ZyXEL Communications P-2302HWDL-P1 Support Notes page 13

•
The following figure shows a configuration example to allow public access to an internal Web
server.
•
The following table lists some common service port numbers.
Service
FTP
Telnet
SMTP
DNS (Domain Name Server)
www-http (Web)
Port Number
21
23
25
53
80
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Prestige 2302 Support Notes
13