ZyXEL P-660HN-T1A Support Guide - Page 48

Service, Port Number, Con a PPTP server behind SUA

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P-660HN Series Support Notes Service FTP Telnet SMTP DNS (Domain Name Server) www-http (Web) Port Number 21 23 25 53 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. In order to run the Windows 9x PPTP client, you must be able to establish an IP connection with a tunnel server such as the Windows NT Server 4.0 Remote Access Server. Windows Dial-Up Networking uses the Internet standard Point-to-Point (PPP) to provide a secure, optimized multiple-protocol network connection over dial-up telephone lines. All data sent over this connection can be encrypted and compressed, and multiple network level protocols (TCP/IP, NetBEUI and IPX) can be run correctly. Windows NT Domain Login level security is preserved even across the Internet. 48 All contents copyright © 2010 ZyXEL Communications Corporation.

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P-660HN Series Support Notes
48
All contents copyright © 2010 ZyXEL Communications Corporation.
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.
In order to run the Windows 9x PPTP client, you must be able to establish an
IP connection with a tunnel server such as the Windows NT Server 4.0
Remote Access Server.
Windows Dial-Up Networking uses the Internet standard Point-to-Point (PPP)
to provide a secure, optimized multiple-protocol network connection over
dial-up telephone lines. All data sent over this connection can be encrypted
and compressed, and multiple network level protocols (TCP/IP, NetBEUI and
IPX) can be run correctly. Windows NT Domain Login level security is
preserved even across the Internet.