Filter
Top Products
P2302R-P1 Support Notes
All contents Copyright 2007 ZyXEL Communications Corporation.
14
Port numbers for some services
Service
Port Number
FTP
21
Telnet
23
SMTP
25
DNS (Domain Name Server)
53
www-http (Web)
80
Configure a PPTP server Behind SUA
Introduction
PPTP is a tunneling protocol defined by the PPTP forum that allows PPP packets to be encapsulated within
Internet Protocol (IP) packets and forwarded over any IP network, including the Internet itself.