OpenVPN in 2026: The Full Truth After 90 Days

Is OpenVPN Worth It?

★★★★★ 4.3/5

Quick Verdict: OpenVPN is one of the safest VPN protocols you can use today. It’s open source, battle-tested since 2001, and works on almost every device. But manual configuration can be tricky. If you want full control over your virtual private network, OpenVPN is hard to beat.

✅ Best For:

IT teams and businesses that need secure remote access with full control over encryption and VPN server setup

❌ Skip If:

You want a simple consumer VPN app with one-click setup and no manual configuration needed

📊 Downloads	60M+ worldwide	🎯 Best For	Geschäft VPN & remote access
💰 Price	$0 – $7/month	✅ Top Feature	Open source VPN protocol
🎁 Free Plan	Yes, up to 3 connections	⚠️ Limitation	Slower than WireGuard

How I Tested OpenVPN

Need a VPN you can actually trust with your sensitive data?

Most VPN providers promise “military-grade encryption.” But you never see what’s under the hood.

Enter OpenVPN.

It’s the open source VPN protocol that powers most VPN services. And you can run it yourself.

I spent 60 days testing OpenVPN software on real projects. Here’s everything you need to know.

OpenVPN

Secure your business network with the most trusted open source VPN protocol. OpenVPN gives you full control over your VPN connections with enterprise-grade encryption. Free plan available for up to 3 connections.

TRY OPENVPN NOW →

OPENVPN TUTORIAL →

OPENVPN ALTERNATIVES →

What Is OpenVPN?

OpenVPN is an open source protocol that creates a secure tunnel for data traffic between a VPN client and server.

Think of it like a locked pipe between your computer and the internet. Nobody can see what’s inside.

Here’s the simple version:

OpenVPN uses Secure Sockets Layer/Transport Layer Sicherheit (SSL/TLS) to establish the VPN tunnel. It wraps your data in extra layers of protection. Then it sends that data through an encrypted path.

The OpenVPN protocol supports both TCP (Transmission Control Protocol) and UDP (User Datagram Protocol) for data transmission.

Unlike older VPN protocols like PPTP, OpenVPN is widely regarded as more secure. Its open-source nature allows anyone to inspect its code for problems.

OpenVPN is a VPN protocol that helps create safe and sturdy virtual private network connections. It works on Windows, macOS, Linux, Android, and iOS.

Wer hat OpenVPN entwickelt?

James Yonan started the OpenVPN open-source project in 2001. He released the first version in 2002.

The story: James wanted to create a tunneling protocol that was secure, free, and fast. He built it to work on standard TCP and UDP protocols.

Später, Francis Dinha co-founded OpenVPN Technologies (now OpenVPN, Inc.) to build enterprise products around the protocol.

Today, the OpenVPN company has:

• Over 60 million downloads worldwide
• Two main products: Access Server (self-hosted) and CloudConnexa (cloud-delivered)
• SOC 2 and HIPAA compliance

The company is based in Pleasanton, California.

Die wichtigsten Vorteile von OpenVPN

Here’s what you actually get when you use OpenVPN:

• Rock-Solid Security: OpenVPN uses the OpenSSL library for encryption. It supports AES-256 and other encryption algorithms. Your data stays safe even on public Wi-Fi.
• Werke Überall: OpenVPN is compatible with a wide range of Geräte and operating systems. Windows, Mac, Linux, Android, iOS — even routers running DD-WRT or Tomato.
• Full Transparency: OpenVPN’s open-source nature allows for constant scrutiny from a global community of developers. No hidden backdoors. No surprises.
• Firewall Bypass: OpenVPN is known for its ability to handle firewalls and other filtering hardware. It can traverse firewalls and NAT gateways that block other VPN protocols.
• Kostenlos nutzbar: The OpenVPN Community Edition is free. You can install OpenVPN on your own server and create VPN tunnels at zero cost.
• Flexible Setup: OpenVPN is flexible and configurable. You can set it up for Fernzugriff, site-to-site connections, or even IoT device security.
• Perfect Forward Secrecy: OpenVPN includes Perfect Forward Secrecy. Even if one encryption key gets stolen, your past data stays protected.

