Network Security

VPN Protocols Compared

7 min read

Choosing the right VPN protocol impacts your security, speed, and compatibility. Here's a comprehensive comparison of modern VPN protocols.

Protocol Comparison

ProtocolSecuritySpeedBest For
WireGuardExcellentFastestModern deployments
OpenVPNExcellentGoodCross-platform
IPSec/IKEv2ExcellentGoodMobile, enterprise
L2TP/IPSecGoodModerateLegacy systems
PPTPBrokenFastDO NOT USE

WireGuard

Modern, minimal codebase (~4,000 lines vs 100,000+ for OpenVPN). Uses state-of-the-art cryptography.

# WireGuard server config
[Interface]
PrivateKey = SERVER_PRIVATE_KEY
Address = 10.0.0.1/24
ListenPort = 51820

[Peer]
PublicKey = CLIENT_PUBLIC_KEY
AllowedIPs = 10.0.0.2/32

OpenVPN

Battle-tested, highly configurable. Works over UDP or TCP, can traverse most firewalls.

IPSec/IKEv2

Native support on iOS, Windows, macOS. Excellent for mobile with MOBIKE for seamless network switching.

Recommendation

Use WireGuard for new deployments. Use OpenVPN if you need maximum compatibility or complex configurations.

December 2024