In the digital age, where online privacy and security have become paramount concerns, VPNs (Virtual Private Networks) play a crucial role in safeguarding your online activities. VPNs employ various tunneling techniques to ensure that your data remains secure and your identity anonymous while traversing the vast expanse of the internet. This article delves deep into the intricate world of VPN tunneling techniques, shedding light on the science that powers these essential tools for online protection.

Tunneling: The Backbone of VPNs

At the heart of every VPN lies the concept of tunneling. Tunneling is the process of encapsulating your data packets within another set of packets to ensure that they can travel securely across the internet. This encapsulation creates a secure “tunnel” through which your data can pass without being intercepted by prying eyes. The VPN tunneling techniques determine how this encapsulation is achieved and the level of security it provides.

OpenVPN: The Prototypical VPN Protocol

OpenVPN, a stalwart in the VPN world, is more than just a VPN service; it’s a versatile and highly secure VPN protocol. OpenVPN distinguishes itself by its dedication to security and flexibility. Unlike some other VPN services, OpenVPN doesn’t impose limits on the number of devices you can connect simultaneously.

Security Features of OpenVPN:

Encryption: OpenVPN employs AES 256-bit encryption, a military-grade standard, to ensure that your data remains impervious to cyber threats.

TCP Port: OpenVPN operates over a TCP port, providing a stable and reliable connection that’s less likely to be blocked by firewalls.

Security Extras: OpenVPN goes the extra mile by offering features like IP and DNS Leak Protection, DNS fallback, a network kill switch, IPv6 preferences, and auto-connect.

However, it’s important to note that OpenVPN is primarily a protocol rather than a complete VPN service. Users need to set up their servers or rely on third-party VPN providers for server access. Additionally, OpenVPN’s device compatibility is limited to PCs and mobile devices.

ExpressVPN: The Comprehensive VPN Solution

ExpressVPN, on the other hand, is a full-fledged VPN service renowned for its comprehensive protection and user-friendly approach. It caters to a wide array of devices, making it a go-to choice for those seeking versatility.

ExpressVPN’s Strengths:

Device Compatibility: ExpressVPN offers apps for various platforms, including Windows, macOS, and Chromebook PCs, along with mobile apps for iOS and Android devices. It also supports devices like routers, gaming consoles, and smart TVs.

Lightway Protocol: ExpressVPN introduces its proprietary Lightway protocol for blazingly fast and secure connections, especially when using UDP.

Server Network: ExpressVPN boasts a vast network of over 3,000 specialized servers in 94 countries, each equipped with a private DNS for enhanced protection.

Privacy-Friendly Jurisdiction: ExpressVPN operates from a privacy-friendly jurisdiction, bolstering its no-log policy and security practices.

ExpressVPN’s emphasis on speed and compatibility makes it a prime choice for streaming, torrenting, and gaming enthusiasts. It excels at reliably unblocking popular streaming platforms and provides high-speed torrenting with P2P-friendly servers. Additionally, it offers low pings and consistent performance for gaming.

Comparing OpenVPN and ExpressVPN

To gain a comprehensive understanding of these VPN solutions, it’s crucial to check OpenVPN and ExpressVPN tests and review. Such comparisons help users make informed decisions based on their specific needs and preferences.

Usability Matters

When it comes to usability, OpenVPN can be somewhat challenging for beginners. Manual configuration is required, which entails downloading, installing, and configuring client software. This process can be daunting for newcomers who seek a more straightforward experience.

In contrast, ExpressVPN offers a user-friendly experience. Users can quickly select a plan, make a payment, download the app, sign in, and start using the service. ExpressVPN’s apps are intuitive and easy to navigate, making it a suitable choice for both novice and experienced users.

Secure Encryption: A Common Ground

Both OpenVPN and ExpressVPN prioritize data security and employ AES 256-bit encryption. This level of encryption is considered highly secure, rendering it nearly impossible for anyone to breach the encryption and access your data.

Server Network and Distribution

OpenVPN, as a protocol, does not have its own servers. Users must obtain servers from the OpenVPN community or third-party VPN providers that support the OpenVPN protocol.

In contrast, ExpressVPN boasts a large network of highly specialized servers in numerous countries. This extensive server network ensures optimal performance and reliability. Each ExpressVPN server is RAM-only based, providing an additional layer of security.

Streaming, Peer-to-Peer File Sharing, and Online Gaming

OpenVPN’s ability to unblock streaming sites depends on the specific servers users select, making its performance in this area somewhat inconsistent. While it can support torrenting and P2P sharing, it also relies on server selection for reliable performance. Gamers may find OpenVPN less suitable due to potentially slower speeds.

ExpressVPN shines in the realm of streaming, consistently unblocking popular platforms like Netflix, Hulu, Apple TV, and more. It also offers high-speed torrenting with P2P-friendly servers, making it an excellent choice for file-sharing enthusiasts. Additionally, ExpressVPN caters to gamers by providing low pings and reliable performance.

Customer Support: Multichannel Assistance

Both OpenVPN and ExpressVPN offer multichannel customer support to assist users in case of any issues or queries. They provide 24/7 live chat support for instant assistance, along with comprehensive guides, tutorials, and FAQ sections for additional support. Users can also benefit from an email ticketing system for more complex matters.

Subscription Options, Costs, Trial Periods

OpenVPN primarily operates as an open-source platform, offering enterprise products as paid plans, such as Access Server and OpenVPN Cloud. Pricing and availability may vary depending on the chosen service or provider.

ExpressVPN, on the other hand, offers a range of plans with different pricing tiers. While there’s no free version or free trial, ExpressVPN offers a 30-day money-back guarantee for users to test the service risk-free. Payment options include credit cards, PayPal, and even anonymous payments with Bitcoin.


In the intricate world of VPN tunneling techniques, OpenVPN and ExpressVPN stand as prominent contenders, each offering unique strengths and capabilities. Understanding the science behind these tunneling methods is essential for users seeking to protect their online privacy and security. Whether you prioritize security, versatility, speed, or ease of use, both OpenVPN and ExpressVPN have their merits and cater to diverse user preferences. By exploring their features and comparing their performance, you can make an informed decision to select the VPN that best suits your needs in the digital realm.