TryHackMe
Network Services 2 - More Services
This room is a direct sequel to the first Network Services room. It explores more common network services and their vulnerabilities you will likely find in the real world.
Network Services - Common Services
This room explores common Network Service vulnerabilities and misconfigurations on services such as SMB, Telnet and FTP - both explaining and exploiting.
Nmap Basics - Network Scanning
This room covers the most important tool a hacker can learn - Nmap. You will learn different types of scans, scripts and firewall evasion
Introductory Networking
This room covers the basics principles of networking – a key skill for aspiring hackers. It will cover things like the OSI Model, TCP/IP Model, and basic networking tools.