•
For example (Configuring an internal Web server for outside access) :
•
Port numbers for some services
Service
FTP
Telnet
SMTP
DNS (Domain Name Server)
www-http (Web)
Port Number
21
23
25
53
80
All contents Copyright (c) 2007 ZyXEL Communications Corporation.
Prestige 2301R/RL-P1C Support Notes
13