ZyXEL Communications P-660HW-TX

P-660HW-Tx v2 Series Support Notes

(3) If you want to change the port for Web Server, you could press button

‘Modify’ on corresponding rule, then modify and apply it.

Default 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.

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