# nmap (V. 2.54BETA22) scan initiated Fri Apr 13 00:35:03 2001.
 
Insufficient responses for TCP sequencing (3), OS detection may be less accurate
Interesting ports on www.mba-sil.edu.pe (200.4.231.2):
(The 1534 ports scanned but not shown below are in state: closed)
Port       State       Service
21/tcp     open        ftp                     
25/tcp     open        smtp                    
80/tcp     open        http                    
135/tcp    open        loc-srv                 
139/tcp    open        netbios-ssn             
443/tcp    open        https                   
465/tcp    open        smtps                   
1031/tcp   open        iad2                    

Remote OS guesses: Windows NT4 / Win95 / Win98, Windows NT 4 SP3, Microsoft NT 4.0 Server SP5 + 2047 Hotfixes

# Nmap run completed at Fri Apr 13 00:38:18 2001 -- 1 IP address (1 host up) scanned in 195 seconds