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Edited by happygeek because: moved
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A short, practical primer to go with this thread (the original post is very broad): networking is the practice of connecting devices so they can exchange data. Key functions are physical transport, addressing (IP), local switching, inter‑network routing, name resolution (DNS/DHCP), and security controls. For the thread tags: a router forwards packets between networks (and often applies NAT), a firewall enforces access and filtering policies (stateful vs stateless), and a proxy intermediates application traffic (caching, filtering, forward vs reverse proxy).

Some quick, focused diagnostic steps that clarify what “networking” problem is being asked about — connectivity, name resolution, or policy (firewall/proxy) blockage:

  • Check physical/link status and device LEDs.
  • Verify addressing: ipconfig /all (Windows) or ip addr/ip route (Linux/macOS).
  • Ping the gateway, then a public IP (e.g., 8.8.8.8) to separate routing vs ISP issues.
  • Ping a domain name and use nslookup/dig to test DNS.
  • Use tracert/traceroute to find where packets stop.
  • Inspect firewall/proxy logs and test from another device to rule out host problems.

Example commands to run (paste results into the thread when asking for help):

# Windows
ipconfig /all
ping 192.168.1.1
ping 8.8.8.8
nslookup example.com
tracert 8.8.8.8

# Linux/macOS
ip addr
ip route
ping -c 4 8.8.8.8
dig example.com
traceroute 8.8.8.8

A note on the thread comments: and are right that background research helps, and ’s observation about vague one‑liners is common. Useful details to include in followups are device types (router model), OS, exact error messages, what was tried, and whether the issue is per‑device or network‑wide. Changing firewall/router settings should be done with a backup of the configuration and a way to restore access if something fails.

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Member Avatar for sirlink99

Next time do some research before you post a question. We take time to write down thousands of lines of basic information when it is available for you. If you have a more specific question about networking then start a thread, but make sure you do some research before posting.

Take a look at this

Member Avatar for rubberman

Remember, Google and Wikipedia are your friends!

Member Avatar for caperjack

there has got be more to these one time post with with a dumb/vauge questions ,must be something we are missing something they are try to attach and it not woring or something like that ,jsut so many of them the past few months ,maybe some 3rd world country just got internet ,i don't know ,weird

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