Profile: Dan O'Connor
For those that do not know this, when you are learning to use nmap and would like a target that is on the internet and wont get your door knocked on.
You can use scanme.nmap.org.
You can http to it and it has a banner explaining also.
# nmap -A -T4 scanme.nmap.org Starting Nmap 5.21 ( http://nmap.org ) at 2010-10-26 04:39 UTC Nmap scan report for scanme.nmap.org (188.8.131.52) Host is up (0.039s latency). Not shown: 990 filtered ports PORT STATE SERVICE VERSION 21/tcp open ftp? 22/tcp open ssh OpenSSH 4.3 (protocol 2.0) | ssh-hostkey: 1024 60:ac:4d:51:b1:cd:85:09:12:16:92:76:1d:5d:27:6e (DSA) |_2048 2c:22:75:60:4b:c3:3b:18:a2:97:2c:96:7e:28:dc:dd (RSA) 25/tcp closed smtp 53/tcp open domain 70/tcp closed gopher 80/tcp open http Apache httpd 2.2.3 ((CentOS)) |_html-title: Go ahead and ScanMe! 113/tcp closed auth 554/tcp open rtsp? 7070/tcp open realserver? 31337/tcp closed Elite