Best OpenVPN Features

Let’s look at what OpenVPN actually offers for VPN users and IT teams.

1. Sicherer Fernzugriff

This is the core of OpenVPN. It lets your team connect to the company network from anywhere.

The OpenVPN client creates a secure tunnel between the user’s device and your VPN server. All data traffic flows through this encrypted path.

I tested this with remote workers across three countries. The VPN connection stayed stable for hours. Authentication OpenVPN uses includes digital certificates and user credentials.

OpenVPN can scale from individual remote access to complex site-to-site connections for large organizations.

2. Sichere IoT-Kommunikation

Got smart devices on your network? OpenVPN protects them too.

IoT devices are easy targets for hackers. OpenVPN wraps data packets within additional layers to include routing information and apply security measures such as encryption.

I connected security cameras and smart sensors through OpenVPN tunnels. The data stayed encrypted end to end. No one could snoop on the traffic.

This is a huge deal for businesses with connected devices in the field.

3. Sicheren Zugriff auf SaaS-Anwendungen erstellen

Your team uses cloud apps every day. But are those connections safe?

OpenVPN routes your SaaS traffic through a secure tunnel. This protects your login details, files, and messages from your internet service provider and hackers.

I set this up for a client using Salesforce and Slack. Their data traffic was fully encrypted. Even on coffee shop Wi-Fi.

OpenVPN uses SSL/TLS to ensure data security and has access to the OpenSSL library for further customization of encryption protocols.

4. Standortvernetzung

Need to connect two offices? OpenVPN makes it simple.

Site-to-site VPN tunnels link private networks across locations. Your teams share files and apps like they’re in the same building.

OpenVPN can be set up to handle both IPv4 and IPv6 traffic. This gives you flexibility in network setups.

I connected two test offices. The speeds were solid. The connection never dropped during my 60-day test.

5. Zero-Trust-Zugriff erzwingen

Zero trust means “never trust, always verify.” OpenVPN supports this approach.

You can set rules about who connects, from where, and on which devices. OpenVPN uses various authentication methods. These include user credentials and digital certificates.

The public key infrastructure lets you manage encryption keys for every user. No one gets access without proof.

This is how most VPN providers handle enterprise security today.

6. DNS Security and Content Filtering

OpenVPN doesn’t just encrypt your traffic. It can also block bad websites.

DNS filtering stops your team from visiting malware sites. Content filtering blocks time-wasting pages.

I tested this with CloudConnexa. It blocked phishing sites right away. The HMAC firewall feature added an extra layer of protection to the VPN connection.

The hash message authentication code (HMAC) feature verifies every data packet. Fake packets get rejected sofort.

7. OpenVPN Access Server

Want to host your own VPN? The OpenVPN Access Server is your best bet.

It’s a self-hosted VPN server you install on your own hardware. You get a web dashboard to manage VPN clients and connections.

The OpenVPN GUI makes it easy to manage users. You control who gets internet access through your private network.

OpenVPN uses configuration files (.ovpn extension) to set up connections. These are simple Text files you can edit.

8. SaaS Protection

CloudConnexa takes the OpenVPN protocol and delivers it as a cloud VPN service.

No server to manage. No hardware to buy. Just sign up and connect.

It has 30+ global points of presence. Your OpenVPN connections stay fast no matter where your team works.

OpenVPN can be used with third-party applications, scripts, and plugins to enhance its functionality. This makes it a true OpenVPN compatible service for modern teams.

OpenVPN Pricing

Kostenloser Tarif: Yes — up to 3 concurrent connections with full features. OpenVPN free is real.

Kostenlose Testversion: 14-day trial on paid plans. No credit card needed.

Geld-zurück-Garantie: You can cancel anytime. Unused funds get credited to your account.

Is OpenVPN Worth the Price?

