Technical guides for every NetTools.tech tool — what it does, how it works, how to read the results and how to troubleshoot — plus articles for system administrators, DevOps engineers and security professionals.
Tool guideNetwork Diagnostics
What MTR (My Traceroute) measures, how to configure ICMP, UDP and TCP tests, how to read loss and latency per hop, and why loss at one router is usually not a problem.
Tool guideNetwork Diagnostics
What ping measures, how ICMP echo request and reply work, how to read RTT, TTL, loss and jitter, and why a host that ignores ping is not necessarily down.
Category guideNetwork Diagnostics
An overview of the NetTools.tech network diagnostics: ping, traceroute, MTR, speed test, jitter test, port check, port scanner and ASN lookup — what each measures and which to use for which problem.