serves their security needs.

Common VPN Protocols 

You’ve chosen a protocol and now, you may have forgotten about it. Why not? Your VPN works fine so you don’t bother knowing about other VPNs. However, experts say that the protocol a VPN leverages affects the performance, latency, and reliability of the encrypted tunnel. 

Not all protocols are the same so VPN users must know the difference. So here, let’s take a closer look at all common VPN users and how their adoption will impact your web experience. 

PPTP

Point-to-Point Tunneling Protocol (PPTP) is the oldest known encryption protocol. This common protocol is easy to set up and is faster than many other protocols. However, this outdated protocol encrypts data with the MPPE cipher which is highly vulnerable to attacks. 

Low encryption does facilitate high speed which can satiate your Netflix Binge watching needs but has an extremely low level of security. Therefore, think twice before opting for this protocol.

IKEv2/IPsec

It is the newest protocol that enjoys significant popularity among mobile users. The reason is that this protocol allows an automatic reconnection if a network is interrupted. The virtual seamless switching between mobile data and Wi-Fi is possible with this protocol. 

Additionally, IKEv2 supports advanced cipher functions. Users can leverage 3DES and AES for encryption as safe methods. Unfortunately, the advanced added security takes a toll on the overall speed of this protocol. 

L2TP/IPsec 

Layer 2 Tunneling Protocol has no encryption so it is combined with Internet Protocol Security (IPSec) which in turn features a 256-bit AES variant. L2TP protocol creates tunnels, handles authentication, and ensures end-to-end security by coupling with IPsec. It offers a double encapsulation feature that wraps your data into two layers of encryption. 

However, this significantly slows down the speed, making it unsuitable for gaming and torrent downloads. Another associated drawback with this protocol is that if a VPN uses pre-shared keys that can easily be downloaded online, the attackers can falsify your credentials and cause man–in–the–middle attacks.

SSTP

Secure Socket Tunneling Protocol (SSTP) is a proprietary protocol of Microsoft that uses SSL/TLS encryption standards. It is one of the secure tunneling protocols as it transports traffic through SSL which makes it an ideal protocol if you want to bypass censorship. 

Given that, SSTP is a closed-source protocol and considering Microsoft’s past cooperation with NSA, we can assume its susceptibility to NSA surveillance. Additionally, the protocol works best for Windows users only. However, it does offer some functionality to Linux and Android as well.

OpenVPN

OpenVPN is the most recommended protocol that offers a high level of security and configurability. Its encryption and authentication processes rely on TLS (Transport Layer Security) methodologies. The protocol can be used both on TCP and UDP ports while supporting a large number of ciphers and encryption algorithms.

Another great feature of OpenVPN is that it is open-source so specialists can identify security gaps in the system. Of course, it also has some drawbacks. For instance, its source code is stuffed with so many extra codes that it is bulky to install as well as slows down the speed. However, its cutting-edge security is a compelling reason to choose the OpenVPN protocol.

WireGuard

WireGuard is a recent addition to the world of VPN protocols. The bulky code problem associated with OpenVPN is no longer seen with this protocol. Featuring a light code base and high-level encryption, WireGuard offers unmatched speed and stable connection. It has just 4000 lines of code which makes it easy to implement and patch this protocol.

Moreover, it is an open-source protocol and is continuously being reviewed to add improvements. That’s why NordLayer is using Nordlynx, which is built around WireGuard to ensure the security and privacy of users. WireGuard has no known security flaws so far, but considering the fact that it is relatively new, we may witness any vulnerabilities in the long run.

VPN Protocols Comparison- At A Glance

VPN Protocol Pros Cons
PPTP Fast

Easy to set up

Suitable for old devices

Ideal for streaming

Least Secure Protocol
L2TP/IPsec More secure than PPTP

High encryption with double encapsulation

Slower than OpenVPN

Prone to man-in-the-middle attacks

IKEv2/IPSec Suitable for mobile devices

Secure than L2TP/IPSec

Less speed than PPTP

Less secure than OpenVPN and WireGuard

SSTP Highly secure 

Can bypass firewalls

Mostly works for Windows users only
OpenVPN Secure, fast, industry-standard

Suitable for all VPN users

Open source

Heavy source code
WireGuard Light code base

Faster and more secure than OpenVPN

Open source

Still relatively new

Best VPN protocols for different use cases

Based on the above comparison, it would be tempting to call WireGuard or OpenVPN the best VPNs. However, the reality is not as straightforward because not every device will support all the tunneling protocols, especially if you are using a VPN without a VPN app.

Therefore, you should know which protocol suits which scenario.

Streaming

If your goal is to watch a season on Hotstar, you won’t have to bother about the police knowing about your activity. Therefore, you should opt for a protocol that focuses more on speed, rather than security. WireGuard/NordLynx, OpenVPN in UDP mode, IKEv2, and even PPTP are decent choices.

Torrenting

If you want to download a file on torrent, you should take both speed and security into account as your IP is out due to the transparency of BitTorrent. This makes you a target of copyright holders as well as cyber attackers. Therefore, you should opt for P2P networks that guarantee the security of your web as well as offer high speed, such as OpenVPN in UDP mode and WireGuard.

Gaming

The VPN for gaming is focused on slowing down the ping. When you use fast tunneling [protocols such as WireGuard or IKEv2 and connect to the nearest server, your gaming experience is enhanced due to less latency.

Privacy

When privacy is your utmost preference, seek no other than the safest possible VPN protocols, such as OpenVPN and WireGuard as well as use VPNs that offer a “stealth mode” when bypassing firewalls.

Final Words

The choice of your VPN protocol significantly impacts your web experience. Therefore, you should consider the speed and security level of different protocols before opting for a VPN protocol. Moreover, you should opt for a VPN that supports advanced protocols such as WireGuard or OpenVPN.

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Robbie Baskins

Robbie Baskins

Robbie is a hardcore gamer, traveler and a bookworm. His weekends are filled with action-packed shows, books, and long sessions of Fortnite with his friends. On weekdays his alter ego takes over and he becomes a tech-savvy exquisitely sharing his knowledge of tech trends and the latest gadgets.

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