ports.txt

多线程通信

tcpmux  1  TCP   
echo  7  UDP   
echo  7  TCP   
systat  11  TCP   
netstat  15  TCP   
ftp-data  20  TCP  File Transfer Protocol (data)  
ftp  21  TCP  File Transfer Protocol  
smtp  25  TCP  Simple Mail Transfer Protocol  
time  37  TCP  Time Server  
time  37  UDP  Time Server  
name  42  UDP  Name Server  
whois  43  TCP  nicname  
domain  53  UDP   
domain  53  TCP   
tftp  69  UDP   
rje  77  TCP   
finger  79  TCP   
link  87  TCP  ttylink  
supdup  95  TCP   
hostname  101  TCP  hostname  
pop-2  109  TCP  Post Office Protocol  
uucp-path  117  TCP   
nntp  119  TCP  Network News Transfer Protocol  
ntp  123  TCP  Network Time Protocol