ZyXEL Communications P-2302HW User Manual

 

All contents copyright (c) 2005 ZyXEL Communications Corporation.   

13

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The following figure shows a configuration example to allow public access to an internal Web 

server. 

 

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The following table lists some common service port numbers. 

 

Service 

Port Number 

FTP 21 

Telnet 23 

SMTP 25 

DNS (Domain Name Server) 

53 

www-http (Web) 

80