1. ufw enable
  2.  
  3. Starting Nmap 6.25 ( http://nmap.org ) at 2013-07-09 09:46 W. Europe Daylight Time
  4. Nmap scan report for host.colocrossing.com (198.46.132.253)
  5. Host is up (0.00020s latency).
  6. All 1000 scanned ports on host.colocrossing.com (198.46.132.253) are filtered
  7. Nmap done: 1 IP address (1 host up) scanned in 4.17 seconds
  8.  
  9. ufw disable
  10.  
  11. Starting Nmap 6.25 ( http://nmap.org ) at 2013-07-09 09:47 W. Europe Daylight Time
  12. Nmap scan report for host.colocrossing.com (198.46.132.253)
  13. Host is up (0.15s latency).
  14. Not shown: 996 closed ports
  15. PORT STATE SERVICE
  16. 22/tcp open ssh
  17. 80/tcp open http
  18. 8080/tcp open http-proxy
  19. 8443/tcp open https-alt
  20. Nmap done: 1 IP address (1 host up) scanned in 1.61 seconds