Troubleshooting

Tagged LibreGuard articles

Troubleshooting Articles

All Networking Basics (15) Security (1)
CGNAT DNS HTTPS Internet Basics IP Address IPv4 IPv6 Latency MTU NAT Networking Packet Loss Performance Privacy Proxy Public WiFi Remote Access Security SSH TCP TLS Troubleshooting UDP VPN
Archive 2026 (15) 2025 (1)
Data packets travel between servers while several packets are lost in the middle of the path Networking Basics

What Causes Packet Loss?

Packet loss can cause lag, buffering, and failed transfers. Learn common causes, how loss differs from latency and jitter, and how to troubleshoot it safely.

By LibreGuard Team June 05, 2026 4 min read
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Several home networks pass through an ISP carrier-grade NAT service before sharing public internet addresses Networking Basics

What Is CGNAT?

Learn what carrier-grade NAT (CGNAT) is, why ISPs use it, how it affects port forwarding and gaming, and practical ways to identify it.

By LibreGuard Team May 02, 2026 6 min read
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Network packets travel along routes of different lengths and arrive after different delays Networking Basics

What Is Latency?

Learn what network latency is, how ping and jitter differ, what causes delay, and how to measure and reduce lag on home, mobile, and VPN connections.

By LibreGuard Team April 03, 2026 6 min read
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