For what you get, OpenVPN is a steal. The free plan alone covers most small teams.

At $7/month per connection, the Growth plan is cheaper than most VPN services that offer less control.

You’ll save money if: You have a small IT team and want to self-host your VPN server instead of paying per-user fees to a VPN provider.

You might overpay if: You only need a simple consumer VPN for personal browsing. A VPN service like NordVPN would cost less.

Can You Trust OpenVPN?

Security matters. Here’s what you should know about the OpenVPN protocol:

Verschlüsselung: OpenVPN supports a variety of encryption algorithms, including AES-256 and Blowfish. It uses the OpenSSL library for all Kryptowährungen work. You can configure different encryption ciphers and key lengths.

Datenschutz: Since you can run your own OpenVPN server, you control the logs. No VPN provider sees your data. OpenVPN is part of the Secure Socket Tunneling protocol (SSL) family of VPNs.

Audits: OpenVPN’s code is open source. Anyone can audit it. A global community of developers reviews it daily. The company also holds SOC 2 and HIPAA certifications.

Company Location: Pleasanton, California, USA. Subject to US law, but since you can self-host, your data stays on your own servers.

My take: OpenVPN is one of the safest VPN protocols available. It’s been around since 2001. The open source code means thousands of eyes watch for problems. I trust it with my client data.

OpenVPN Pros and Cons

✅ What I Liked

❌ What Could Be Better

Is OpenVPN Right for You?

✅ OpenVPN is PERFECT for you if:

• You need secure connections for a business or team
• You want full control over your VPN server and encryption protocols
• You need a custom security protocol for your network
• You want an open source VPN protocol you can audit yourself

❌ Skip OpenVPN if:

• You just want to stream Netflix from another country
• You need the fastest speeds and don’t mind less flexibility
• You want a one-click VPN service with zero setup

My recommendation:

If you’re a business owner or IT admin, OpenVPN is the best choice for secure remote access. Use CloudConnexa if you want managed security. Use Access Server if you want total control.

For personal use, pick a VPN provider that runs OpenVPN under the hood. You get the security without the setup headache.

OpenVPN vs Alternatives

How does OpenVPN stack up? Here’s the competitive landscape:

Quick picks:

• Best overall VPN provider: NordVPN — fast speeds, easy apps, and strong security on all devices
• Best budget option: PureVPN — solid protection at just $2.14/month with global VPN servers
• Best for privacy: ProtonVPN — Swiss-based with a strict no-logs policy and open source apps
• Best for unlimited devices: Surfshark — one account covers all your mobile devices and computers

🎯 OpenVPN Alternatives

Looking for OpenVPN alternatives? Here are the top options:

• 🌟 NordVPN: The most popular VPN provider with 6,000+ VPN servers in 111 countries. Uses the OpenVPN protocol plus its own NordLynx.
• 🚀 ExpressVPN: ExpressVPN is recommended for OpenVPN due to its pre-configuration and high speeds. Great for users who want zero manual configuration.
• 💰 PureVPN: Affordable VPN service with OpenVPN support and servers in 78+ countries. Good for budget-minded VPN users.
• ⚡ Surfshark: Surfshark offers OpenVPN as a tunneling protocol in its VPN service. Unlimited device connections make it perfect for families.
• 🔒 ProtonVPN: Privacy-focused VPN with open source apps. Based in Switzerland with strong encryption protocols for your sensitive data.
• 👶 PrivadoVPN: Simple and beginner-friendly with a generous free tier. Good first step into virtual private networks.
• 🎨 CyberGhost: CyberGhost provides an easy-to-use interface for switching to OpenVPN. Best for streaming and casual browsing with 9,000+ servers.

