What Is MTU and Why Does It Matter?
Learn what MTU means, why packet size affects performance, how VPN overhead and path MTU work, and how to recognize and troubleshoot common MTU problems.
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Page 2 of privacy, VPN, Linux, networking, and cybersecurity articles
Latest Articles
What Is DNS over TLS (DoT)?
DNS over TLS, or DoT, encrypts DNS lookups between your device and resolver. Learn how it works, what it protects, privacy limits, and how it compares with DoH.
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What Is DNS over HTTPS (DoH)?
DNS over HTTPS, or DoH, sends DNS lookups through HTTPS. Learn how it works, what it protects, its tradeoffs, privacy limits, and how it differs from DoT.
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What Is DNS?
Learn what DNS is, how domain names become IP addresses, and how resolvers, caching, records, privacy, and DNSSEC work together online.
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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.
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VPN vs SSH Tunnel
Compare VPNs and SSH tunnels: traffic coverage, encryption, routing, DNS, performance, and the best use cases for each secure connection.
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VPN vs Proxy
Compare VPNs and proxies: traffic coverage, encryption, DNS, privacy limits, performance, and the situations where each tool makes sense.
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What Is a Proxy Server?
Learn what a proxy server is, how HTTP and SOCKS proxies work, what they can see, and how a proxy differs from a VPN or reverse proxy.
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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.
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