Getting the name of the server software through netcat or curl or any other method, is really useful? I mean, OS fingerprinting is useful in order to tailor an attack. For example with regard to OS ...
Using nmap -O www.example.com I get: Running (JUST GUESSING): Microsoft Windows 7|2008 (90%) So I can say the target site is running Windows. Using xprobe2 -v www.example.com, I'm just astonished ...