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The Advantages and Disadvantages of OpenVPN

OpenVPN professes to be the world’s most trusted Virtual Private Network (VPN), and certainly delivers on that claim. Optimizing open source software, this VPN delivers secure point-to-point or site-to-site connections in bridged or routed configurations.

OpenVPN utilizes custom security protocols that take advantage of Secure Socket Layer (SSL) for added protection online. Many VPN providers on the market today use OpenVPN as a protocol and there are plenty of reasons for it, many of which will be covered in this article.

What is OpenVPN?

This protocol is a well-received, popular VPN implementation that is extremely stable and has excellent security. It is published under GNU General Public License.

OpenVPN uses different protocols and methods to ensure users’ communications are secure and private, including HMAC authentication, OpenSSL, and shared keys. OpenVPN also supports many cryptographic algorithms, including AES, 3DES, and Blowfish.

Advantages

When OpenVPN stops working, the network pauses so that a repair or reconfiguration can occur. This ensures that no corruption, miscommunication, or data loss takes place. This is also another layer of security that protects users.

1.Strong Security
2. Great Community Support
3. Highly Configurable
4.Incredibly secure
5. Can easily bypass firewalls
6. High 1024-bit encryption levels
7. Supports perfect forward secrecy
8. Readily vetted and open source
9. Supports various cryptographic algorithms
10. Well supported and versatile

Disadvantages

1. High Overheads
2. Proxy Problems
3. Complex
4. Other disadvantages include
5. Needs third party software for setup
6. Lengthy and complex setup
7. Difficult to configure
8. Blocked by some proxy servers

Resources:

https://openvpn.net/community-resources/reference-manual-for-openvpn-2-4/
https://www.wizcase.com/blog/openvpn-the-pros-and-cons
https://openvpn.net/advantages/
https://hub.packtpub.com/advantages-and-history-openvpn/

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