WireGuard Troubleshooting Guides

WireGuard errors can surface at the worst possible moments — during deployments, under peak traffic, or in the middle of critical operations. This collection of 2 troubleshooting guides covers the most common WireGuard issues encountered in network infrastructure, protocols, and connectivity. Each article walks through specific error messages with step-by-step diagnosis, root cause analysis, and verified solutions. Whether you're dealing with configuration problems, authentication failures, timeout errors, or unexpected behavior, these guides are designed to get you from error message to resolution as quickly as possible. Solutions are backed by official documentation and real-world production experience.

Error Quick Reference

Article	Description
Fixing 'WireGuard Connection Refused': A Comprehensive Troubleshooting Guide	Resolve WireGuard connection refused, high latency, and packet loss errors. Step-by-step fixes for blocked ports, MTU mismatch, and firewall misconfigurations.
WireGuard Connection Refused: Fix 'connection refused', High Latency, and Packet Loss	WireGuard connection refused? Fix port blocking, handshake failures, and packet loss with step-by-step commands for Linux, pfSense, and Docker.