OpenVPN
OpenVPN is an open-source virtual private network (VPN) software that creates secure point-to-point or site-to-site connections using SSL/TLS protocols for encryption and authentication. It allows users to establish encrypted tunnels over the internet, enabling secure remote access to private networks, bypassing geo-restrictions, and protecting data from eavesdropping. Widely used by individuals and organizations, it supports various platforms including Windows, macOS, Linux, and mobile devices.
Developers should learn OpenVPN when building or managing secure remote access solutions, such as for telecommuting employees, connecting cloud services to on-premises infrastructure, or implementing site-to-site VPNs for distributed systems. It's particularly valuable in scenarios requiring strong encryption, cross-platform compatibility, and customization through configuration files, making it a go-to tool for network security and privacy-focused applications.