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ZyXEL Communications Prestige 128IMH User Manual

Page 122

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Prestige 128IMH ISDN Modem/ Router/Hub

8-14

Dial-In Server Configuration

Services

Port Number

FTP (File Transfer Protocol)

21

Telnet

23

SMTP (Simple Mail Transfer Protocol)

25

DNS(Domain Name System)

53

HTTP (Hyper Text Transfer protocol or WWW, Web) 80

PPTP (Point-to-Point Tunneling Protocol)

1723