Insufficient responses for TCP sequencing (3), OS detection may be less accurate
Interesting ports on captain.es.ncku.edu.tw (140.116.39.64):
(The 1528 ports scanned but not shown below are in state: closed)
Port       State       Service
13/tcp     filtered    daytime                 
21/tcp     open        ftp                     
53/tcp     open        domain                  
80/tcp     open        http                    
111/tcp    filtered    sunrpc                  
135/tcp    open        loc-srv                 
139/tcp    filtered    netbios-ssn             
443/tcp    open        https                   
445/tcp    open        microsoft-ds            
1025/tcp   open        listen                  
1026/tcp   open        nterm                   
1030/tcp   open        iad1                    
1032/tcp   open        iad3                    
1723/tcp   open        pptp                    

Remote OS guesses: Windows NT 5 Beta2 or Beta3, Windows Me or Windows 2000 RC1 through final release, MS Windows2000 Professional RC1/W2K Advance Server Beta3, Windows Millenium Edition v4.90.3000

# Nmap run completed at Fri Jun  1 06:23:48 2001 -- 1 IP address (1 host up) scanned in 352 seconds