Realizar un escaneo de puertos básico (nmap -F lindsey.edu)
Nmap scan report for lindsey.edu (67.141.61.89)
Host is up (0.073s latency).
rDNS record for 67.141.61.89: h89.61.141.67.static.ip.windstream.net
Not shown: 76 filtered tcp ports (no-response)
PORT STATE SERVICE
7/tcp open echo
9/tcp open discard
79/tcp open finger
80/tcp open http
119/tcp open nntp
389/tcp open ldap
443/tcp open https
465/tcp open smtps
543/tcp open klogin
548/tcp open afp
1027/tcp open IIS
1029/tcp open ms-lsa
3128/tcp open squid-http
4899/tcp open radmin
5432/tcp open postgresql
8008/tcp open http
8009/tcp open ajp13
8081/tcp open blackice-icecap
9100/tcp open jetdirect
32768/tcp open filenet-tms
49152/tcp open unknown
49155/tcp open unknown
49156/tcp open unknown
49157/tcp open unknown
Nmap done: 1 IP address (1 host up) scanned in 6.81 seconds