4.10.1 DNS, IP addresses & ports
Every entry filed under DNS, IP addresses & ports and its subtopics.
Level
- Beginner 8
- Intermediate 0
- Advanced 0
What kind of help
- Guided project 0
- Explains an idea 4
- Step by step 1
- Cheat sheet 2
- Fixes an error 1
What do these mean?
- Beginner
- You are new to this topic.
- Intermediate
- You use it, and want to get better.
- Advanced
- You know it well and need the details.
- Guided project
- Build something small from start to finish, step by step.
- Explains an idea
- Plain words on how something works and why.
- Step by step
- Numbered steps to get one task done.
- Cheat sheet
- Commands and options in a table, to look up fast.
- Fixes an error
- An error message, what it means, and how to solve it.
2 entries
- 0449 Nmap: the network mapper for inventorying your own network Nmap is the long-standing open source tool for discovering hosts, open ports, services and operating systems on a network you administer, used… Linux, macOS, Windows Repo DNS, IP addresses & ports · Security testing & CTF 15 Oct 2026
- 0351 Pi-hole: network-wide ad blocking with your own DNS server A DNS server for your home or office network that answers queries for known advertising and tracking domains with nothing, so every… Linux Repo DNS, IP addresses & ports · VPN & tunnels 15 Oct 2026