# nmap (V. 2.54BETA22) scan initiated Thu Apr 12 23:49:24 2001. Insufficient responses for TCP sequencing (2), OS detection may be less accurate Interesting ports on (202.104.22.41): (The 1531 ports scanned but not shown below are in state: closed) Port State Service 21/tcp open ftp 23/tcp open telnet 25/tcp open smtp 79/tcp open finger 80/tcp open http 98/tcp open linuxconf 110/tcp open pop-3 111/tcp open sunrpc 113/tcp open auth 513/tcp open login 514/tcp open shell Remote operating system guess: Linux 2.1.122 - 2.2.16 Uptime 1.040 days (since Wed Apr 11 22:58:54 2001) # Nmap run completed at Thu Apr 12 23:55:49 2001 -- 1 IP address (1 host up) scanned in 385 seconds