51820
WireGuard
Low RiskUDP — Security & VPN
Port Overview
Port Number
51820
Service Name
WireGuard
Transport Protocol
UDP
Category
Security & VPN
Security Risk
Low
Port Range
Dynamic (49152-65535)
What is Port 51820?
WireGuard VPN. A modern, high-performance VPN protocol built into the Linux kernel. Uses state-of-the-art cryptography with a minimal attack surface.
UDP
Security & VPN
Commonly Used
Security Considerations
Port 51820 (WireGuard) is classified as low risk. This service uses encryption or has a minimal attack surface, making it relatively safe to expose.
Recommendation: Standard security practices apply. Keep software updated and monitor access.