What is OpenVPN?
The long-standing, heavily audited protocol that still has a place today.
By VPNGuide Editorial Team · Updated 20 September 2026
OpenVPN has been the default choice for well over a decade. It is slower than WireGuard but extremely well-tested, and its TCP mode can slip past restrictive networks that block other traffic.
Looking for a recommendation?
NordVPN currently leads our UK ranking with a score of 9.4 out of 10.