Ubuntu builds upon Debian's architecture to provide a Linux server and desktop operating system. Ubuntu prioritizes security, as the majority of its network ports are closed by default.

run your Passive DNS service, build your taylor-made EASM tool, collect and analyse network intelligence from your sensors, and much more! Uses Nmap, Masscan, Zeek, p0f, ProjectDiscovery tools, etc.

Linux comes in all shapes and sizes—which we call distros. The beauty of distros is that you get a specialized OS dedicated ...

sudo nmap -sS your.server.ip Use NMAP to scan for open ports if you're not sure which port the service is using. Update SSH Configuration: If the SSH service is running on a different port ...