⚔️ OpenVPN Compared

Here’s how OpenVPN stacks up against each competitor:

• OpenVPN vs. NordVPN: OpenVPN gives you full control. NordVPN gives you convenience. NordVPN uses the OpenVPN protocol under the hood.
• OpenVPN vs. ExpressVPN: ExpressVPN is faster and easier. OpenVPN is free and more configurable. Both offer strong secure connections.
• OpenVPN vs PureVPN: PureVPN is cheaper for consumers. OpenVPN wins for businesses that need their own VPN server setup.
• OpenVPN vs Surfshark: Surfshark wins on ease of use. OpenVPN wins on flexibility and being open source.
• OpenVPN vs. ProtonVPN: Both are open source. ProtonVPN is simpler. OpenVPN gives more control over encryption algorithms.
• OpenVPN vs PrivadoVPN: PrivadoVPN is plug-and-play. OpenVPN requires manual configuration but offers deeper security.
• OpenVPN vs CyberGhost: CyberGhost is best for streaming. OpenVPN is best for business VPN clients and network control.

My Experience with OpenVPN

Here’s what actually happened when I used OpenVPN:

The project: I set up OpenVPN servers for 3 Kleinunternehmen clients who needed secure remote access for their teams.

Zeitleiste: 60 days of daily use across all three networks.

Ergebnisse:

What surprised me: OpenVPN works on so many operating systems. I even got it running on an old router with DD-WRT firmware. That saved one client from buying new hardware.

What frustrated me: The initial install OpenVPN process took longer than expected. I had to troubleshoot the OpenVPN GUI on Windows. The client software on mobile devices was clunky at first.

Would I use it again? Yes. For business VPN connections, nothing beats the control you get. OpenVPN works exactly as promised once you get past the learning curve.

Private Internet Access (PIA) allows users to choose their level of encryption when using OpenVPN. That’s the kind of flexibility I love about this protocol.

Schlussbetrachtung

Get OpenVPN if: You want the most secure, transparent VPN protocol with full control over your secure tunnel and encryption.

Skip OpenVPN if: You want a plug-and-play VPN app with no setup required.

My verdict: After 60 days, I’m convinced. OpenVPN is one of the most reliable tunneling protocols out there. Yes, OpenVPN is slower than WireGuard. But for security and control, it’s still king.

In 2026, OpenVPN remains a preferred choice for its balance of security, flexibility, and compatibility.

OpenVPN was created in 2001 and is widely regarded as safe and reliable. That track record speaks for itself.

Rating: 4.3/5

Häufig gestellte Fragen

Ist OpenVPN kostenlos?

Yes. The OpenVPN Community Edition is completely free. You can download and install OpenVPN on your own server at no cost. The business products (Access Server and CloudConnexa) have a free tier for up to 3 connections. Paid plans start at $7/month per connection. Most VPN providers also include OpenVPN as a free VPN protocol option.

Is OpenVPN safe to use?

Yes. OpenVPN safe is not just a claim — it’s proven. OpenVPN is widely regarded as one of the most secure VPN protocols available. It uses AES-256 encryption and the OpenSSL library. The open source code lets security experts audit it regularly. OpenVPN also uses the HMAC firewall to verify data packets and supports tls auth for extra security.

Is OpenVPN better than NordVPN?

They serve different purposes. OpenVPN is a VPN protocol — the technology behind the connection. NordVPN is a VPN service that uses the OpenVPN protocol (among others). If you want to run your own OpenVPN server, OpenVPN is better. If you want a ready-to-use VPN app, NordVPN is easier. Many VPN providers use OpenVPN as their default tunneling protocol.

Wie funktioniert OpenVPN?

OpenVPN works by creating a secure tunnel between your device and a VPN server. It uses SSL/TLS to establish the connection. Then it encrypts all data traffic passing through that tunnel. You can choose between OpenVPN TCP (more reliable but slower) and OpenVPN UDP (faster but less reliable). The UDP user datagram protocol is best for streaming. The TCP transmission control protocol is best for browsing.

Can I use OpenVPN on my phone?

Yes. OpenVPN Connect is the official client software for mobile devices. It’s available on both Android and iOS. You can also use it on Windows, Mac, and Linux. OpenVPN can be set up on various devices. The app lets you import .ovpn configuration files and connect to any OpenVPN server in seconds.