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WireGuard is an open-source VPN protocol that offers superior speeds, simplicity, and security. VPNs rely on VPN protocols, which are sets of rules governing communication and how data moves between our devices and a network's servers. Until recently, VPNs relied on older, slower, and less secure protocols based on outdated cryptography. The WireGuard protocol is changing that: making headlines, winning fans, and positioning to dominate the market.
Today, virtual private networks (VPNs) have taken off, gaining popularity with those looking for extra security, privacy, and flexibility. So, it's important you know which is the best VPN protocol to use.
WireGuard is a new, open-source VPN protocol designed with state-of-the-art cryptography, which is the practice of coding sensitive information so only the intended recipients can interpret its meaning. It provides faster, easier-to-use, and more secure pathways for user devices to connect with VPN servers worldwide.
Developer Jason A. Donenfeld created the WireGuard protocol in 2015, specifically for the Linux kernel. The WireGuard protocol is currently available across desktop or mobile applications for Windows, macOS, Android, and iOS deployments.
Many view WireGuard's VPN protocol as the long-awaited next-gen solution capable of replacing the older, slower, less secure protocols like OpenVPN with its outdated 2001 cryptography.
WireGuard's VPN protocol is undoubtedly making a splash and collecting fans in the VPN universe for several legitimate reasons. The advantages you can expect from WireGuard's VPN protocol include the following:
If you need speed, then WireGuard could become your go-to VPN protocol. WireGuard is faster than older VPN protocols for a few reasons — starting with the fact that the protocol's components reside within the Linux kernel, which allows for faster speeds. Also, WireGuard only supports User Datagram Protocol (UDP) and doesn't employ the handshake protocols used by OpenVPN, which can slow down the process due to the need for frequent checks.
Most importantly, advanced cryptography solutions like Curve 25519, ChaCha20, Poly 1305, and BLAKE2s help boost WireGuard's increased rate of speed.
Working with the WireGuard VPN protocol couldn't be easier. Users start by locating the WireGuard application in an online storefront, then follow simple download and installation steps. The WireGuard app is available for most operating systems, such as desktop and mobile devices, for added convenience.
WireGuard keeps it simple by operating with fewer than 4,000 lines of code compared to older protocols that typically use thousands more. Fewer lines of code make the protocol's connection, use, and troubleshooting easier, especially for lower-capacity routers and mobile devices.
Once connected, WireGuard continues to please with reliability. The protocol's fast and seamless connection works across networks while maintaining connectivity under conditions that can often cause other protocols to fail.
The high speeds and data transmission capacity you can expect with the WireGuard VPN protocol is real. And the numbers back it up.
WireGuard transmits more data in megabits per second according to recent testing — up to 20% more than IPSec protocols and significantly more than OpenVPN, which transports only about a quarter of WireGuard's data transmission load.
What does this mean for you? In a given amount of time WireGuard can transmit three times more megabits of data per second than OpenVPN protocols. The end result is your device moving significantly more volume and accomplishing more work in the same amount of time.
WireGuard works quicker than traditional protocols, demonstrating a faster ping time in recent testing. Ping time is the time it takes for data to leave your device, reach a server, and bounce back to your device again. WireGuard’s ping time in milliseconds proved slightly faster than IPSec and roughly three times faster than OpenVPN.
Last on this list, but certainly not last in our minds, is security. WireGuard sets the industry bar high regarding security with the use of state-of-the-art cryptography. Today’s next-gen cryptography solutions arrive with advanced default security settings, providing a security boost right out of the box.
Also, WireGuard's simplified design translates into more security benefits. The protocol's simple, less-is-more configuration presents a smaller attack surface for cybercriminals to target and fewer lines of code come with fewer bugs and potential vulnerabilities.
Find out how a VPN secures your personal info, as well as the most secure encryption keys in our VPN encryption guide.
WireGuard prioritizes speed, ease of use, and network security, but, some might say, at the expense of privacy. WireGuard does lack some standard features and practices many other protocols offer to enhance user privacy protection, such as:
WireGuard works best with Linux but does support other platforms. Unfortunately, most platforms (besides some Linux models) will require added software to operate WireGuard, and currently some VPNs don't offer the protocol as an option for some devices. We recommend checking that the VPN providers you choose offer WireGuard for your device.
WireGuard has a widening fan base, and most view it as a significant upgrade over the many other VPN protocols that still rely on outdated technology and design.
