P-660RU-Tx v 3 Series Support Note s
Defa ult port num bers for som e services
Service
Port Num ber
FTP
21
SSH
22
Telnet
23
SMTP
25
DNS (Dom ain Nam e Server)
53
www-http (Web)
80
POP3
110
HTTPs
443
PPTP
1723
VNC
5900
T.120
1503
H.232
1720
Configure a PPTP server be hind SUA
Introduction
PPTP is a tunneling protocol defined by the PPTP forum that allows PPP
packets to be encapsulated within Internet Pro tocol (IP) packets and
forwarded over an y IP ne twork, including the Internet itself.
In order to run the Windows 9 x PPTP client, you m ust be able to establish an IP
connection with a tunnel server such as the Windows NT Server 4 .0 Rem ote
Access Server.
Windows Dial-Up Networking uses the Internet standard Point-to -Point (PPP) to
provide a secure, optim ized m ultiple -protocol network connection o ver dial-up
telephone lines. All data sent over this connection can be encryp ted and
com pressed, and m ultiple network le vel protocols (TCP/IP, NetBEUI and
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All contents copyright © 2008 Zy XEL Communications Corporation.
Summary of Contents for P-660RU-Tx v3 SERIES
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