Level Goal
The password for the next level can be retrieved by submitting the password of the current level to port 30000 on localhost.
Commands you may need to solve this level
ssh, telnet, nc, openssl, s_client, nmap
Helpful Reading Material
- How the Internet works in 5 minutes (YouTube) (Not completely accurate, but good enough for beginners)
- IP Addresses
- IP Address on Wikipedia
- Localhost on Wikipedia
- Ports
- Port (computer networking) on Wikipedia