But is WireGuard the best VPN protocol today?
Like many questions, it boils down to the priorities of those you ask.
While the WireGuard VPN protocol certainly could be a top choice for the lovers of speed and ease, it's not the top choice for users prioritizing online privacy, where it falls short. However, WireGuard is still a very secure protocol if you're looking for data security.
WireGuard is generally considered one of the safest protocols today with its simple design, less code, and fewer possible bugs. This, coupled with its faster, state-of-the-art cryptography running within the Linux kernel, delivers a very easy-to-use VPN protocol that's tough to beat for speed, volume, and safety.
Both protocols are open-source, have relatively few vulnerabilities, and need additional configuration files to install on most devices.
The similarities end there, as WireGuard's advanced cryptography transfers more data faster, which becomes more evident when handling larger data downloads. Also, WireGuard allows your computer battery a longer life, where OpenVPN seems to consistently drain computer batteries faster.
Again, the WireGuard protocol proves superior by transferring more data at a consistently quicker speed than the IPSec protocol. There is a notable exception: IKEv2 switches between Wi-Fi and mobile networks easily, which makes it a great option for cell phones.
An important note for those not wanting to download extra software: Remember that most devices support IPSec protocols by default, while almost every device will require you to download additional software to install and operate WireGuard.
As WireGuard becomes more popular, more mainstream VPNs are beginning to offer the protocol. If you have a favorite VPN provider, there's a strong possibility they already offer WireGuard's VPN protocol or will very soon.
One of the most popular VPN services, NordVPN, was the first of the larger VPNs to offer WireGuard's protocol. NordVPN thought so highly of WireGuard that it took things further and modified the open-source offering to create NordLynx, its customized protocol that offers a fast VPN connection.
Ultra-secure, high-speed VPN complete with malware protection and automatic blocking of intrusive ads and third-party trackers
Other benefits include a premium password manager, dark web monitoring, and access to IP-restricted content
3 plans to choose from for custom protection on up to 10 devices
Surfshark, another prominent player in the VPN universe known to favor strong security solutions, currently offers WireGuard to connect users with its global fleet of network servers while maintaining fast connection speeds. Pairing Surfshark and WireGuard is an excellent choice for users seeking more internet privacy, as Surfshark provides users with dynamic IP addresses.
All-in-one VPN app with 24/7 protection thanks to 3,200+ servers in 100 countries
Real-time malware defense, webcam protection, alternative ID creation, ad blocking, and more
One subscription covers unlimited devices for your entire household with access to 24/7 support
CyberGhost is a third VPN with an extensive worldwide server fleet that chose to team up with WireGuard in an affiliation beginning back in 2020. WireGuard is currently available on the Windows, macOS, iOS, and Android versions of the CyberGhost VPN app.
High-speed global servers offering industry-leading 256-bit AES encryption and no data logs
Unlimited bandwidth, DNS and IP leak protection, and automatic kill switch available for up to 7 devices
Configurable with your router, smart TV, Amazon Fire TV stick, or gaming console
WireGuard is considered by many to be one of the safest, most secure VPN protocol options available today. Simplified design using less code equals fewer bugs and security vulnerabilities, while WireGuard's faster state-of-the-art cryptography employs superior default security settings.
Common VPN protocols besides WireGuard include:
Yes, WireGuard is a free, open-source software application.
VPNs provide an excellent option for individuals and organizations looking for a safer, more private connection to the internet. Whether transmitting sensitive data, using public Wi-Fi, enjoying entertainment options, or relocating with a remote server, VPNs can be just the ticket to add convenience with an extra layer of security to your internet experience.
Unfortunately, many current VPN protocols are slow, outdated, and not exactly secure. That's where WireGuard comes in. Though not perfect, as many privacy sticklers point out, it undoubtedly provides a significant upgrade with advanced, state-of-the-art cryptography able to transmit more data at faster speeds.
Better yet, odds are the free app will be offered by your favorite VPN sooner rather than later — in fact, most of the best VPNs already offer WireGuard. So get ready to enjoy the next-gen speed, simplicity, and security WireGuard can bring to your VPN experience.
Ultra-secure, high-speed VPN complete with malware protection and automatic blocking of intrusive ads and third-party trackers
Other benefits include a premium password manager, dark web monitoring, and access to IP-restricted content
3 plans to choose from for custom protection on up to 10 devices
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