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Which VPN Protocol provides the best security?

A virtual private network helps users to protect their privacy and data whenever their users use the internet. VPN creates a tunnel between a user and the internet that allows users to send and receive data securely. But have you ever wondered how a VPN does all this? Well for doing this, a VPN uses various protocols. In this article, we are going to know about these protocols along with knowing what VPN protocols are the best.

What is VPN Protocol?

A VPN transmits the user’s online traffic via encrypted tunnels to a VPN server. A VPN protocol is a set of rules that determine how your data is routed through these encrypted tunnels. VPN service providers rely on VPN protocols to ensure stable and secure VPN client-VPN server connection.

Types of VPN Protocol & Which VPN Protocol provides the best security?

There are various kinds of VPN protocols available and each VPN service uses them according to their preference. But out of all of them, there are 5 major protocols that you may find with almost every top VPN service provider. Below are all five major VPN Protocols are outlined:

  1. OpenVPN
  2. PPTP
  3. IKEv2
  4. SSTP
  5. L2TP/IPSec

These are the 5 top VPN protocols that are widely used in this industry. Below we have discussed all of them in detail to see which VPN protocol provides the best security and suits best to out requirements.


OpenVPN is one of the most commonly used VPN Protocols due to its flexibility and security. It is also one of the most secured VPN protocols and is used by top-rated VPNs like ExpressVPN or CyberGhost. For knowing more, you can look at the detailed CyberGhost vs ExpressVPN comparison. It delivers a perfects balance between security, speed, and reliability. Most of the VPN service providers use it by their default VPN Protocol.

The user’s traffic which goes through OpenVPN connection is hard to differentiate between as HTTPS over SSL connection. Its ability to hide your data makes it hard to hack and even more difficult to block. Also, it helps users to get access to geo-restricted content as well as foreign libraries.

Pros & Cons of OpenVPN

Pros Cons
Open-source & vetted by their-parties The setup process can be tricky for non-technical
Able to bypass most firewalls Depends on third-party software
High-level security Weak support and functionality for mobile
Customizable configuration Quite expensive in nature and work with limited devices
Supports a variety of cryptic algorithms


PPTP is also known as Point-to-Point Tunneling Protocol and is one of the oldest VPN protocols. It was developed by Microsoft in the mid-90s and it was integrated into Windows 95. 

It is one of the outdated VPN protocols and as technology is getting advanced, the basic encryption method used in PPTP can be easily beat by hackers and snoopers. However, PPTP protocol can be used in office buildings having older infrastructure that wants to protect their data internally or devices running on older Windows operating systems. Also, PPTP offers fast speed but weak in terms of security. If you are really concerned about your privacy and data security, we wouldn’t recommend you use this VPN protocol.

Pros & Cons of PPTP

Pros Cons
Fast Speed Security issues
Already Built-in in most platforms Compromised by NSA
Easy configuration and setting up Can be blocked by firewalls
Great for streaming services


IKEv2 was developed by Microsoft and Circo in a joint project. Although IKEv2 is not technically a VPN Protocol it behaves likes one and helps users to control IPSec key exchange. It works really well on mobile devices and has the ability to reconnect the internet connection in case you lose. The connection drop occurs due to switching internet connection and IKEv2 is really useful in such situations.

IKEv2 ensures to keep your VPN connection up, even if your internet connection drops that ensures the prevention of data leakage. It provides high performance along with a stable and secure connection. The core focus of IKEv2 is mobile users who are looking for a VPN protocol with private connections with data security & Speed.

Pros & Cons of IKEv2

Pros Cons
Good Security features & Supports a wide range of encryption protocols Can be blocked by firewalls
The stable connection even if network connection lost Limited platforms supported
Easy configuration process
One of the fastest VPN Protocols


SSTP which stands for Secure Tunneling Protocol was developed by Microsoft and was introduced in Windows Vista. However, it also works on Linux, SEIL, and RouterOS but it is mainly known as Windows-specific technology. The SSTP technology is configured with AES encryption that’s it is secure and offers better options than PPTP protocol. To prevent any NAT firewall issues and blocking, it uses SSL v3 which is similar to OpenVPN.

SSTP was built to use it for remote access that’s why it has a tendency t struggle with site-to-site VPN access. As a part of the Windows operating system, it’s is fully integrated and easy to use. That lets SSTP users enjoy Microsoft support.

Pros & Cons of SSTP

Pros Cons
Able to bypass most firewalls Entirely owned and maintained by Microsoft Corporation
Hige-level security & Easy to use Hasn’t been audited by an independent third-party
Integrated into Windows platforms with Microsoft support Only works well on Windows platforms
Supports a wide range of cryptic algorithms


L2TP is the last on our list and was also developed by Microsoft and Cisco in the 1990s. It is also used TunnelBear and NordVPN. You can also read the comparison between TunnelBear vs NordVPN for knowing more. This VPN protocol doesn’t offer any encryption or protection from the traffic that passes through the connection. For this reason, L2TP is usually paired with IPsec because it is an encryption protocol. It is commonly used to access the internet through VPN when the user is concerned about security and privacy.

L2TP supports AES-256 encryption algorithms that is one of the most secure encryption types. However, users often feel lower performance. This protocol type is built into most of the desktop and mobile operating systems and that makes it easier to implement.

Pros & Cons L2TP/IPsec

Pros Cons
In-built in almost all devices and operating system Can be blocked by firewall
Easy set-up process Due to double encapsulation, it doesn’t have the fastest speed
High-level security
Support multithreading for improved performance


As a user, you can’t go with the wrong VPN protocol while using the internet. Before choosing a VPN protocol, you need to take special note of a list of features that are being offered by many VPN protocols and choose the one that suits your requirements. We hope, now you know which VPN protocol provides the best security for user’s privacy as well as data security and you’ll be able to choose a VPN protocol to fulfill all your requirements.

Author Bio-

Natalia Hill writes content, Our team is best known for writing and developing enticing content that makes them an avid reader. I have been a successful writer for the past four years we are writing on video software, web hosting, VPN, and several other topics that contribute knowledge on leading blogging sites.

Author Bio:   

Jaxson Baker Hill writes content, Our team is best known for writing and developing enticing content that makes them an avid reader. I have been a successful writer for the past four years we are writing on video software, Webhosting, VPN, and several other topics that contribute knowledge on leading blogging sites.

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